label: Esophageal Carcinoma Cuniculatum
label_lc: esophageal carcinoma cuniculatum
description: An extremely rare, well-differentiated squamous cell carcinoma that arises from the esophagus. It is characterized by the presence of hyperkeratosis, acanthosis, dyskeratosis, keratin-filled cysts, koilocyte-like cells, intraepithelial neutrophils, and focal cytologic atypia.