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Test your basic knowledge |
Clinical Surgery
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Study First
Subjects
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health-sciences
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surgery
Instructions:
Answer 50 questions in 15 minutes.
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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 are the features of superficial spreading melanoma?
Non-Surgical : leave alone if asymptomatic and if patient does not want intervention - Surgical : Simple excision followed by histology
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
Occurs most often on the legs of women and the backs of men - Red -white and blue in colour - Irregular edge - Usually palpable but thin
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.
2. What are the causes of gynaecomastia?
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
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
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
Characteristic cold-induced changes associated with vasospasm
3. What are the medical options for Raynauds?
Anti-salivary antibodies - rheumatoid factor - but two specific antibodies present are anti-SSA-Ro and anti-SSA-La
A enterocutaneous fistula is an abnormal connection between the gastrointestinal tract and the skin
Unhealthy -necrotic and infected tissue - Irradiated tissue - Exposed cortical bone without periosteum - Tendon without peritendon - Cartilage without perichondrium
Calcium channel blockers e.g nifedipine - Prostacyclin analogues - Alpha blockers - 5-HT antagonists
4. What should one do in the general examination of the surgical patient?
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
Cyanotic congenital heart disease - Infective endocarditis - Atrial myxoma (rare)
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
Rolled or raised edge - Often on sun-damaged skin
5. What is the order of skin changes seen in Raynaud's?
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
Almost all are follicular adenomas - Usually 2 to 4 cm and encapsulated at presentation - Indistinguishable from carcinomas on FNAC - as the presence of a capsule cannot be demonstrated - Surgical excision is needed to confirm diagnosis
Found above the inguinal ligament - Usually reducible - Commoner in males - 6:1 - Risk of strangulation is low - Cough impulse present
Mnemonic: WBC - White - blanching of digits - Blue - cyanosis of pain - Crimson - reactive hyperaemia - fingers turn red in colour
6. What is the classification of testicular malignancies?
Treatment with radiotherapy and doxorubicin gives best survival of 1 year
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
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.
Mainly teratoma or seminomas - other types are: Embryonal carcinoma - Choriocarcinoma - Yolk sac tumour - Leydig cell tumours - Sertoli cell tumours - Lymphoma
7. What are the hepatobiliary complications of IBD?
Vaginal Hydrocoele - fluid accumulates in the tunica vaginalis - Hydrocoele of the cord - fluid accumulates around the spermatic cord - Congenital Hydrocoele - Infantile Hydrocoele
Cardiac failure - Tricuspid regurgitation - Constrictive pericarditis
Fibroadenomas - Breast cysts - Fat necrosis - Breast cancer
Liver - fatty change - chronic active hepatitis -cirrhosis and amyloid deposition - Gall bladder and bile ducts - gallstones - sclerosing cholangitis - and cholangiocarcinoma
8. What is the consequence of carotid stenosis?
Parafollicular C Cells
Central causes - RHF - hypoalbuminaemia -nephrotic syndrome and hypothyroidism - Peripheral - venous disease such as DVT - Klippel-Trenaunay syndrome - chronic venous insufficiency or post-phlebitic limb - Rare - angio-oedema - arteriovenous malforma
Stroke is the third leading cause of death in the west and 85% of strokes are thromboembolic - caused by atherosclerosis at the carotid bifurcation or proximal (2-3cm) internal carotid artery.
Xeroderma pigmentosum - Gorlin's syndrome
9. How would you demonstrate a patient's ankle brachial pressure index?
Found above the inguinal ligament - Usually reducible - Commoner in males - 6:1 - Risk of strangulation is low - Cough impulse present
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
State of the skin/subcutanaeous tissues - Sites of fascia defects - Site of incompetence(including the Trendelenburg and Tourniquet Tests)
Via the lymphatic route(Y for yellow = lymph)
10. What investigations may help confirm the diagnosis of thoracic outlet obstruction?
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
The face can be affected in patients with: Syringomyelia - Frey's syndrome
It is a point halfway along a line joining the ASIS and the midline Which is equal to the location of femoral artery
(H)infection - Hypoparathyroidism which leads to hypocalcemia
11. What are the non-surgical treatment options for lymphoedema?
Salmonella typhi - Mycotic aneurysms as a result of staphylococcal infection - Syphilitic aneurysms
SRSN -OPD -RAT - Site - Radiation - Severity - Nature - Onset - Periodicity - Duration - Relieved by - Accentuated by - Timing
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
Grade 3 compression stockings to apply 40mmHg pressure at the ankles - Intermittent pneumatic compression device - Cellulitis should be treated - Advise patient to elevate their leg as much as possible and stress the importance of cleanliness and car
12. What are the questions that should be asked when taking a history for a lump or ulcer?
Hepatitis - Decompensated chronic liver disease - Drugs
Any cause of deep venous insufficiency can lead to ulceration: Valvular disease - varicose veins - deep vein reflux - communicating vein reflux - Outflow tract obstruction - often post-DVT - Muscle pump failure - primary such as stroke and neuromuscu
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
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?
