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A Case of Asymptomatic Syphilitic Proctitis

Allan-Blitz, Lao-Tzu, MD*†; Beaird, Omer E., MD; Dry, Sarah M., MD§; Kaneshiro, Marc, MD; Klausner, Jeffrey D., MD, MPH‡**

Sexually Transmitted Diseases: June 2019 - Volume 46 - Issue 6 - p e68–e69
doi: 10.1097/OLQ.0000000000000955
Case Report

The incidence of syphilis is increasing. Syphilitic proctitis involving the rectal mucosa often presents with pain on defecation, rectal bleeding, or ulceration. We present a case of asymptomatic syphilitic proctitis diagnosed upon a routine screening colonoscopy.

We report a case of asymptomatic syphilitic proctitis diagnosed on routine colonoscopy and confirmed with high serologic titers for Treponema pallidum.

From the *Department of Medicine, Brigham and Women's Hospital;

Department of Medicine, Children's Hospital of Boston, Boston, MA,

Division of Infectious Diseases,

§Department of Pathology and Laboratory Medicine, David Geffen School of Medicine,

Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Gastroentrology, and

**Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA

Source of Funding: This research was supported by the University of California, Los Angeles, CA.

Conflict of Interest: None declared.

Correspondence: Lao-Tzu Allan-Blitz, Department of Medicine, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115. E-mail:; Jeffrey D. Klausner, Department of Medicine, Infectious Diseases, 10833 Le Conte Ave, Los Angeles, CA 90095. E-mail:

Received for publication October 1, 2018, and accepted November 20, 2018.

© Copyright 2019 American Sexually Transmitted Diseases Association