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Test your basic knowledge |
Clinical Surgery
Start Test
Study First
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. Which investigations would you use in a patient whom you thought might be suffering from a dysmotility problem?
Barium swallow may be useful - If diagnosis is in doubt - endoscopy with biopsies and brushings should be performed to exclude a carcinoma - Physiological function could be tested using 24-hour oesophageal pH studies to exclude reflux and manometry
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
Pressure effects - Deafness with involvement of the 8th cranial nerve - Sarcomatous transformation - Intra-abdominal effects - Skeletal changes
Excision of an entire lung
2. What is a papilloma?
A papilloma is an over-growth of all layers of the skin with a central vascular core. They are increasingly common with age.
Mnemonic : PS : PLS C TiT - Pharyngeal pouch - Sublingual dermoid cyst - Plunging ranula - Lymph nodes - Subhyoid bursa - Ca - larynx/trachea/oesophagus - Thyroglossal cyst - Thyroid swelling
Venous disease
The face can be affected in patients with: Syringomyelia - Frey's syndrome
3. What is the pathogenesis of an acquired dermoid cyst?
Peripheral Neuropathy
malignant change?
It is due to forced implantation of skin into subcutaneous tissues following an injury. Normally found in areas of the body prone to injury such as fingers. Suspect if you see an adult in exam.
Surgical treatment involved complete excision but the full extent of the cyst should be established with suitable radiographic views such as x-ray or CT scan.
4. What is a cavernous haemangioma?
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
Scar confined to wound margins - It is found across flexor surfaces and skin creases
Antithyroid drugs - to inhibit thyroid peroxidase - Beta-blockers - to reduce the effect of excess circulating thyroxine on the cardiac system - Radioiodine - Treatment of choice - Single oral dose of 131 Iodine causes direct radiation damage to the
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.
5. What side effect would you warn this patient about if considering cervical sympathectomy?
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6. What are the features of Graves' disease?
Left spermatic vein is more vertical where it connects to the left renal vein - The left renal vein can be compressed by the colon - The left testicular vein is longer than the right - It frequently lack a terminal valve which serves to try to preven
Commoner in females - Results from polyclonal immunoglobulins against thyroid-stimulating hormone receptor Which bind and stimulate the receptor - these antibodies are found in 90% of patients - Hyperthyroidism with goitre - Thyroid eye disease - Thy
'Watch and wait' or aspiration followed by 3 weeks of immobilzation
Solar keratosses are squamous cell carcinoma in situ
7. What should you mention when considering the management of a surgical patient?
An arterial bruit may indicate alcoholic hepatits and carcinoma. A venous hum is associated with portal hypertension and if this is secondary to cirrhosis with a patent umbilical vein(or varices in the falciform ligament) - this is known as the Cruve
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
Heamolysis - Hereditary e.g : gilbert's syndrome
History - Examination - Special Investigations - Treatment
8. What is the shorter version of the surgical sieve?
Diet should be normal - Bag should be changed once or twice a day(needs to be emptied more frequently than this if it is urine or fluid faeces) - Ileostomies should have the base plate under the bag changed every 5 days and the bag changed daily - Ps
TIMEC - Trauma/Tumor - Infection/Inflammation/Ischemia - Metabolic -Mechanical - Endocrine - Congenital
Lobectomy - Pneumonectomy - Non-anatomical resection are often performed for traumatic injury - Sleeve resection
Increased sweating - Palmar erythema - Thyroid acropachy - Onycholysis - Areas of vitiligo - Pulse - Fine Tremor
9. What is a useful mneumonic to remember what you have to present when examining a lump or swelling?
Congenital ptosis - Myopathies - Syphillis
Tumour - parotid gland malignancy - Trauma - surgical - accidental e.g facial lacerations
Should The Children Ever Find Lumps Readily
The procedure can be performed under a regional(brachial plexus) - local or general anaesthesia - A longitudinal incision 3-4cm in length is made over the distal third of the forearm midway between the radial artery and the cephalic vein - The cephal