13. What are the intratemporal causes of facial nerve palsy?
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14. What are the different histological subtypes of a sebaceous cyst?
Mnemonic : HIS PRIPS - Ischaemia/gangrene - Haemorrhage - Retraction - Prolapse/intussusception - Parastomal Hernia - Stenosis - Skin excoriation
It is often advised as the problem usually gets worse with age and there is risk of infertility.
Epidermal Cyst - Trichilemmal Cyst
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
15. What are the sensory branches of the facial nerve?
Gradual elastic compression stocking - grade 2 compression - Encourage weight loss and regular exercise
Simple inversion and oversewing(diverticulopexy) - as pouch is left in situ - risk of missing a possible diverticular carcinoma - or diverticulectomy.
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
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
16. What are the three basic questions that need to be asked in a peripheral arterial system history?
Vascular symptoms - Risk factors for arterial disease - Fitness for surgery
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
Mnemonic : CHIASMA - Congestive : cardiac failure - Haematological : reticuloses - Infection : viral -bacterial -protozoal - Amyloid - Storage disorders : Wilson's disease - haemochromatosis - Masses: primary/secondary neoplasia - Autoimmune/alcohol
State of the skin/subcutanaeous tissues - Sites of fascia defects - Site of incompetence(including the Trendelenburg and Tourniquet Tests)
17. What are the mechanical obstruction causes of dysphagia?
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18. What are the main features of type 2 NF?
Defective gene on chromosome 22 with variable penetrance - Cutaneous signs are less often seen in this type.
Intra-abdominal abscesses should be drained - Colonic defunctioning using a loop ileostomy may be needed for patients who have failed medical therapy - Occasionally a subtotal colectomy and permanent ileostomy may be needed - Pouch surgery is general
Peripheral Neuropathy
Halfway along inguinal ligament that is between pubic tubercle and ASIS Which is equal to the location of the deep inguinal ring
19. What are the general complications of thyroidectomy?
Barium swallow Which is usually diagnostic - Rigid endoscopy if neoplasia suspected
Those related to anaesthesia
Mnemonic : CHIASMA - Congestive : cardiac failure - Haematological : reticuloses - Infection : viral -bacterial -protozoal - Amyloid - Storage disorders : Wilson's disease - haemochromatosis - Masses: primary/secondary neoplasia - Autoimmune/alcohol
Immediate : Facial nerve transection - Reactionary haemorrhage - Early : Wound infection - Temporary facial weakness -salivary fistula and division of the greater auricular nerve which means loss of sensation to the pinna - Late : Wound dimple - Frey
20. How would you investigate a patient with hepatomegaly?
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
The face can be affected in patients with: Syringomyelia - Frey's syndrome
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
Necrotizing vasculitis - Purpuric -haemorrhagic bullae
21. What are the taste branches of the facial nerve?
Urinary retention - Bruising - Pain - often very severe and patients should be discharged with adequate analgesia; chronic groin pain persists in 5% of patients - Haematoma - 10% - Ischaemic orchitis - 0.5%(prev. vasectomy predisposing cause and diss
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
Via chorda tympani to anterior two-thirds of the tongue
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?
22. Raynaud's phenomenon
Least common - Occurs on hairless skin - Irregular area of brown or black pigmentation
Weight loss - Change in bowel habit - Loss of appetite - Back pain
Characteristic cold-induced changes associated with vasospasm
Pregnancy - Ascites - Ovarian cysts - Fibroids - Bowel distension
23. What is the most common type of malignant melanoma?
Non-Surgical - mechanical pressure therapy(day and night for up to 1 year) and topical silicone gel sheets - Surgical : Revision of scar with closure by direct suturing - local Z-plasty or skin grafting to avoid excessive tension - Intralesional ster
Superficial spreading at 70% of malignant melanomas
The face can be affected in patients with: Syringomyelia - Frey's syndrome
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.
