Thyroid Questions

Q) Which of the following thyroid cancers do not take up radio active iodine

a) Medullary carcinoma thyroid

b) Papillary  carcinoma

c) Follicular carcinoma

d) Hurthle cell carcinoma

Free Answer

a - Medullary carcinoma

Medullary carcinoma of the thyroid is a tumor that arises from the C cells ie the parafollicular cells and not from cells of thyroid follicles.

These are not TSH dependent and hence do not take up radioactive iodine

Hurthle cell carcinoma is a variation of follicular carcinoma only.

In these tumors lymph node involvement is about 60%

Bailey page 769

 

Barrett esophagus

Q . Barrett's esophagus is a premalignant condition. Which of  the following statement is false regarding Barrett's esophagus

 a) Barrett's mucosa predisposes to Squamous cell carcinoma of esophagus

b) Risk of Cancer is 0.5% per year

c) Prevalence of Barrett's esophagus in general  population is  2-7%

d) Intestinal type of mucosa  with goblet cells is the most  common histopathological finding

Answer for Premium members

Peritonitis

Q) True statement regarding peritonitis is 

a) Raised serum amylase is only seen in pancreatitis

b) Rectal examination is better diagnostic of appendicitis than per abdominal examination

c) Ultrasound has diagnostic accuracy of 90% for diagnosing acute appendictis

d) Catarrhal appendicitis mostly leads to gangrene of appendix and perforation

Answer for premium members https://www.mcqsurgery.com/appendix

 

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