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Test your basic knowledge |
Clinical Surgery
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health-sciences
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surgery
Instructions:
Answer 50 questions in 15 minutes.
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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 are the main aetiologies in diffuse enlargement of the thryoid?
Traumatic - Iatrogenic(following angiography and bypass)
Multinodular goitre - Toxic - Simple colloid goitre - Thyroiditis - Neoplasia
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
Vascular symptoms - Risk factors for arterial disease - Fitness for surgery
2. How would you prepare a patient who is going for surgery which will involve forming a stoma?
Inspect - Protrusion of the tongue - Swallowing - Palpate(from the back) - Continue Accordingly(Neck Decision Circle)
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
Dilatation of normal capillaries - Can be secondary to skin irradiation - Can be part of hereditary haemorrhagic telangiectasia
Mayo's 'vest-over-pants' operation is the most widely accepted repair for these herniae
3. What are the indications for surgery in goitre?
A dermoid cyst is a skin-lined cyst deep to the skin. They may be congenital or acquired.
The five Ms - Mechanical - obstructive symptoms - Malignancy - Marred Beauty - cosmetic reasons - Medical treatment failure - thyrotoxicosis - Mediastinal(retrosternal) extension - unable to perform FNAC or monitor change clinically
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.
Neo-rectum is created in a pelvic reservoir - Stage 1 : resection of colon and/or rectum - Stage 2 : Construction of an ileal reservoir - Which is anastamosed to the anus - this is usually covered with a diverting loop ileostomy proximal to the pouch
4. What are the causes of unilateral ptosis?
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5. Raynaud's phenomenon
Characteristic cold-induced changes associated with vasospasm
There are two pathological systems in use: Clark's level of invasion based mostly on the depth/extent of tumour and Breslow's thickness Which is based mostly on the thickness of malignant melanoma. Breslow's thickness is a better prognostic indicator
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
Idiopathic(50%) - Myeloproliferative disorders - Autoimmune hepatitis - More common in males than females
6. What is the arterial supply to the thyroid gland?
Superior thyroid artery - Inferior thyroid artery - Thyroidea ima(in 3% of people)
Peripheral Neuropathy
It is a collagen vascular disease - caused by infiltrate of plasma cells into the arterial wall - This leads to luminal thrombosis and affects small and medium-sized arteries of the lower limb - Eventually - collagen is deposited and forms a thick fi
Demographics - Presenting Complaint - History of Presenting Complaint - Medical and Surgical History - Drugs and any other allergies - Family History - Social History - Systemic Enquiry
7. What is a fistula?
Neoplasia(benign -malignant -lymphoma and leukaemia) - Stone(sialolithiasis) - Infection/inflammation(mumps -acute sialadenitis -chronic recurrent sialadenitis -HIV - salivary gland disease) - Autoimmune(sjogren's syndrome) - Infiltration(sarcoidosis
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
An abnormal communication between two epithelial surfaces(or endothelial surfaces such as in arteriovenous fistula)
Epidermal Cyst - Trichilemmal Cyst
8. How do you classify the severity of thyroid eye disease?
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
Non-Surgical : May be left alone if small and asymptomatic - Surgical : To prevent recurrence - complete excision of the cyst and its contents is required and this is done through the removal of an elliptical portion of skin containing the punctum.
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
Affect any age - Males = females - All races may be affected
9. What associations of coarctation are you aware of?
Urine cytology -blood tests would be expected to be normal and a renal ultrasound scan which shows a cyst with a smooth outline -sharply defined thin wall and no internal echoes(which imply solid components)
Coarctation may be associated with:Bicuspid aortic valcves - Aortic stenosis - Aneurysms in the circle of Wilis
As the perfusion of the leg begins to decrease in a patient with peripheral vascular disease; the ratio begins to fall.