24. What about umbilical herniae in children?
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)
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
Minor defects in neonates are common but usually repair spontaneously. In children - umbilical herniae are mor common; they tend to have a narrow neck and folds of peritoneum stuck within this neck - which can occassionally strangulate. Most cases re
Solar keratosses are squamous cell carcinoma in situ
25. Describe the vascular supply of the transplanted kidney?
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26. What tissues do skin graft not take on?
Venous disease
Unhealthy -necrotic and infected tissue - Irradiated tissue - Exposed cortical bone without periosteum - Tendon without peritendon - Cartilage without perichondrium
Commonest form of thyroid abnormality - Secondary to hyperplasia of the gland to meet physiological demand for thyroxine - Secondary to defective production of thyroid hormone
Simple inversion and oversewing(diverticulopexy) - as pouch is left in situ - risk of missing a possible diverticular carcinoma - or diverticulectomy.
27. What other investigations can be done for Sjogren's syndrome?
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28. Why are 98% of varicocoeles left-side?
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
Rolled or raised edge - Often on sun-damaged skin
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
Axillary vein thrombosis - Damage to axillary drainage following surgery such as axillary dissection in breast surgery
29. What are the secretomotor branches of the facial nerve?
Chest x-ray to map the caudal extent of the cystic hygroma - CT/MRI scanning especially if it is complex
Have you noticed any change in the colour of your urine? Have you noticed any change in the colour of your stools? - Have you noticed yourself feeling itchy?
Via greater superficial petrosal nerve to lacrimal - nasal and palatine glands
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
30. How would you treat a cystic hygroma?
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
Axillary vein thrombosis - Damage to axillary drainage following surgery such as axillary dissection in breast surgery
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
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.
31. What is a chemodectoma?
A chemodectoma is a tumour of the paraganglion cells of the carotid body located at the bifurcation of the common carotid artery. They are usually benign(but locally invasive) - but occassionally - they are malignant with potential to metastasize to
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
The incompetent vein is at or above the level of the tourniquet
Urine should be tested for raised bilirubin - Full Blood Count - Evidence of anemia in GI malignancies or associated infection - Renal function - any evidence for hepatorenal syndrome - Liver Function Tests -Clotting - functional assessment of hepati
32. How would you treat a keratoacanthoma?
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
Non-Surgical : Leave alone if asymptomatic(particularly in young patients) - Surgical : Complete excision of lesion with histology(.
A dermatofibroma is a benign neoplasm of dermal fibroblasts.
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
33. What is the signifcance of an arterial bruit or venous hum over the liver?
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.
Mnemonic : LEGS - Lipodermatosclerosis - Eczema - Gaps in the skin i.e ulceration - active and healed - Swelling - pedal oedema
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
Simple mastectomy - Modified radical mastectomy(patey) - Radical mastectomy(Halsted mastectomy) - Extended radical mastectomy
34. How would you investigate a patient with a breast lump?
Cervical sympathectomy and amputation of the affected phalanges - Cervical sympathectomy may not be a permanent solution and may only relieve symptoms for 2 years or less - Amputate only if digits are threatened with gangrene
Triple assessment which consists of: Clinical : history and physical examination - Radiological : ultrasound or mammography - Pathological : cytology(fine-needle aspiration) or histological(tru-cut biopsy)
Should The Children Ever Find Lumps Readily
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
35. How would you manage a multinodular goitre?
Commonest form of thyroid abnormality - Secondary to hyperplasia of the gland to meet physiological demand for thyroxine - Secondary to defective production of thyroid hormone
Pressure effects - Deafness with involvement of the 8th cranial nerve - Sarcomatous transformation - Intra-abdominal effects - Skeletal changes
Ultrasound compression of the false aneurysm - Thrombin injection - Surgical repair - Observation and review
History and Clinical Examination - Investigate if prominent nodule or features suspicious of malignancy such as cervical lymphadenopathy or recurrent laryngeal nerve palsy
36. What is the arterial supply to the thyroid gland?
Clinical examination - Fine-needle aspiration which would show an opalescent fluid containing cholesterol crystals or pus.
Indications for amputation can be remembered as the 4Ds: Dead - ischemic - peripheral vascular disease - thromboangiitis obliterans - AV fistulae - Damaged - trauma - unsalvageable limbs - burns - frostbite - Dangerous - Malignancy - bone and soft ti
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
Superior thyroid artery - Inferior thyroid artery - Thyroidea ima(in 3% of people)
37. What side effect would you warn this patient about if considering cervical sympathectomy?
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38. What are the indications of mastectomy?
