Syphilitic and lymphogranuloma venereum (LGV) proctocolitis: Clues to a frequently missed diagnosis

Christina A. Arnold, Berkeley N. Limketkai, Peter B Illei, Elizabeth A Montgomery, Lysandra Voltaggio

Research output: Contribution to journalArticle

Abstract

A rising incidence of syphilis and lymphogranuloma venereum (LGV) underscores the importance of recognizing these sexually transmitted infections (STI) in routine anocolonic biopsies. To increase awareness of their morphologic manifestations, we undertook a clinicopathologic study of our experience: syphilis (7 patients, 7 specimens), LGV (2 patients, 4 specimens), and syphilis/LGV (1 patient, 3 specimens). The diagnoses of all study specimens were confirmed with pertinent clinical studies. All study patients were human immunodeficiency virus positive, and all 9 with available history were men who have sex with men. The majority presented with bleeding (9), pain (6), and tenesmus (4). Ulcerations were the most common endoscopic abnormality (7), whereas mass lesions were confined to the syphilis group (4). None of the initial impressions included LGV, and syphilis was prospectively suggested only by pathologists (6 of 8) without the knowledge of clinical information and on the basis of morphology. Alternative impressions included condyloma acuminatum (3), inflammatory bowel disease (3), and malignancy (2), among others. All study specimens shared the following histologic core features: an intense lymphohistiocytic infiltrate with prominent plasma cells and lymphoid aggregates, only mild to moderate acute inflammation, minimal basal plasmacytosis and crypt distortion, and only rare granulomas and Paneth cell metaplasia. The spirochetes were focally demonstrated on a Treponema pallidum immunohistochemical stain (1) but not on silver stains (3). All patients with available follow-up data showed resolution of symptoms and imaging abnormalities after STI therapy (6). In summary, we report a unique pattern of STI proctocolitis consistently identified in patients with serologically confirmed syphilis and/or LGV infection; pertinent STI therapy leads to resolution of clinical abnormalities. This histologic pattern is important to recognize for timely treatment, for prevention of onward STI transmission, and to avoid the diagnostic pitfalls of inflammatory bowel disease or malignancy.

Original languageEnglish (US)
Pages (from-to)38-46
Number of pages9
JournalAmerican Journal of Surgical Pathology
Volume37
Issue number1
DOIs
StatePublished - Jan 2013

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Lymphogranuloma Venereum
Proctocolitis
Syphilis
Sexually Transmitted Diseases
Coloring Agents
Paneth Cells
Treponema pallidum
Condylomata Acuminata
Spirochaetales
Infectious Disease Transmission
Metaplasia
Plasma Cells
Granuloma
Inflammatory Bowel Diseases
Silver
Neoplasms
Therapeutics
History
HIV
Hemorrhage

Keywords

  • Chlamydia trachomatis
  • fluorescent treponemal antibody absorbed (FTA-ABS)
  • human immunodeficiency virus (HIV)
  • inflammatory bowel disease (IBD)
  • lymphogranuloma venereum (LGV)
  • men who have sex with men (MSM)
  • proctocolitis
  • sexually transmitted infections (STI)
  • syphilis
  • Treponema pallidum

ASJC Scopus subject areas

  • Anatomy
  • Pathology and Forensic Medicine
  • Surgery

Cite this

Syphilitic and lymphogranuloma venereum (LGV) proctocolitis : Clues to a frequently missed diagnosis. / Arnold, Christina A.; Limketkai, Berkeley N.; Illei, Peter B; Montgomery, Elizabeth A; Voltaggio, Lysandra.

In: American Journal of Surgical Pathology, Vol. 37, No. 1, 01.2013, p. 38-46.

Research output: Contribution to journalArticle

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