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
10. What are the early side-effects of radiotherapy?
Malignancy - Primary lung tumour - Cardiovascular : Pulmonary embolus/infarct or Dressler's syndrome - Infections such as Pneumonia - Tuberculosis or Subphrenic abscess - Systemic diseases such as rheumatoid arthritis and SLE
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
Form of telangiectasias - Central arteriole with leg-like branches Which blanch on central pressure - Found over upper torso - head and neck in adults - Associated with chronic liver disease and pregnancy
Chest infection due to pulmonary aspiration - Diverticular neoplasia in less than 1% of cases
11. What are the features of nodular melanoma?
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
Second most common type - Occurs most often on the trunk - Polypoid in shape and is raised - Smooth surface - Irregular edge - Frequently ulcerated
Mnemonic : CHIASMA - Congestive : cardiac failure - Haematological : reticuloses - Infection : viral -bacterial -protozoal - Amyloid - Storage disorders : Wilson's disease - haemochromatosis - Masses: primary/secondary neoplasia - Autoimmune/alcohol
The vaginal type of hydrocoele may be secondary to a number of local pathologies: Testicular tumours - Torsion - Orchitis - Trauma - Following inguinal hernia repair
12. What are the extratemporal causes of facial nerve palsy?
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
A pyogenic granuloma is a rapidly growing capillary haemangioma whic usually measures less than 1cm in diameter
Tumour - parotid gland malignancy - Trauma - surgical - accidental e.g facial lacerations
Discolouration - Discharge - Depression - Deviation - Displacement - Destruction - [Duplication - unlikely in the exam]
13. What is the differential diagnosis in basal cell carcinoma?
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
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
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
Anxiety - Hyperthyroidism - Hyperhidrosis erythematosus traumatica - Phaeochromocytoma
14. What is the surgical treatment of a multinodular goitre?
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
Traditionally -Bilateral subtotal thyroidectomy without need for postoperative replacement of thyroxine was recommended but more recently total thyroidectomy is the preferred procedure due to the risk of pathological change in the thyroid remnant nec
Least common - Occurs on hairless skin - Irregular area of brown or black pigmentation
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
15. What is the non-surgical treatment of varicocoele?
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
Hyperthyroidism - Recurrent - Hypothyroidism - Hypertrophic scarring
Transfemoral radiological embolization of the testicular vein - using either a spring coil or sclerosant
Increase in size - Ulceration - Change in colour - Irritation - Bleeding - Halo of pigmentation - Satellite nodules - Enlarged local lymph nodes - Evidence of distant spread
16. How would you demonstrate to an examiner that a mass in the right upper quadrant is indeed an enlarged liver(hepatomegaly)?
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
malignant change?
A lipoma is a benign tumour consisting of mature fat cells.
Pigmented freckles around the lips and inside the mouth - associated with intestinal intussusception and gastrointestinal bleeding from colonic polyps
17. How would a patient with carotid aneurysm be investigated?
Other risk factors and cardiovascular disease elsewhere would be excluded and the neck imaged with a duplex scan or occasionally on intravenous digital subtraction angiogram
Undermined edge - Violaceous - Necrotic ulcer with hypertrophic margins
A furuncle results from infection of hair follicles with Staphylococcus aureus
Immobility and prolonged bed-rest are the most important factors - particulary secondary to conditions such as: Cardiopulmonary disease - Trauma - Neurological disease such as paraplegia - Bone and joint disease - Prolonged operative procedures - And
18. How would you treat pyoderma gangrenosum?
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
90% of lung resections in the Western world are performed for bronchial carcinoma. Other indications include traumatic injury - bronchiectasis - chronic infection including tuberculosis - benign tumours e.g carcinoid and metastatic tumour
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
Diabetic neuropathy and peripheral occlusive arterial disease are the major aetiological factors for the development of ulceration and may act alone - together or in combination with other factors such as microvascular disease - biomechanical abnorma
19. What are the sensory branches of the facial nerve?
Characteristic cold-induced changes associated with vasospasm
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
In the presence of jaundice if a mass(the gall bladder) is palpable in the right upper quadrant - the cause is unlikely to be due to gallstones.