Raynaud's phenomenon - Thrombangiitis obliterans - Takayasu's arteritis
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 -
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
Bilateral subtotal thyroidectomy leaving approximately 4g of thyroid tissue on each side of the trachea
39. What are the specific complications of varicose veins surgery?
Increased platelet count and large platelets - Increased neutrophils - Nucleated red cells with Howell-Jolly bodies and target cell - Tend to mount more of a leukocytosis in response to infection
Wounds associated with - Infection - Trauma - Burns - Tension especially over the sternum such as after CABG - Wounds on certain areas of the body
Early - haematoma - Intermediate - Infection and nerve damage e.g saphenous in stripping - Late - Recurrence
Immediate : Facial nerve transection - Reactionary haemorrhage - Early : Wound infection - Temporary facial weakness -salivary fistula and division of the greater auricular nerve which means loss of sensation to the pinna - Late : Wound dimple - Frey
40. How is anaplastic carcinoma treated?
Treatment with radiotherapy and doxorubicin gives best survival of 1 year
Least common - Occurs on hairless skin - Irregular area of brown or black pigmentation
Mnemonic : LEGS - Lipodermatosclerosis - Eczema - Gaps in the skin i.e ulceration - active and healed - Swelling - pedal oedema
Pleomorphic adenoma(commonest) and Warthin's tumour
41. What are the other types of arteriovenous fistula?
Congenital - Multiple arteriovenous fistulae - Traumatic
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
Retro-orbital inflammation and lymphocytic infiltration leading to oedema and an increase in retrobulbar orbital contents
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.
42. What is the treatment of choice in differentiated thyroid cancer?
More worrying features for a tumour would include: Thick or irregular wall - Extensive calcification within the cavity or wall of the cyst - Multilocular cysts
Well-differentiated - Myxoid and round cell - Pleomorphic liposarcoma
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
Thyroidectomy
43. What are the extratemporal causes of facial nerve palsy?
Tumour - parotid gland malignancy - Trauma - surgical - accidental e.g facial lacerations
Angiolipomas - Hibernomas - Bannayan-Zonana 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
Vascular symptoms - Risk factors for arterial disease - Fitness for surgery
44. What are the specific and early complications of thyroidectomy?
A furuncle results from infection of hair follicles with Staphylococcus aureus
(H)infection - Hypoparathyroidism which leads to hypocalcemia
All patients should undergo triple assessment that is Clinical Examination - Radiological assessment usually ultrasonographic - Pathological - most commonly cytological following FNAC
True umbilical herniae occur through the umbilical scar and are usually congenital in origin and particulary common in patients of Afro-Caribbean origin
45. What is the surgical treatment of Graves disease?
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)
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
Bilateral subtotal thyroidectomy leaving approximately 4g of thyroid tissue on each side of the trachea
Investigation and treatment of concurrent abnormalities - Management of hypertension
46. What is an incisional hernia?
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
Mneumonic : LIST Lymphoma and Leukaemia - Infection(further subdivided into Bacterial - Viral - Protozoal and Toxoplasmosis) - Sarcoidosis - Tumours
Affect any age - Males = females - All races may be affected
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
47. How would you treat a patient with a single neurofibroma?
Jaundice is yellow discolouration of the skin and mucous membranes caused by the accumulation of bile pigments.
Small -punched out ulcers - Often over medial aspect of lower leg
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
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
48. How do carcinomas of the oesophagus present?
A seborrhoeic keratosis is a benign overgrowth of the basal cell layer of the epidermis.
Vascular symptoms - Risk factors for arterial disease - Fitness for surgery
The characteristic presentation is insidious with progressive weight-loss and dysphagia - The patient initally hass difficulty swallowing solids and often describes the food getting stuck in the lower part of the oesophagus - They may also describe o
10% per year
49. If the patient has noticed pale stools and dark urine - what other questions would you ask?
Scar confined to wound margins - It is found across flexor surfaces and skin creases
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 -
They are known as adiposis dolorosa or Dercum's disease.
Weight loss - Change in bowel habit - Loss of appetite - Back pain
50. Which patients might be considered for carotid endarterectomy?
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%
Iodine deficiency - Increased physiological demand - Goitrogens(less common) - Defects of thyroid hormone production
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
A dermoid cyst is a skin-lined cyst deep to the skin. They may be congenital or acquired.