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4000 Surgery SuperSpeciality MCQS With answers and Explanations

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Gastrinoma diagnosis

Q) Gastrinoma false is (AIIMS GI 2020) 
a) Fasting sG 1000 g/ml
b) Duodenotomy should be done in all cases
c) Diarrhoea most common symptom
d) SRS can localize 80% cases

Ans  )  c -

Duodenotomy detects 25% to 30% of tumors not seen on preoperative imaging.

Gastrin  levels higher than 1000 pg/mL are strongly suggestive of gastrinoma, provided that the patient demonstrated increased gastric acid  secretion ( gastric secretion ph should be less than 2) 

Most common is abdominal pain ( 75%) In 10% to 20% of patients, diarrhea is the only symptom ( Saby page 954) 

SRS should be performed because almost all gastrinomas express somatostatin receptors.

2nd primary tumors

Q) In buccal mucosa cancer after surgery and CRT, after 2 year patient developed cancer at base of tongue with N3 nodes positive. Best line of management
A .Palliative RT
c. Rehabilitation
D.  Surgery followed CTRT

There are two parts to this questions 

a) Second Primary tumor (SPM)

b) Management of Base of tongue tumors with N3

Both are discussed here ---


Caustic Injuries of Esophagus

Q . Caustic injury of esophagus pick up the  false statement
a) Steroid is used 
b) Carcinoma risk  is 30%
c) Contrast study has false negative of 25%
d Esophageal stent reduce leaks by 75%

Ans ) a

Points of esophagus caustic injuries

There is no proven benefit of starting steroids in early or intermediate phase of injury as there is no evidence to support prevention of stricture

  1. Endoscopy should be performed after initial stabilization
  2. Complete esophagus can be examined now with flexible endoscopes
  3. Available studies show no benefit of steroid use ( skf PAGE 521) 
  4. Cancer risk is 30% in injured and non injured portions