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Test your basic knowledge |
Clinical Surgery
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Subjects
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health-sciences
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surgery
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the surgical treatment of a popliteal aneurysm?
Mnemonic : L-SHAPE - Lymph node/Lipoma of the cord - Sapheno-varix/Skin lesions(sebaceous cyst/lipoma -etc) - Hernia - inguinal or femoral - Aneurysmal dilatation of the femoral artery - Psoas abscess or bursa - Ectopic/undescended testes
These can be divided into large and small vessel arterial disease: Large vessel - atherosclerosis and thrombangiitis obliterans - Small vessel - Diabetes Mellitus - Polyarteritis nodosa and rheumatoid arthritis
The aneurysm is surgically repaired by either an excision bypass -where the popliteal artery is ligated above and below the diseased segment and a graft interposed - or a simple resection and anastamoses without the use of a graft - Acute ischemia ca
A skin graft involves the transfer of skin from a donor site to a recipient site independent of a blood supply. The graft 'takes' by acquiring a blood supply from a healthy donor bed. Skin grafts may either be full thickness or partial thickness - bu
2. What are the indications of mastectomy?
Patient preference - Clinical evidence of multifocal/multicentric disease - Large lump is small breast tissue - this depends of the size of the breast but often defined as a lump more than 4cm - Large area ( more than 4cm) ductal carcinoma in situ -
Subtotal colectomy with ileostomy plus or minus mucous fistula formation in acute severe colitis - Proctocolectomy and permanent ileostomy when the patient chooses or if patient not suitable for a restorative procedure - Restorative proctocolectomy W
Sturge-Weber syndrome is the association of a facial port-wine stain with a corresponding haemangioma in the brain - leading to contralateral focal fits.
Tumours raised above the skin : excision with 0.5cm margin(maximum) - Tumours not raised above the skin - Wider margin of excision - particularly if at inner canthus of eye -nasolabial fold and ear. A frozen section may be necessary to ensure adequat
3. How would you treat solar keratoses?
Males represent 1% of all breast cancers. Features that would be suspicious would be: Older age - Unilateral gynaecomastia - Firm or hard nodules within the breast tissue - Remember to examine the axillary and supraclavicular fossae for lymphadenopat
Clinical diagnosis if at least two or the following triad is present: Keratoconjunctivitis sicca(dry eyes) - Xerostomia(dry mouth) - Associated connective tissue disorders such as rheumatoid arthritis(50% of cases) - scleroderma -SLE -Polymyositis or
Unhealthy -necrotic and infected tissue - Irradiated tissue - Exposed cortical bone without periosteum - Tendon without peritendon - Cartilage without perichondrium
Non-surgical : cryotherapy - topical application of 5-fluorouracil - retinoic acid - Surgical : Shaving of affected skin
4. What is Frey's syndrome?
It is known also as auriculotemporal syndrome and it brings about increased sweating of the facial skin when eating - due to reinnervation of the divided sympathetic nerves to the facial skin by fibres of the secretomotor branch of the auriculotempor
Gumma of tertiary syphillis has a typical punched-out ulcer - over the anterior surface of the lower leg and has a yellow coloured 'wash leather' base. - Scalloped border
If the vessels are normal in calibre - the clinical features may be caused by relatively overactive alpha receptors in the wall - leading to abnormal smooth muscle contraction or changes in elasticity
Cardiac disease - hypertension -myocardial infarction -ischaemia -mitral valve disease - cardiomyopathy -endocarditis - Respiratory disease - Pneumonia - lung cancer - sarcoidosis - Other: Hypothyroidism and idiopathic ( lone AF)
5. What is the treatment of a chemodectoma?
Surgical excision with preoperative embolizatoin if the tumour is large - Ultrasonic surgical dissection may also be used - Radiotherapy is used for patients unfit for surgery or for large tumours
Necrotizing vasculitis - Purpuric -haemorrhagic bullae
Third cranial nerve palsy - complete ptosis - Horner's syndrome - partial ptosis - Syphillis
Hyperthyroidism - Recurrent - Hypothyroidism - Hypertrophic scarring
6. What is a cavernous haemangioma?
Bright-red raised strawberry-like lesion - Present from birth - but 60% undergo spontaneous resolution by the age of 3 years - Only treated if obscuring a visual field or spontaneous resolution not occurring.