10. What is the operative mortality of amputations?
Mnemonic: DELFT(D) Feeding e.g feeding gastrostomy/jejunostomy - Lavage e.g appendicostomy - Decompression - bypass of an obstructing bowel lesion distal to the stom - Diversion - protection of a distal bowel anastamosis and urinary diversion followi
Congenital abnormalities - Aberrations of normal development and involution( fibroadenomas -breast cysts -sclerotic or fibrotic lesions) - Non-ANDI conditions such as infections -lipomas -fat necrosis
Non-surgically via aspiration and injection of sclerosant surgically via excision which may be partial ( to relieve symptoms) or complete as a one-stage procedure.
20%
11. What are the surgical options for managing ulcerative colitis?
Mnemonic : LEGS - Lipodermatosclerosis - Eczema - Gaps in the skin i.e ulceration - active and healed - Swelling - pedal oedema
Some surgeons would advocate that all patients should undergo Duplex scanning of the leg veins before any surgery is undertaken. Others would consider indications to be: Previous history of deep vein thrombosis - Any signs of chronic venous insuffici
Non-Surgical : leave alone if asymptomatic and if patient does not want intervention - Surgical : Simple excision followed by histology
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
12. What are the 3 objectives that one should look out for in the palpation of varicose veins?
Non-Surgical : leave alone if asymptomatic and if patient does not want intervention - Surgical : Simple excision followed by histology
Duplex Ultrasound - Angiography - CT/MRI
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
State of the skin/subcutanaeous tissues - Sites of fascia defects - Site of incompetence(including the Trendelenburg and Tourniquet Tests)
13. What are the surgical options available for deep venous occlusion/reflux
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14. What are the different varieties of Kaposi's sarcoma?
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15. When considering the treatment of a disease in a surgical patients - What are the important modalities of treatment which should be considered?
If untreated - 25% progress to invasive squamous cell carcinoma
Conservative - Medical - Surgical
Stool tests: Stool Culture - in new cases of IBD to exclude infection - Blood tests - Full blood count - may show anemia and leukocytosis - Electrolytes may show evidence of dehydration or hypokalemia - Liver function tests - CRP and ESR may be raise
Anaesthesia is more complicated because of the increased risk of stroke - In addition - patients with AF may be anticoagulated and if on warfarin - this medication needs to be discontinued prior to elective surgery - Patients with controlled AF may d
16. What do you know about thyroid malignancy?
Blood Tests:FBC - to look for raised white cell count in infection - Liver function - to look out for hypoalbuminaemia or evidence of hepatic dysfunction - Clotting - functional hepatic impairment - CRP/ESR - increased in infection/inflammation and i
The incidence is low approximately 4 per 100 -000 per year - The histological varieties are papillary -follicular -medullary - anaplastic and lymphoma(malignant) with papillary being the most common at 70% of the cases.(Mnemonic : MAL-FP)
History and Clinical Examination - Investigate if prominent nodule or features suspicious of malignancy such as cervical lymphadenopathy or recurrent laryngeal nerve palsy
This removes the possibility of recurrent disease appears to improves the outcome for patietns with significant eye disease and eliminates the need for annual TFT monitoring to assess remnant function. It does - of course - demand thyroxine replaceme
17. What are the contents of the spermatic cord?
The face can be affected in patients with: Syringomyelia - Frey's syndrome
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
Ulcer is distal to the fistula - Shallow indolent ulcers
Three arteries - artery to vas deferens -testicular artery -cremasteric artery - Three nerves - ilioinguinal nerve on the front of the cord - nerve to cremaster and autonomic nerves - Three other structures - vas deferens - pampiniform plexus of vein
18. How do testicular tumours usually present?
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
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 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
