Diagnostic yield of stains for infectious organisms in esophageal or gastroesophageal junction biopsies with esophagitis
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Stains frequently performed to exclude infectious etiologies in esophagitis include Grocott methenamine silver (GMS) and periodic acid-Schiff (PAS) as well as immunohistochemistry (IHC) assays for cytomegalovirus (CMV) and herpes simplex virus (HSV). The diagn... ...