case_images: PMC2779291_01
case_images: (A, B) Sigmoidoscopic findings indicate the rectal chancres located on the posterior wall of the rectum (broad arrow and narrow arrow). (C, D) Follow-up sigmoidoscopy after 1 month reveals complete regression.
case_images: jkms-20-886-g001.jpg
case_images: PMC2779291_01_jkms-20-886-g001.jpg
case_images: F1
case_images: Sigmoidoscopy in our gastrointestinal endoscopy unit showed two indurated masses of 1.5 to 2 cm on the posterior wall of the middle and lower rectum (Fig. 1A). Follow-up sigmoidoscopy after 1 month showed nearly complete regression of the chancre (Fig. 1B).
case_images: (A) Rectal mucosa showing obliterative endarteritis with heavy plasma cell infiltration. (B) Inguinal lymph node showing obliterative endarteritis with heavy plasma cell infiltration.
case_images: jkms-20-886-g002.jpg
case_images: PMC2779291_01_jkms-20-886-g002.jpg
case_images: F2
case_images: Histologic findings of rectal biopsy showed heavy lymphoid hyperplasia without neoplastic changes (Fig. 2A). Additional histologic findings of the left inguinal mass were the same (Fig. 2B).