Peripheral neuropathy has several effects: Slowly progressive sensory loss - with numbness and tingling of the feet and sometimes also hands. The sensory loss is often glove-and-stocking in distribution and may also be associated with motor impairmen
Mnemonic : No POMP - No opthalmic features are seen - Progression of simple diffuse goitre to nodular enlargement - Overactivity in parts of an MNG may lead to mild hyperthyroidism(Plummer's syndrome) - Middle-aged women - Positive family history
Mnemonic : L-SHAPE - Lymph node/Lipoma of the cord - Sapheno-varix/Skin lesions(sebaceous cyst/lipoma -etc) - Hernia - inguinal or femoral - Aneurysmal dilatation of the femoral artery - Psoas abscess or bursa - Ectopic/undescended testes
7. What are the 'transudate' causes of a pleural effusion?
Cardiac failure - Metabolic disorders leading to hypoalbuminaemia such as Cirrhosis and Nephrotic syndrome
Often surgeons place two drains - one in the axilla and one at the site of surgery within the breast tissue - The drains are usually left for 3 to 5 days or until the drainage volume is less than 50mL in 1 day. - Patients can safely be sent home with
Tumours raised above the skin : excision with 0.5cm margin(maximum) - Tumours not raised above the skin - Wider margin of excision - particularly if at inner canthus of eye -nasolabial fold and ear. A frozen section may be necessary to ensure adequat
Excision of a single lobe of the lung
8. What are the possible surgical techniques in the surgical treatment of a femoral hernia?
Low approach - Lockwood - Transinguinal repair - Lotheissen - High approach - McEvedy
Similar to those in the right iliac fossa except for the bowel where a mass in the Left iliac fossa could indicate: Diverticular mass Which is often tender - Carcinoma of the colon - Faecal mass
Calcification of the walls of the vessel preserves the pulses until late in the natural history of disease - and prevent the sphygmomanometer from compressing the vessels. This tends to lead to an abnormally(and reassuringly) high ankle brachial pres
Lead shields to protect the eyes and gonads - Dose-fractionation - Prior chemotherapy - Regional hypothermia - Radiolabelled antibodies
9. What are the causes of massive splenomegaly?
Within the lumen: Foreign body - oesophageal web - Plummer-Vinson syndrome - In the wall : Carcinoma of the oesophagus -oesophagitis -barrett's oesophagus - benign oesophageal stricture and post-radiation or chemical strictures - Outside the wall: re
Hyperthyroidism - Recurrent - Hypothyroidism - Hypertrophic scarring
SPRUE - Site of enlargement - from the left costal margin towards the umbilicus - Percussion note - dull - Respiration movement - it descends - Unable to get above it or ballot it(differentiating it from the kidney) - Edge - a notch may be palpable o
Myelofibrosis - Chronic Myeloid Leukaemia - Malaria - Tropical splenomegaly - Kala-azar(visceral leishmaniasis)
10. What is the aetiology of enterocutaneous fistulae?
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11. What are the main aetiologies in diffuse enlargement of the thryoid?
Infection - acute and chronic otitis media - herpes zoster(ramsay hunt syndrome) - Idiopathic - Bell's Palsy - Trauma - surgical -accidental - e.g basal skull fracture - Tumour - paraganglioma - squamous cell carcinoma of external or middle ear - met
Multinodular goitre - Toxic - Simple colloid goitre - Thyroiditis - Neoplasia
CHIASMA - Congestive : portal hypertension - hepatic vein obstruction - Haematological : reticuloses - Infection : Viral - bacterial - protozoal - Amyloid - Storage disorders : Gaucher's disease - Masses : primary/secondary neoplasia - Autoimmune : F
The protein content of a sample of effusion fluid is measured and the classification depends on this value:Transudate is equal to a protein value of less than 30g/L - Exudate is equal to a protein value of more than 30g/L
12. What are the main features of splenomegaly in the clinical examination?
Presence of multiple neurofibromas in a patient - in combination with other dermatological manifestations(six cafe-au-lait psots) - It is an autosomal dominant condition with two types: 1 and 2.