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
19. How would you perform a hernia repair?
Complete excision to include the neck of the ganglion at its site of origin
Mnemonic : LEGS - Lipodermatosclerosis - Eczema - Gaps in the skin i.e ulceration - active and healed - Swelling - pedal oedema
The main points to mention are: testicular damage should be mentioned as a specific risk factor - the operation can be performed under local or general anaesthetic and often as a day case - The Royal College of Surgeons has recommended the Lichtenste
Mnemonic : SPRUE - Site of enlargement : from the right costal margin towards the right iliac fossa - Percussion Note : dull - Respiration Movement: it descends - Unable to get above it - Edge : may be smooth or irregular
20. Sclerotherapy To treat varocose veins
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
Depends on local guidelines but essentially: Pneumococcal vaccine - Haemophilus influenzae type B vaccine - Meningococcal vaccine - Annual 'flu' vaccine - Consideration for lifelong penicillin or penicillin as required when infection present - Warn a
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.
Dohlman's procedure - endoscopic diathermy resection of the posterior pharyngeal wall or endoscopic stapling with less risk of fistula formation and consequent mediastinitis
21. How do you harvest a skin graft?
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
Using hand-held skin graft knives or electric or gas powered dermatomes - the latter producing a graft of even thickness from almost any site - with little expertise needed for operation. The donor site is usually one that can be easily concealed for
It is the result of a weak posterior wall to the inguinal canal - Arise medial to the inferior epigastric vessels at operation - This weakness causes the abdominal contents to bulge through the wall into the inguinal canal but the hernia is not withi
0.5 to 0.8
22. How are they classified?
Inspect - Protrusion of the tongue - Swallowing - Palpate(from the back) - Continue Accordingly(Neck Decision Circle)
Duration and change in size - Cosmetic symptoms - Discomfort during swallowing/dysphagia - Dyspnoea - Hoarseness - Pain
Lymphangiomas can be:Cystic - Solid or diffuse - Cutaneous
Excessive dryness of skin - Compensatory sweating around trunk ( in up to 50% of patients) - Horner's syndrome( a consequence of damage to the stellate ganglion) - 0.1% - Pneumothorax/haemothorax - Important to warn of the risk of a general anaesthet
23. What are the early side-effects of radiotherapy?
Is there evidence of a new or old stoma site? Is there evidence of a small incision to one side of the scar(from a drain - this may have been due to a bowel operation) - Are there also scars in the groins? - Are there striae gravidarum
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)
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
Debulking or bypass procedures - Direct lymphovenous anastamosis - Stripping a piece of intestinal mucosa - exposing the rich submucosal plexus - this can then be used to replace a leg lymph node which then forms new connections with distal lymphatic
24. What would you tell to a lady with varicose veins about the proposed surgery?
Refers to congenital disease or primary lymphatic failure. It is three times more common in women and the pathology originates from within the lymphatics. It is also known as Milroys disease.
Antithyroid drugs - to inhibit thyroid peroxidase - Beta-blockers - to reduce the effect of excess circulating thyroxine on the cardiac system - Radioiodine - Treatment of choice - Single oral dose of 131 Iodine causes direct radiation damage to the
Look - Feel - Press - Move - Listen - Transilluminate and Examine Surrounding Areas.
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
25. What are the causes of a false aneurysm?
Reassurance - if symptoms are not distressing for the patient Medical - aluminium hexachloride solution painting for axillary hyperhidrosis Surgical - Axillary - excise hair bearing/intradermal Botulinum A Neurotoxin - Palmar - cervical sympathectomy
Traumatic - Iatrogenic(following angiography and bypass)
The insensitive - mechanically abnormal - dry foot is at risk from unperceived external trauma e.g from shoes and from repetitive painless injury e.g foreign body in shoe. Progressive skin loss and ulceration may occur.
