Abstract
We describe the clinical and pathologic features of a hitherto unreported finding in patients with esophagitis: the presence of multinucleated squamous epithelial giant cells simulating viral cytopathic effect and/or dysplasia. Routinely processed hematoxylin and eosin (H&E)-stained slides of esophageal mucosal biopsies from 14 patients with both active esophagitis and multinucleated epithelial giant cells were evaluated for a variety of inflammatory and epithelial features. Clinical, endoscopic, and follow-up data were collected and correlated with the histologic findings. Immunostaining (ABC method) for cytokeratin AE1/AE3, S-100, MIB-1, herpes simplex virus 1 and 2 (HSV), cytomegalovirus (CMV), as well as DNA in situ hybridization for human papilloma virus (HPV-ISH) was performed in all cases. Electron microscopic evaluation for viral particles was performed in three cases. The study group consisted of nine men and five women (mean age 59 years; range 23-87 years; 12 white, one black, one Hispanic). Patients presented with dysphagia or odynophagia (n = 5), upper gastrointestinal bleeding (n = 5), heartburn (n = 2), or abdominal pain (n = 2). The etiology of esophagitis was attributed to gastroesophageal reflux in 10, radioth...Continue Reading
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