A enterocutaneous fistula is an abnormal connection between the gastrointestinal tract and the skin
20. What types of wounds are prone to hypertrophic and keloid scar formation?
It is due to development inclusion of epidermis along lines of fusion of skin dermatomes and are therefore commonly at: The medial and lateral ends of the eyebrows - The midline of the nose - The midline of the neck and trunk - Suspect if you see a c
Wounds associated with - Infection - Trauma - Burns - Tension especially over the sternum such as after CABG - Wounds on certain areas of the body
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
Sacrum - Greater trochanter - Heel - Lateral Malleolus - Ischial Tuberosity - Occiput
21. What are the specific complications of a Cimino-Brescia fistula?
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
Increase in size - Ulceration - Change in colour - Irritation - Bleeding - Halo of pigmentation - Satellite nodules - Enlarged local lymph nodes - Evidence of distant spread
True aneurysms are uncommon and are generally caused by atherosclerosis - and occasionally by dissection -trauma -previous carotid surgery or infection - When a true aneurysm has been excluded - the patient can be reassured and discharged. - Dilated
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
22. What is the surgical treatment of pressure sores?
Debridement of dead tissue which can be performed by the tissue viability nurse since it does not require anaesthesia and reconstruction using a variety of fascial and muscle-containing composite flaps.
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
Klippel-Trenaunay-Weber Syndrome - Parkes-Weber syndrome
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
23. What is the risk of rupture for an aneurysm more than 5.5cm?
Klippel-Trenaunay-Weber Syndrome - Parkes-Weber syndrome
Extrahepatic : caused by increased resistance to flow e.g : portal or splenic vein thrombosis - Intrahepatic : due to cirrhosis - right heart failure - sarcoidosis and schistosomiasis(the latter is the most important cause worldwide - ova of the para
10% per year
Congenital - Multiple arteriovenous fistulae - Traumatic
24. What is the absolute pressure that is used in some definitions of critical ischemia?
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
An absolute pressure of less than 50mmHg
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
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
25. What is the treatment of medullary carcinoma?
Normal bilirubin is less than 17 mmol/L and it usually has to reach at least three times this before the sclera is discoloured(i.e >50mmol/L). Very high levels of bilirubin are usually associated with hepatic jaundice
Treatment is radical surgery with follow-up using sequent calcitonin assays
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
Primary Raynauds is due to vasomotor malformation - Secondary Raynauds occurs as a consequence of pathology affecting the vessel wall
26. What is the aetiology of diabetic foot ulcers?
Neuropathic - 45 to 60% of ulcers - Ischaemic due to peripheral occlusive arterial disaese - 10% of ulcers - Mixed neuroischaemic - 25-45% of ulcers
Tumour - parotid gland malignancy - Trauma - surgical - accidental e.g facial lacerations
Reflux Trahere transplantation - Kistner's operation - Obstruction: Palma Operation - Warren Bypass
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
27. Radiological investigations for hepatomegaly
Chest x-ray to map the caudal extent of the cystic hygroma - CT/MRI scanning especially if it is complex
Autoimmune thrombocytopaenia/haemolytic anemia - Hereditary spherocytosis - Thrombotic thrombocytopenia - Sickle cell/thalessemia - Myelofibrosis - occasionally in CML - Hodgkin's
Ultrasound - first line - Which is used to define the liver architecture and give an idea of the size and may identify the pathology - Contrast-enhanced CT may also be useful - especially to further investigate solid lesions
A neurofibroma is a benign tumour derived from peripheral nerve elements.
28. What is a skin flap?
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
A skin flap consists of tissue - or tissues - transferred from one site of the body to another - while maintaining a continuous blood supply through a vascular pedicle.
Cardiac disease - hypertension -myocardial infarction -ischaemia -mitral valve disease - cardiomyopathy -endocarditis - Respiratory disease - Pneumonia - lung cancer - sarcoidosis - Other: Hypothyroidism and idiopathic ( lone AF)
Cervical rib or prominent transverse process of the Chest X-ray or thoracic outlet views - Doppler examination may be useful in quantifying the postural changes and post-stenotic dilatation - Arteriograms of the subclavian artery may show a marked ki
29. What do you know about the pathophysiology of varicose veins?
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
Fibrous tissue invades the tunica intima and media of the vein and breaks up the smooth muscle - preventing the maintenance of adequate vascular tone. These changes are patchy and may not affect adjacent segments of vein.