Chest infection due to pulmonary aspiration - Diverticular neoplasia in less than 1% of cases
26. What is the risk of solar keratoses progressing to invasive squamous cell carcinoma?
A branchial cyst is thought to develop because of a failure of fusion of the embryonic second and third branchial arches. An alternative - and currently - popular - hypothesis is that it is an acquired condition due to cystic degeneration in cervical
If untreated - 25% progress to invasive squamous cell carcinoma
Those related to anaesthesia
Parafollicular C Cells
27. What are the motor branches of the facial nerve?
Thyroidectomy
Nerve to stapedius - Nerve to posterior belly of digastric - Five divisions within the parotid gland - temporal - zygomatic - buccal - mandibular and cervical
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.
Three arteries - artery to vas deferens -testicular artery -cremasteric artery - Three nerves - ilioinguinal nerve on the front of the cord - nerve to cremaster and autonomic nerves - Three other structures - vas deferens - pampiniform plexus of vein
28. From which cells does Medullary carcinoma arise from?
Parafollicular C Cells
Causes may be classified as the 3 Ps: Physiological - Pathological - decreased androgens - androgen resistance - increased secretion -increased peripheral aromatization - Potions that is drugs such as recreational drugs - GI drugs - cardiovascular dr
Second most common type - Occurs most often on the trunk - Polypoid in shape and is raised - Smooth surface - Irregular edge - Frequently ulcerated
They are known as adiposis dolorosa or Dercum's disease.
29. How would you prepare a patient who is going for surgery which will involve forming a stoma?
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
Psychosocial and physical preparation - Explanation of indications and complication - Involving a Clinical Nurse Specialist in Stoma Care preoperatively who would normally mark the site - Marking of the stoma site
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
It is a point halfway along a line joining the ASIS and the midline Which is equal to the location of femoral artery
30. In the tourniquet test - What do collapsed veins below the tourniquet indicate?
The incompetent vein is at or above the level of the tourniquet
Aneurysms are most common in: Men - Aged more than 60 years - Smokers - Hypertensive patients - Often strong family history
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)
The pain is caused by a reduced blood supply to the distal aspects of the limb. The pain gets worse at night because the perfusion of the limb is further reduced when the patient is lying down - This is due to: Decreased cardiac output at night - Red
31. How would you manage a multinodular goitre?
History and Clinical Examination - Investigate if prominent nodule or features suspicious of malignancy such as cervical lymphadenopathy or recurrent laryngeal nerve palsy
Superior thyroid artery - Inferior thyroid artery - Thyroidea ima(in 3% of people)
Non-Surgical : Leave alone if asymptomatic(particularly in young patients) - Surgical : Complete excision of lesion with histology(.
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
32. What should one do in the general examination of the surgical patient?
Simple mastectomy - Modified radical mastectomy(patey) - Radical mastectomy(Halsted mastectomy) - Extended radical mastectomy
The patient should have a full workup for atherosclerosis - General investigations : Urinalysis for proteinuria - marker of atherosclerotic renal disease - Blood tests: FBC for anemia - which might precipitate symptoms - Renal function for possible u
Congenital - Usually due to a cervical rib(arising from the seventh cervical vertebra) and the subclavian artery is compressed between the rib and either the scalenus anterior muscle or the clavicle - Acquired - The obstruction may also follow a frac
Wash Hands - Observe from end of bed - Start examination from right-hand side - Look for JACCOL which means jaundice -anaemia -cyanosis -clubbing -oedema and lymphadenopathy - Observation -Palpation -Percussion and Auscultation
33. What are the treatment options available for Squamous Cell Carcinoma of the skin?
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34. What are the complications of incisional hernia?