Thyroidectomy
SPRUE - Site of enlargement - from the left costal margin towards the umbilicus - Percussion note - dull - Respiration movement - it descends - Unable to get above it or ballot it(differentiating it from the kidney) - Edge - a notch may be palpable o
Necrotizing vasculitis - Purpuric -haemorrhagic bullae
13. What are telangiectasias?
An aneurysm is an abnormal dilatation of a blood vessel - A true aneurysm involves all layers of the arterial wall - A false aneurysm follows a partial laceration of the vessel wall causing blood to leak out of the vessel into the surrounding tissues
Primary disease occurring in isolation
True cysts with a complete smooth wall are very rare - Most are composite lesions with colloid degeneration - necrosis or haemorrhage in benign or malignant tumours - Only benign if completely abolished by aspiration - Cytology can be false-negative
Dilatation of normal capillaries - Can be secondary to skin irradiation - Can be part of hereditary haemorrhagic telangiectasia
14. What is jaundice?
Jaundice is yellow discolouration of the skin and mucous membranes caused by the accumulation of bile pigments.
Defined as portal vein pressure of more than 10mmHg(normal 5-10). Portal blood flow through the liver is greatly reduced or even reversed in the most severe cases
Rapid growth and pain(on history) - Hyperemic hot skin - Hard consistency - Fixed to skin and underlying muscle - Irregular surface or ill-defined edge - Facial nerve involvement
Skin and soft tissues such as a sebaceous cyst -lipoma or sarcoma - Bowel - ca caecum - crohns mass in terminal ileum - TB terminal ileum - appendicular mass or abscess - Gynaecological organs - ovarian tumours or fibroid uterus - Male Reproductive S
15. What systems are tackled when taking into consideration a thyroid history?
General - Thermoregulatory - Dermatological - Musculoskeletal - Gastrointestinal - Cardiovascular - Gynaecological - Psychiatric - Neurological
A skin graft involves the transfer of skin from a donor site to a recipient site independent of a blood supply. The graft 'takes' by acquiring a blood supply from a healthy donor bed. Skin grafts may either be full thickness or partial thickness - bu
Commonest in children and young adults(P for Paediatric)
Thrombosis during or just after haemodialysis - which may be due to relative hypotension and damage to the intima of the vein - Venous hypertension in the hand causes swelling and ischemia of the fingertips. This should be avoided by the ligation of
16. What are the features of lentigo maligna melanoma?
Ultrasound will show: Presence of underlying liver disease - Degree of dilatation of the common bile duct(>8mm is abnormal) - Presence of gall stones - Presence of lymphadenopathy or a pancreatic mass - CT Scan - ERCP - MRCP
Causes can be divided into pathology within and outside the SVC. Within the SVC obstruction tends to be as a consequence of thrombosis within intravenous jugular or subclavian lines(CPV Lines) - especially when hyperosmolar solutions are infused for
Arises in a lentigo maligna - Occurs most often on the face or dorsum of the hands and forearms - Underlying lesion is flat and brown-to-black in colour with an irregular outline - Malignant area in the lesion is usually thicker - and darker in colou
