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Choledochal cyst

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Q) Which of the following statement is false about classification of choledochal cyst ?

a) Type IV is also known as Caroli's disease

b) Type I choledochal cyst is the most common type

c) Type III is also called as choledochocele

d) Type II choledochal cyst is diverticular disease

NEET  MCH 2018 Questions Q no. 71-75

Ans ) a

Original classification of choledochal cysts was given by Alonso Lej and later modified by Todani. 

Type I most common and and is fusiform dilatation

Type II saccular diverticulum

Type III dilatation in the intramural duodenum also called choledochocele

Type IV 

IVa Both intrahepatic and extrahepatic biliary tree

IV b Multiple extrahepatic biliary

Type V - Caroli disease

Intrahepatic ducts only can be single or multiple

Ref Sabiston page 1510

Carbon Monoxide poisoning

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Q. Carbon monoxide poisoning true is 

a)  It is having 10 times more affinity than oxygen
b) 60 percent is not deadly.
c) . Concentration above 10% are dangerous and need observation
d)  Concentration above 10% are dangerous and need treatment with pure oxygen for more than 24 hours

d

Option A: Affinity of CO for Hb is 200-250 times that of oxygen. It causes a conformational change in Hb molecule and reduces affinity of Hb for O2, shifting the oxyhemoglobin dissociation curve to the left.

Option B: Concentrations less than 10% are usually asymptomatic. Concentrations >60% are fatal. Arterial carboxyhemoglobin level must be obtained because pulse oximetry can be falsely elevated.

Option C: Concentrations above 10 per cent are dangerous and need treatment with pure oxygen for more than 24 hours. Administration of 100% O2 reduces the half-life of CO from 250 minutes in room air to 40 to 60 minutes on 100% oxygen.

Timing after esophagus perforation

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Q) Management of esophagus perforation after 96  hours in a 40 year old patient with pulse 110/min and BP 110/80 Best option

a) Antibiotics and drainage of left pleural effusion

b) Primary repair of esophagus

c) Esophagectomy and gastric pull up

d) Cervical Esophagus diversion 

Questions on Esophagus

Discussion on all treatment modalities and which to use when

 

Fibrolamellar carcinoma of the liver

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Q) Fibrolamellar Carcinoma of the liver 

a) Occurs in the setting of cirrhosis

b) Has worse survival than Hepatocellular carcinoma

c) Can be followed up for long time

d) Seen in young females

Answer

Compartment syndrome of limb

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Compartment Syndrome of Limb – Free Surgery MCQ

Q) All are true about compartment syndrome of limb except?

a) Diagnosis is unlikely if pulse is felt distally
b) There is pain on passive stretching of the limb
c) Pain is out of proportion to the signs
d) Muscles of calf and forearm are commonly involved