Situations where skin grafts will not take - When the aim is to reconstruct the tissue that is 'like-for-like'(bone -joint -tendon -nerve -epithelial lining -etc) to promote optimal structure - function and cosmesis - When blood supply has to be impo
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
Mnemonic : PISS - Persistent Pain - Incarceration/Intestinal Obstruction(often intermittent) - Strangulation - Skin Excoriation
Hyperthyroidism - Late Hypothyroidism - Later Hyperparathyroidism
35. Which antibodies are present in Sjogren's syndrome?
Autosomal dominant - 1 in 500 - Chromosomes 4 and 16 are affected - Age of Presentation is between 30s and 50s
Carcinoma of the stomach and oesophagus - lymphomas and with endocrine disorders such as acromegaly - Cushing's - diabetes complicated by severe insulin resistance
Anti-salivary antibodies - rheumatoid factor - but two specific antibodies present are anti-SSA-Ro and anti-SSA-La
Primary Raynauds is due to vasomotor malformation - Secondary Raynauds occurs as a consequence of pathology affecting the vessel wall
36. What are the features of a femoral hernia?
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
Renal transplantation is indicated in end stage renal failure - the commonest reasons in the UK are:Diabetes mellitus - Hypertensive renal disease - Glomerulonephritis - Polycystic kidney disease
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
Found below the inguinal ligament - Usually not reducible - Commoner in women - but inguinal herniae are still commoner in women than femoral hernias. Risk of strangulation is high - Cough impulse usually absent
37. What are the causes of postoperative jaundice?
Bronchial carcionoma - Chronic suppurative lung disease(abscess -bronchiectasis -cystic fibrosis -empyema) - Fibrosing alveolitis - Mesothelioma
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
Pregnancy - Ascites - Ovarian cysts - Fibroids - Bowel distension
Prehepatic jaundice can occur due to haemolysis - especially following a transfusion - Hepatic jaundice can result from the use of halogenated anaesthetics - sepsis or intra- or postoperative hypotension - Post-hepatic jaundice can occur due to bilia
38. What is a hydrocoele?
High-energy X-rays interact with tissues to release electrons of high kinetic energy - which cause secondary damage to adjacent DNA via an oxygen-dependent mechanism. The damage is either repairable or non-repairable - the latter manifesting itself a
Duplex - shows area of reflux and deep venous occlusion - Venography - ascending which identifies deep venous patency and perforator incompetence and descending which identifies areas of reflux - Varicography - shows sites of communication - Ambulato
Uncommon sensory component of facial nerve carrying cutaneous impulses from the anterior wall of the external auditory meatus known as nervus intermedius or pars intermedia of Wrisberg
Excess accumulation of fluid in the processus vaginalis.
39. How would you treat pyoderma gangrenosum?
Early - haematoma - Intermediate - Infection and nerve damage e.g saphenous in stripping - Late - Recurrence
Excision of a single lobe of the lung
Medical : treat underlying condition - saline cleansing - high-dose oral or intralesional steroids plus/minus cyclosporin - Surgical : serial allograft followed by autologous skin graft or muscle flap coverage when necessary
An absolute pressure of less than 50mmHg
40. What is the mainstay of treatment in ascites?
The mainstay of treatment of ascites is to treat the underlying condition and to place the patient on a weight reduction program - with the help of diuretic - and a low-sodium diet.
Open lymph node excision biopsy - Block dissection of the neck - Radical Neck Dissection
Solar keratosses are squamous cell carcinoma in situ
Inspect - Protrusion of the tongue - Swallowing - Palpate(from the back) - Continue Accordingly(Neck Decision Circle)
41. What factors predispose to incisional hernia?
40 X increased risk of developing lymphoma - usually B-Cell non-Hodgkin's type
Resection of a lobe including its bronchial origin with re-anastamosis of the proximal and distal bronchus
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
Solar keratosses are squamous cell carcinoma in situ
42. What is the differential diagnosis of an epigastric mass?
Arising from the skin and soft tissues - sebaceous cysts -sarcoma -lipoma -epigastric hernia - Arising from the gastrointestinal tract - carcinoma of the stomach -hepatomegaly -pancreatic ca - pancreatic pseudocyst - Arising from the vascular system
Primary disease occurring in isolation
Cardiac disease - hypertension -myocardial infarction -ischaemia -mitral valve disease - cardiomyopathy -endocarditis - Respiratory disease - Pneumonia - lung cancer - sarcoidosis - Other: Hypothyroidism and idiopathic ( lone AF)
