Best site for taking biopsy for viral esophagitis is
Refer Robbins page no 768 Herpes virus typically cause punched out ulcers the nuclear inclusions of herpes virus arr found in a narrow rim of degenerating epithelial cells at the margin of ulcer For biopsy should be taken from edge of ulcer in HSV and base of ulcer in CMV
Edge of ulcer
Base of ulcer
Adjacent induratrd area around ulcer
Surrounding normal mucosa
G.I.T