50%
17. What is the surgical treatment of venous ulcers?
Congenital : Cystic disease - horseshoe kidney - hypertrophic single kidney - Acquired : Diseases specific to the kidney such as solitary cysts - tumours - hydronephrosis - pyonephrosis - perinephric abscess and renal vein thrombosis and diseases as
The reason for repairing abdominal aortic aneurysm is to avoid complications - The following aneurysms should be repaired: Symptomatic aneurysms(back pain - tenderness over the aneurysm on palpation -distal embolic events - ruptured/leaked aneurysms)
Peripheral neuropathy has several effects: Slowly progressive sensory loss - with numbness and tingling of the feet and sometimes also hands. The sensory loss is often glove-and-stocking in distribution and may also be associated with motor impairmen
If the ulcer fails to heal - careful consideration should be given to excluding other causes such as malignant Marjolin ulcer and the area may need to be biopsied - Otherwise a split skin graft should be considered with excision of the dead skin and
18. What surgical options are available in the management of cervical lymphadenopathy?
Wounds associated with - Infection - Trauma - Burns - Tension especially over the sternum such as after CABG - Wounds on certain areas of the body
Open lymph node excision biopsy - Block dissection of the neck - Radical Neck Dissection
Characteristic cold-induced changes associated with vasospasm
Neuropathic - 45 to 60% of ulcers - Ischaemic due to peripheral occlusive arterial disaese - 10% of ulcers - Mixed neuroischaemic - 25-45% of ulcers
19. How should one examine a lump or swelling?
Look - Feel - Press - Move - Listen - Transilluminate and Examine Surrounding Areas.
A carbuncle is an extensive infection of hair follicles by the same organism with involvement of adjacent follicles and development of draining sinuses. It is associated with diabetes and is treated with a combination of systemic antibiotics and surg
Barium swallow Which is usually diagnostic - Rigid endoscopy if neoplasia suspected
The incompetent vein is at or above the level of the tourniquet
20. What is an incisional hernia?
A keratoacanthoma is a benign overgrowth of hair follicle cells that produces a central plug of keratin. It is rapidly growing - forming within 6 weeks and regressing after 6 weeks - leaving a depressed scar. Clinically and cytologically they may loo
Classic Kaposi's sarcoma - AIDS-associated Kaposi's sarcoma - Endemic(central African) variety - Transplantation-associated Kaposi's sarcoma
Arising inside the parotid gland - Arising outside the parotid gland
Extrusion of peritoneum and abdominal contents through a weak scar of accidental wound on the abdominal wall - Represents a partial wound dehiscence where the skin remains intact
21. It is know that the pulses are preserved in the diabetic - why is this?
Arises in a lentigo maligna - Occurs most often on the face or dorsum of the hands and forearms - Underlying lesion is flat and brown-to-black in colour with an irregular outline - Malignant area in the lesion is usually thicker - and darker in colou
Calcification of the walls of the vessel preserves the pulses until late in the natural history of disease - and prevent the sphygmomanometer from compressing the vessels. This tends to lead to an abnormally(and reassuringly) high ankle brachial pres
Tumour - parotid gland malignancy - Trauma - surgical - accidental e.g facial lacerations
Hyperkeratosis - Acanthosis - Hyperplasia of variably pigmented basaloid cells
22. What are the causes of atrial fibrillation?
Cardiac disease - hypertension -myocardial infarction -ischaemia -mitral valve disease - cardiomyopathy -endocarditis - Respiratory disease - Pneumonia - lung cancer - sarcoidosis - Other: Hypothyroidism and idiopathic ( lone AF)
Remove goitrogens from diet(e.g cabbage) - Thyroxine 0.1/0.3 mg per day - If thyrotoxicosis treat as in Graves' disease - Aspiration of cysts with cytology to exclude malignancy - Radioiodine for elderly patients - particularly those unfit for surger
0.5 to 0.8
Cardiac and respiratory disease should be controlled first - Other risk-factors should be optimized - Preoperative weight loss should be encourage
23. How would you treat a pyogenic granuloma?
Psychological and social implications - Haematoma and wound infection - including gas gangrene - Deep vein thrombosis and pulmonary embolus - Phantom limb pain - due to the sensory cortex 'believing' the limb is still present - Skin necrosis
Non-surgical : regression is uncommon - except those arising in pregnancy and so they are best treated surgically - though occassionally a silver nitrate stick can be attempted - Surgical : curettage with diathermy of the base or complete excision b
Surgical treatment is superficial parotidectomy(if superfical lobe of gland only involved) or total parotidectomy with preservation of the facial nerve(if deep lobe of gland or both lobes involved)
The pressure cuff is inflated over the upper arm and the systolic pressure measured at the brachial artery using a Doppler probe - The cuff is then placed over the calf. - When the dorsalis pedis pulse has been located with the Doppler - the cuff is
24. What is the aim of the tourniquet test?
The tourniquet test is designed to reveal the presence and site of incompetent veins - especially at the sites of connection between the superficial and deep venous systems.