Immobility and prolonged bed-rest are the most important factors - particulary secondary to conditions such as: Cardiopulmonary disease - Trauma - Neurological disease such as paraplegia - Bone and joint disease - Prolonged operative procedures - And
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.
30. What are the causes of bilateral ptosis?
The primary lesion could be treated with excision with 1cm margin and Moh's staged chemosurgery with histological assessment of margins and electrodessication - for lesions of the eyelids -ears and nasolabial folds. Radiotherapy is applied for unrese
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
Mneumonic : I - CHUM - Infection(frequent) - Calcification - Ulceration - sebaceous Horn formation - Malignant change
Congenital ptosis - Myopathies - Syphillis
31. What is the most common type of malignant melanoma?
Superficial spreading at 70% of malignant melanomas
Aneurysms are most common in: Men - Aged more than 60 years - Smokers - Hypertensive patients - Often strong family history
Primary disease occurring in isolation
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.
32. Where is the midpoint of the inguinal ligament?
Halfway along inguinal ligament that is between pubic tubercle and ASIS Which is equal to the location of the deep inguinal ring
A blepharoplasty can be performed where excess skin and fat are removed.
Cardiac and respiratory disease should be controlled first - Other risk-factors should be optimized - Preoperative weight loss should be encourage
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
33. What kinds of analgesia would be appropriate for this patient?
Mnemonic: SNAiL - Superficial spreading - Nodular melanoma - Acral lentiginous melanoma - Lentigo maligna melanoma
Motility disorders - diffuse oesophageal spasm and achalasia - Neurological disease such as myaesthenia gravis - bulbar palsy including MND and cerebrovascular accident with involvement of the 9th -10th and 12th cranial nerves.
Ischaemic ulcers can be extremely painful and even removing the bandages from around the ulcer can cause pain that lasts for several hours. The analgesic ladder would be appropriate in this situation starting from simple oral agents -stronger oral ag
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
34. What is neurofibromatosis?
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.
They are known as adiposis dolorosa or Dercum's disease.
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
20%
35. What is the classification of liposarcoma?
Blood Tests:Haematological - FBC - ESR - Biochemical : TFT - ACE Levels(raised in sarcoidosis) - Serological : 'monospot' or Paul-Bunnell test looking for atypical mononuclear cells in infectious mononucleosis - Radiological : Ultrasound - CT Scan an
State of the skin/subcutanaeous tissues - Sites of fascia defects - Site of incompetence(including the Trendelenburg and Tourniquet Tests)
Xeroderma pigmentosum - Gorlin's syndrome
Well-differentiated - Myxoid and round cell - Pleomorphic liposarcoma
36. What is the non-surgical treatment of venous ulcers?
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
Bronchial carcionoma - Chronic suppurative lung disease(abscess -bronchiectasis -cystic fibrosis -empyema) - Fibrosing alveolitis - Mesothelioma
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
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
37. What are port-wine stains?
These are due to a defect through the linea alba adjacent to the umbilicus and usually due to obesity stretching the fibres.
Complete excision to include the neck of the ganglion at its site of origin
Purple-blue naevus found on face -lips and mucous membrane of the mouth - Present from birth and does not change in size thereafter - Found on limbs in association with Klippel-Trenaunay syndrome.
If untreated - 25% progress to invasive squamous cell carcinoma
38. What other non-surgical treatments are available for ischaemic ulcers?
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
Mnemonic : PS : PLS C TiT - Pharyngeal pouch - Sublingual dermoid cyst - Plunging ranula - Lymph nodes - Subhyoid bursa - Ca - larynx/trachea/oesophagus - Thyroglossal cyst - Thyroid swelling
Simple colloid goitre - Graves' disease - Thyroiditis
Small -punched out ulcers - Often over medial aspect of lower leg
39. What is the medical treatment of Graves disease?
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
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
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
Non-Surgical : leave alone if asymptomatic and if patient does not want intervention - Surgical : Simple excision followed by histology
40. What questions should one ask to someone with dysphagia?
Excision of an entire lung
Pre-hepatic - Hepatic - Post-hepatic
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
10% per year
41. How may pleural effusions be classified?
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
Painless - Associated with normal appearance of the surrounding skin - Associated with local sensory loss
Non-Surgical : Leave alone if asymptomatic(particularly in young patients) - Surgical : Complete excision of lesion with histology(.
