Oncosurgery

Gastrinoma

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Q) Regarding gastrinoma what is true? ( # Questions on Endocrine Surgery) 

a) All gastrinomas express SRS receptors

b) In 30 % of cases gastrinomas are not localized intra operatively

c) Levels of serum  gastrin more than 100pg/ml are strongly suggestive of gastrinoma

d) Angiography with secretin stimulation is required in all cases for localization of gastrinoma

 

EUS in pancreatic cancer

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Q) What is true about the role of EUS in Carcinoma head of pancreas.

  • a) It has a sensitivity of 50-60% in detecting lesions less than 3 cm in size
  • b) It has a  high negative predictive  value
  • c) Chronic pancreatitis can be easily differentiated from Carcinoma head of pancreas by EUS
  • d) Small caliber needles have low accuracy than high caliber needles in FNAC
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Lymph node stations in Carcinoma stomach

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Q) In gastric cancer, lymph node station 12 corresponds to 

a) Common hepatic

b) Hepatoduodenal

c) Retropancreatic

d) Superior Mesenteric

Ans b

In gastric cancer, lymph node station 12 corresponds to the hepatoduodenal ligament lymph nodes.  These nodes are specifically located along the hepatoduodenal ligament and are further subdivided into groups based on their anatomical relationship: along the hepatic artery (12a), along the bile duct (12b), and behind the portal vein (12p)