End-to-end anastamosis - patching and the use of the left subclavian artery as a flap are all surgical options
Pressure effects - Deafness with involvement of the 8th cranial nerve - Sarcomatous transformation - Intra-abdominal effects - Skeletal changes
The commonest presentation is a painless lump or a dull ache in one testis in a young man - Occasionally there is a history of trauma accompanying the discovery of the mass - 10% present with an acutely painful testis - If para-aortic nodes have beco
25. Which patients might be considered for carotid endarterectomy?
It can be classified according to cause: Malignancy - Infections - e.g filiaris - tuberculosis - Post Surgery or Radiotherapy - axillary dissection in breast surgery and inguinal irradiation
Symptomatic carotid stenosis of more than 70% - Trials demonstrated that for patients with severe stenosis surgery reduce the relative risk of disabling stroke by 48%
A carbuncle is an extensive infection of hair follicles by the same organism with involvement of adjacent follicles and development of draining sinuses. It is associated with diabetes and is treated with a combination of systemic antibiotics and surg
Non-surgical : risk factor modification such as establishment of good diabetic control and for recurrent infections eradication of nasal carriage of staphylococcus aureus with antiseptics and/or antibiotics such as chlorhexidine and mupirocin - Surgi
26. What are the questions that should be asked when taking a history for a lump or ulcer?
The tourniquet test is designed to reveal the presence and site of incompetent veins - especially at the sites of connection between the superficial and deep venous systems.
Onset and Continuous Symptoms - When did you first notice it? - What made you notice it? - Predisposing events? - How does it bother you? - What symptoms does it cause? - Has it changed since you first noticed it ? - Have you noticed any other lumps?
Hyperkeratoses(thickening of the keratin layer) - Focal parakeratosis - Irregular acanthosis - Basal layer atypia only
Soft-tissues(lipoma -dental cyst) - Dental origin(infection) - Muscular origin(hypertrophy of masseter muscle) - Bony origin(winged mandible -transverse process of atlas/axis) - Neoplasia(infratemporal fossa and parapharyngeal tumours)
27. What is a useful mneumonic to remember what you have to present when examining a lump or swelling?
Should The Children Ever Find Lumps Readily
Risk factor modification - stopping smoking - good diabetic and hypertensive control and optimized serum lipid levels - Symptom modification - avoidance of drugs which might worsen symptoms - commencement of low-dose aspirin daily -IV prostaglandins
History and Clinical Examination - they usually present incidentally but occasionally with a renal mass or haematuria
Unilateral - Bilateral
28. What are the two main classifications for thyroid enlargement?
Produces IgM - to capture and process foreign antigen - Filters especially encapsulated microorganisms e.g pneumococcus - Sequesters and removes old red blood cells and platelets - Recycles iron - Pools platelets(30% of total platelets within spleen)
A dermoid cyst is a skin-lined cyst deep to the skin. They may be congenital or acquired.
Regular skin inspection - Frequent turning of immobile patients( 2 to 4 hourly) - Massage - Toileting - The use of special mattresses and cushion which redistribute the pressure on at-risk areas
Diffuse enlargement - smooth or nodular - Solitary nodule
29. Sclerotherapy To treat varocose veins
Venous gangrene is a rare complication of deep vein thrombosis in the iliofemoral segment and presents in three phases: 1 - Phlegmasia alba dolens - white leg 2 - Phlegmasia cerulea dolens - blue leg 3 - Gangrene - occurs as a consequence of acute is
Injection sclerotherapy with 1% sodium tetradecyl sulphate - this has a high recurrence rate and indicated for postoperative recurrence of veins - below knee varicosities if the long saphenous vein and short saphenous vein are not involved.
