This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Punched out Ulcer in Esophagus on Endoscopy in a Immunocompromised patient is seen in 
Select and explain. 
A. Herpes simplex, B. Herpes Zoster virus, C. CMV, D. Candidiasis
A: Herpes simplex
Answer: A: Herpes simplex 
Explanation: Herpes Simplex Esophagitis: - * Common in Immunocompromised patients. * Characterised by small raised herpetic vesicles few days before on the lips. * Endoscopy reveals- Vesicles and small ulcers with raised margins (Punched out) usually in upper half of esophagus. Ref:- Bailey and Love 27th Edition; Pg num:- 1104