Q1)All are treatment modalities for ca esophagus except?
a) chemotherapy
b) radiotherapy
c) surgery
d) laser abalation only
Q2) All are predisposing factors for Ca esophagus except
a) Tylosis
b) Columnar lined epithelium
c) Plummer Vinson Syndrome
d) H.pylori infection
Q3) All are predisposing for reflux esophagitis except
a)defective gastric reservoir
b)ineffective eso clearance
c) low lower esophageal sphincter pressure
d) h. pylori
Q4)Gas bloat syndrome is a complication of
a) Nissen
b) Belsey
c) Toupet
d) Watson
Q5)Largest endocrine organof the body is
a)pancreas
b)smalllgut
c)pituitary
d)thyroid
Answers
1)d
Esophgeal cancer treatment is a multimodal therapy which requires all three modalities, laser abalation only is done for very early ca esophagus when surgery is not possible and barrets esophagus
Nd:Yag laser is used 0.5cm to 1 cm from tumor margin
Good results are seen if tumor is <6cm,nonangulated, exophyti noncircumferential and in the mid or distal esophagus.
Schakelford363
2)d
h. pylori is for gastric ca only
3)d
3 main causes of gerd
i) les pressure <6mmhg, les overall length<2cm and intra-ab length <1cm
ii) ineffective esophageal clearance
iii)ineffective reservoir predisposes eso to gastric acid
Reff Maingot 10th 790
4) a
15% in nissen's due to360degree wrap
5) b
smallgut has all these neurohormones like neurotensin, bombesin etc