Presence of multiple neurofibromas in a patient - in combination with other dermatological manifestations(six cafe-au-lait psots) - It is an autosomal dominant condition with two types: 1 and 2.
Ductal carcinoma which account for approximately 70% of cancers - Lobular carcinoma which accounts for 20% of cancers - Others such as mucinous -tubular -medullary which accounts for approximately 10% of cancers
30. What are the malignant diseases of the breast?
The aorta is narrowed below the origin of the left subclavian artery and therefore blood flow to the abdomen and legs is reduced - The prominent vessels over the back are large collateral that have developed to bypass the obstruction and supply the l
Are you having difficulties swallowing liquids - or solids - or both? - Did the problem start suddenly or was the onset gradual? - Do you ever regurgitate food? - Can you eat a full meal? - How long have you had this problem for? - Where does the foo
Ductal carcinoma which account for approximately 70% of cancers - Lobular carcinoma which accounts for 20% of cancers - Others such as mucinous -tubular -medullary which accounts for approximately 10% of cancers
Barium swallow Which is usually diagnostic - Rigid endoscopy if neoplasia suspected
31. What is the treatment of Sjogren's syndrome?
The simplest surgical technique is to excise the papilloma with a sharp pair of scissors - controlling bleeding from the central vascular component with a single suture. Alternatively - diathermy can be used to control the bleeding at the same time a
Smoking - Diabetes - Hypertension - Cholesterol - Previous history especially heart disease or stroke - Family history - Possibly renal failure -hypothyroidism and gout
Treatment involves the use of artificial tears and saliva - use of systemic steroids and careful follow-up due to increased risk of lymphoma development
Through an inguinal approach - with early clamping of the testicular artery and vein within the spermatic cord before the testis is mobilized out of the scrotum - this prevents intraoperative seeding of tumour up the testicular vein
32. What are the two types of complications of thyroidectomy?
Heamolysis - Hereditary e.g : gilbert's syndrome
General - Specific
Ulcer is distal to the fistula - Shallow indolent ulcers
Mean age is 50 years at presentation(F for fifty)
33. What is the classification of liposarcoma?
Reduction of the contents of the sac - Excision of the sac - Repair of the defect - taking care not to narrow the femoral vein while tightening up the femoral canal
Well-differentiated - Myxoid and round cell - Pleomorphic liposarcoma
0.5 to 0.8
Mnemonic : CHIASMA - Congestive : cardiac failure - Haematological : reticuloses - Infection : viral -bacterial -protozoal - Amyloid - Storage disorders : Wilson's disease - haemochromatosis - Masses: primary/secondary neoplasia - Autoimmune/alcohol
34. What is the non-surgical treatment of a patient with an epigastric hernia?
Paraumbilical herniae occur around the umbilical scar. They are uncommon before the age of 40 years and can become large. Peristalsis can be observed through the skin when the defect is large. The neck of the sac is often tight and held with a fibrou
Those related to anaesthesia
Non-surgical - same as in incisional hernia with possible investigations : LFTs - H.pylori serology and Upper GI endoscopy
80% of salivary gland tumours occurs in the parotid gland - 80% of these parotid tumours being benign - with 80% of these benign tumours being pleomorphic adenomas
35. What factors predispose to incisional hernia?
Definition - Incidence - Sex - Geography - Aetiology - Pathogenesis - Macroscopic Pathology - Microscopic Pathology - Prognosis - Symptoms - Signs - Investigations - Treatment
An abnormal sac containing gas -fluid or semisolid material - with an epithelial lining
Preoperative - Age -Immunocompromised state -obesity -malignancy -abdominal distension from obstruction or ascites - Operate - Poor technical closure of the wound -placing drains through wounds - Postoperative - wound infection or haematoma - early m
The elective mortality from open AAA repair is 5% but this figure may be lower in specialist centres - If the patient suffers a ruptured aneurysm and reaches the hospital - their operative mortality rises to 50% - but only 50% of patients reach hospi
36. How do you classify the severity of thyroid eye disease?
A horizontal ellipse of stretched supra or infra-umbilical skin is excised - deeping the incision to the rectus sheath and identifying the fibrous band Which is the neck of the sac - The sac is dissected free from the surrounding tissues - which may
Look - Feel - Press - Move - Listen - Transilluminate and Examine Surrounding Areas.
