Under the Microscope: How would you diagnose this case?

A 63 year-old woman with no significant medical history presented with dysphagia and odynophagia. Endoscopy revealed esophageal rings or “trachealization.” (Figure 1). A photomicrograph of the submitted biopsy material shows an infiltrate of chronic inflammatory cells (Figure 2). What is your diagnosis?

a) Normal esophageal mucosa. d) Candida esophagitis.
b) Lymphocytic esophagitis. e) Eosinophilic esophagitis.
c) Reflux esophagitis.

Answer: Lymphocytic esophagitis. See article