label: Esophageal Basal Cell Hyperplasia
label_lc: esophageal basal cell hyperplasia
description: A reactive (non-neoplastic) hyperplastic process affecting the esophageal squamous epithelium that is caused by inflammation.  Morphologically it involves more than 15% of the thickness of the esophageal squamous epithelium.  Its association with an increase risk of developing squamous cell carcinoma remains controversial.