Colour changes - Trophic changes - Vascular angle
Mnemonic : NO SPECS - No signs or symptoms - Only signs of upper lid retraction and stare - with or without lid lag and exopthalmos - Soft-tissue involvement - Proptosis - Exopthalmos - Corneal Involvement - Slight loss due to optic nerve involvemen
37. What are the causes of hepatomegaly?
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38. How would you prepare a patient prior to breast surgery?
Physical preparation - marking of side - explanation of procedure - anaesthetic work up - Pyschological preparation - Breast care nurse preoperatively and discussion of reasons for mastectomy - option of reconstructive surgery
Non-surgical : Watch and wait - a small hydrocoele may require no treatment other than reassurance - but an underlying malignancy should be excluded. Aspiration - the hydrocoele fluid can be aspirated to relieve symptoms; tends to reaccumulate
The aorta is narrowed below the origin of the left subclavian artery and therefore blood flow to the abdomen and legs is reduced - The prominent vessels over the back are large collateral that have developed to bypass the obstruction and supply the l
If untreated - 25% progress to invasive squamous cell carcinoma
39. How do you classify skin flaps?
According to site - contents and if it is random or axial. When it comes to site - you consider where it is local or distant(Which is also known as a free flap). You have to also consider the contents which can contain any tissue capable of transfer
Well-differentiated - Myxoid and round cell - Pleomorphic liposarcoma
Demographics - Presenting Complaint - History of Presenting Complaint - Medical and Surgical History - Drugs and any other allergies - Family History - Social History - Systemic Enquiry
Varicocoeles are dilated tortuous 'varicose' veins in the pampiniform plexus - the network of veins that drains the testis - They usually occur in 15% of younger men - often around puberty - and are thought to have an anatomical basis - If they appea
40. What are the features of ulcers in patients with rheumatoid arthritis?
The major risk is embolic stroke(4% per year) which results from thrombus accumulating in an inefficiently contracting left atrium - Emboli can also lodge in the mesenteric vessel - causing intestinal ischaemia - Patients are also at risk from acute
Well-localized abscesses are treated by incision and drainage under antibiotic cover - Larger lesions are treated by radical excision and full-thickness skin grafting usually harvested from the groins or abdomen
Necrotizing vasculitis - Purpuric -haemorrhagic bullae
Some 50% are present at birth and they are thought to represent a congenital abnormality during the evolution of embryonic lymph nodes into the adult type
41. What are the other options other than open AAA repair?
Non-surgical : Watch and wait - a small hydrocoele may require no treatment other than reassurance - but an underlying malignancy should be excluded. Aspiration - the hydrocoele fluid can be aspirated to relieve symptoms; tends to reaccumulate
Endovascular repair - Laparoscopic repaire of abdominal aneurysms is the subject of current clinical trials
Non-Surgical : leave alone if asymptomatic and if patient does not want intervention - Surgical : Indicated only if malignant growth suspected; post-excision - local regrowth is common as neurofibromata cannot be surgically detached from underlying n
Venous disease
42. What is a fistula?
An abnormal communication between two epithelial surfaces(or endothelial surfaces such as in arteriovenous fistula)
Risk factor modification - stopping smoking - good diabetic and hypertensive control and optimized serum lipid levels - Symptom modification - avoidance of drugs which might worsen symptoms - commencement of low-dose aspirin daily -IV prostaglandins
More worrying features for a tumour would include: Thick or irregular wall - Extensive calcification within the cavity or wall of the cyst - Multilocular cysts
Procedure usually performed as a day case - Need to wear tight-fitting stockings for 6 weeks preoperatively - No driving for 1 week - Does not alter the skin changes - including skin flares - May not improve symptoms such as aching - Risk of recurren