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
42. What is jaundice?
Mnemonic : CHIASMA - Congestive : cardiac failure - Haematological : reticuloses - Infection : viral -bacterial -protozoal - Amyloid - Storage disorders : Wilson's disease - haemochromatosis - Masses: primary/secondary neoplasia - Autoimmune/alcohol
Jaundice is yellow discolouration of the skin and mucous membranes caused by the accumulation of bile pigments.
Dissection of the hernial sac from surrounding tissues and definitioni of tissue bordering the defect on all sides to 2-3cm - Closing the defect(if small) and/or using mesh overlapping adequately( more than 5 to 8cm) over normal tissues to allows for
Extrahepatic : caused by increased resistance to flow e.g : portal or splenic vein thrombosis - Intrahepatic : due to cirrhosis - right heart failure - sarcoidosis and schistosomiasis(the latter is the most important cause worldwide - ova of the para
43. What are the two types of complications of thyroidectomy?
The advantages of having surgery are a six-fold reduction in the rate of stroke at 3 years - The operative risk of stroke is 2% and operative mortality 1-2% - Specific risks of haematoma -hypoglossal nerve injury and numbness of the ipsilateral earlo
True umbilical herniae occur through the umbilical scar and are usually congenital in origin and particulary common in patients of Afro-Caribbean origin
Tissues with rapid turnover(epidermal layers of the skin - small intestine - bone marrow stem cells) - Tissues with a limited ability to repopulate(spinal cord and gonads)
General - Specific
44. What are the elements of the reconstruction ladder?
Healing by secondary intention - Skin graft - Local flap - Distant flap - Composite flap - Island flaps vs pedicled flaps - Free tissue transfer - Composite neurovascular free tissue transfer
Non-Surgical : leave alone if asymptomatic and if patient does not want intervention - Surgical : Simple excision followed by histology
Complications include cosmetic symptoms but important problems are encountered in the perinatal period: Before delivery it may obstruct delivery - After delivery : respiratory obstruction and obstruction of swallowing
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)
45. What is the defective gene in type 1 NF?
Wound complications - Recurrence - Damage to adjacent neurovascular structures
Defective gene on chromosome 17
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
Epidermal Cyst - Trichilemmal Cyst
46. What is a neurofibroma?
A neurofibroma is a benign tumour derived from peripheral nerve elements.
Simple inversion and oversewing(diverticulopexy) - as pouch is left in situ - risk of missing a possible diverticular carcinoma - or diverticulectomy.
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)
Inspect - Protrusion of the tongue - Swallowing - Palpate(from the back) - Continue Accordingly(Neck Decision Circle)
47. What is the aetiology of enterocutaneous fistulae?
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48. What are the causes of ischaemic ulcers?
Auscultation - Percussion of the thyroid gland and downwards for retrosternal extension
Hyperkeratosis - Acanthosis - Hyperplasia of variably pigmented basaloid cells
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
Complications include cosmetic symptoms but important problems are encountered in the perinatal period: Before delivery it may obstruct delivery - After delivery : respiratory obstruction and obstruction of swallowing
49. What is a cavernous haemangioma?
SRSN -OPD -RAT - Site - Radiation - Severity - Nature - Onset - Periodicity - Duration - Relieved by - Accentuated by - Timing
Bronchial carcionoma - Chronic suppurative lung disease(abscess -bronchiectasis -cystic fibrosis -empyema) - Fibrosing alveolitis - Mesothelioma
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.
A hypervascular mas displacing the bifurcation of the carotid arteries
50. How do patients with a pharyngeal pouch usually present?
Weight loss - Change in bowel habit - Loss of appetite - Back pain
A lipoma is a benign tumour consisting of mature fat cells.
A blepharoplasty can be performed where excess skin and fat are removed.
Patients are usually symptom-free for a long period of time followed by dysphagia and hoarseness - associated with regurgitation of undigested foods - and associated weight-loss