Case 136. Chlamydia trachomatis epididymitis (33 y-o M)

　 　 　 　
　 Surgical resection for left epididymal tumor without provoking active inflammatory host response 　
　 　 　 　

　

 　 The granulated cytoplasmic inclusions are immunoreactive for Chlamydia trachomatis antigen. Immunostaining is essential for making the diagnosis of chlamydial inflammation (immunostaining using a monoclonal antibody).