43. What is the differential diagnosis of a midline neck swelling?
Mnemonic : PS : PLS C TiT - Pharyngeal pouch - Sublingual dermoid cyst - Plunging ranula - Lymph nodes - Subhyoid bursa - Ca - larynx/trachea/oesophagus - Thyroglossal cyst - Thyroid swelling
Myelofibrosis - Chronic Myeloid Leukaemia - Malaria - Tropical splenomegaly - Kala-azar(visceral leishmaniasis)
Non-surgical : Watch and wait - a small hydrocoele may require no treatment other than reassurance - but an underlying malignancy should be excluded. Aspiration - the hydrocoele fluid can be aspirated to relieve symptoms; tends to reaccumulate
They are often multiple and most commonly arise in the head of the epididymis. Occassionally they occur as a complication of vasectomy - in which case they are full of sperm and are termed spermatocoeles.
44. How is hypersplenism brought about?
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45. Where is the midpoint of the inguinal ligament?
Rapid growth and pain(on history) - Hyperemic hot skin - Hard consistency - Fixed to skin and underlying muscle - Irregular surface or ill-defined edge - Facial nerve involvement
Barium swallow Which is usually diagnostic - Rigid endoscopy if neoplasia suspected
Usually occurs in the over 50s although it may affect younger patients. It is the most common causes of a renal mass in women of childbearing age - Beck's Triad of: Haematuria - Mass - Loin Pain
Halfway along inguinal ligament that is between pubic tubercle and ASIS Which is equal to the location of the deep inguinal ring
46. What is the pathogenesis of Raynaud's phenomenon?
Lobectomy - Pneumonectomy - Non-anatomical resection are often performed for traumatic injury - Sleeve resection
If the vessels are normal in calibre - the clinical features may be caused by relatively overactive alpha receptors in the wall - leading to abnormal smooth muscle contraction or changes in elasticity
Optimize tissue perfusion and oxygenation - Treat infection as it arises - Use topical dressings as required and provide nutritional support specifically vitamin C - zinc and multivitamins. - Other techniques include hyperbaric oxygen -hydrotherapy a
Vascular - Cerebrovascular accident - Tumour - acoustic neuroma - Infection - Meningitis(rarely
47. What is the differential diagnosis in basal cell carcinoma?
As the perfusion of the leg begins to decrease in a patient with peripheral vascular disease; the ratio begins to fall.
It helps to give an indication as to What the exact aetiology is.
Third cranial nerve palsy - complete ptosis - Horner's syndrome - partial ptosis - Syphillis
The two main differential diagnoses to consider are; Benign - keratoacanthoma - especially if it is sloughing at its centre - Malignant -Squamous cell carcinoma - particularly the nodulo-ulcerative type with a rolled edge
48. What is a ganglion?
Xeroderma pigmentosum - Gorlin's syndrome
An intravenous injection of contrast into the veins in the arm can illustrate the degree of obstruction - A CT Scan of the thorax may demonstrate the cause of the obstruction and the length of the SVC affected
General : malaise -fatigue - loss of appetite - nausea and vomiting - Skin : as above - Bone marrow suppression : particular if irradiation to the pelvis and long bones - Gastrointestinal : diarrhoea
A cystic swelling related to a synovial lined caivity - either a joint or a tendon sheath
49. What is a skin graft?
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50. What is the main statistic with regards to salivary gland tumours?
Mainly teratoma or seminomas - other types are: Embryonal carcinoma - Choriocarcinoma - Yolk sac tumour - Leydig cell tumours - Sertoli cell tumours - Lymphoma
80% of salivary gland tumours occurs in the parotid gland - 80% of these parotid tumours being benign - with 80% of these benign tumours being pleomorphic adenomas
Necrotizing vasculitis - Purpuric -haemorrhagic bullae
Intracranial - Intratemporal - Extratemporal