Case Report

Barrett’s Oesophagus in an Achalasia Patient: Immunological Analysis and Comparison with a Group of Achalasia Patients

Figure 2

CD4 effector T cells and regulatory cells in lower oesophageal sphincter. Representative photomicrograph from control (healthy donor, (a)), type II achalasia (b), and Barrett’s oesophagus/type II achalasia patient (c). Arrows depict immunoreactive cells. Original magnification was ×320.
(a)
(b)
(c)