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
43. How does follicular carcinoma spread?
A blind-ending track -typically lined by epithelial or granulation tissue - which opens onto an epithelial surface
Via the bloodstream(R is equal to red is equal to blood)
Causes may be classified as the 3 Ps: Physiological - Pathological - decreased androgens - androgen resistance - increased secretion -increased peripheral aromatization - Potions that is drugs such as recreational drugs - GI drugs - cardiovascular dr
Psychosocial and physical preparation - Explanation of indications and complication - Involving a Clinical Nurse Specialist in Stoma Care preoperatively who would normally mark the site - Marking of the stoma site
44. What are the variants of lipoma?
The incidence is low approximately 4 per 100 -000 per year - The histological varieties are papillary -follicular -medullary - anaplastic and lymphoma(malignant) with papillary being the most common at 70% of the cases.(Mnemonic : MAL-FP)
Mnemonic : LEGS - Lipodermatosclerosis - Eczema - Gaps in the skin i.e ulceration - active and healed - Swelling - pedal oedema
Situations where skin grafts will not take - When the aim is to reconstruct the tissue that is 'like-for-like'(bone -joint -tendon -nerve -epithelial lining -etc) to promote optimal structure - function and cosmesis - When blood supply has to be impo
Angiolipomas - Hibernomas - Bannayan-Zonana Syndrome
45. How do true umbilical herniae occur?
True umbilical herniae occur through the umbilical scar and are usually congenital in origin and particulary common in patients of Afro-Caribbean origin
Pressure effects - Deafness with involvement of the 8th cranial nerve - Sarcomatous transformation - Intra-abdominal effects - Skeletal changes
Simple colloid goitre - Graves' disease - Thyroiditis
Congenital Which is rare and Acquired Which is very common.
46. How would you diagnose a branchial cyst?
Auscultation - Percussion of the thyroid gland and downwards for retrosternal extension
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
May require the placing of postoperative drains
Clinical examination - Fine-needle aspiration which would show an opalescent fluid containing cholesterol crystals or pus.
47. What is the aetiology of diabetic foot ulcers?
Peripheral Neuropathy
Superior thyroid artery - Inferior thyroid artery - Thyroidea ima(in 3% of people)
The procedure can be performed under a regional(brachial plexus) - local or general anaesthesia - A longitudinal incision 3-4cm in length is made over the distal third of the forearm midway between the radial artery and the cephalic vein - The cephal
Neuropathic - 45 to 60% of ulcers - Ischaemic due to peripheral occlusive arterial disaese - 10% of ulcers - Mixed neuroischaemic - 25-45% of ulcers
48. Which patients might be considered for carotid endarterectomy?
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
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%
Temperature - Capillary Refill - Peripheral Pulses
Chest infection due to pulmonary aspiration - Diverticular neoplasia in less than 1% of cases
49. What do you know about the epidemiology of keloid scars?
Lead shields to protect the eyes and gonads - Dose-fractionation - Prior chemotherapy - Regional hypothermia - Radiolabelled antibodies
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
May affect people from puberty to 30 years - Females are more affected than males - Black and Hispanic Races are effected the most.
Hyperkeratoses(thickening of the keratin layer) - Focal parakeratosis - Irregular acanthosis - Basal layer atypia only
50. What points should be elicited when taking a pain history in a surgical patient?
SRSN -OPD -RAT - Site - Radiation - Severity - Nature - Onset - Periodicity - Duration - Relieved by - Accentuated by - Timing
Mneumonic : I - CHUM - Infection(frequent) - Calcification - Ulceration - sebaceous Horn formation - Malignant change
A dermatofibroma is a benign neoplasm of dermal fibroblasts.
High success - 50 to 70% will heal at 3 months - 80 to 90% at 12 months - The patient should be warned to avoid trauma to the affected area - Four-layer compression bandaging - Encourage rest and elevation of leg - Once healed - grade 2 compression s