From:  A unique association between herpes simplex esophagitis and eosinophilic esophagitis: a case report

 Summary of diagnostic evaluations, results, and interpretations.

TestResultNormal/referenceInterpretation
EGDLA Grade B reflux esophagitis; no bleeding.N/AEndoscopic evidence of esophagitis
Esophageal biopsy (HSV features)Morphologic features of herpesvirus infection on hematoxylin and eosin staining (multinucleation, nuclear molding, and intranuclear inclusions); HSV immunohistochemistry and polymerase chain reaction were not performed.No viral cytopathic changesConsistent with herpes simplex esophagitis
Esophageal biopsy (eosinophilia)Prominent eosinophilic infiltrate, peak 135 eos/hpf.Typically < 15 eos/hpfConsistent with eosinophilic esophagitis

EGD: esophagogastroduodenoscopy; HSV: herpes simplex virus.