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What is 40 year-old immunocompromized came with C/o dysphagia.  UGI scopy showed multiple ulcers in the distal esophagus.  Biopsy from the esophagus showed the following.  What is the diagnosis? and explain in detail?
Ref. Robbins Pathology 9th edition, page. 280
 
Lets see it one by one
To solve -

Candida – No whitish discharge – No spore on microscopy – Ruled out
Herpes – Yes can produce multiple ulcers, but herpes will have multinucleation and groud glass eosinophilic inclusion – Ruled out
Eosinophilic esophagitis – You are not seeing classical clusters of eosinophil
CMV – intranuuclear blue inclusions – yes, immunocompromised person, yes.