Genital ulcer disease

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Nate Michalak, B.A.

Synonyms and keywords: GUD

Overview

Genital ulcer disease (GUD) can be defined as diseases characterized by genital, anal, or perianal lesions that are ulcerative or pustular. GUD is typically caused by sexually transmitted infections (STI) but also by other non-STI conditions.

Sexually transmitted diseases characterized as GUD include:

Other conditions that are not sexually transmitted infections that may be associated with genital, anal, and perianal lesions include:[1]

Differentiating Genital Ulcer Diseases

Sexually transmitted diseases characterized as GUD may present with similar manifestations and lesion characteristics. A diagnosis based only on the patient’s medical history and physical examination frequently is inaccurate. Patients who have genital, anal, or perianal ulcers should be evaluated with laboratory tests to make a definitive diagnosis. [1]

Clinical Characteristic Sexually Transmitted Disease
Chancroid Genital Herpes Donovanosis LGV Syphilis
Cause Haemophilus ducreyi Herpes Simplex Virus (HSV-1 & HSV-2) Klebsiella granulomatis Chlamydia trachomatis serovars L1, L2, or L3 Treponema pallidum
Lesion Type Papule evolving to ulcer Vesicle evolving to ulcer Ulcer progressing to granuloma Self-limited papule or ulcer Papule evolving to ulcer
Lesion Border Crater with irregular, sharp margins Circular, sharp margins on erythematous base Friable base with sharp, raised, rolled margin Shallow, smooth border Crater with raised edges, smooth margins
Lesion Distribution Single or multiple Multiple, in group/crop Single or multiple Single or herpetiform Multiple
Lesion Texture Soft Umbilicated Granulomatous Firm bump Indurated
Lesion Tenderness Present Present Absent Absent Absent
Lesion Exudate Grey/yellow purulent exudate Non-exudative Non-exudative but bleeds easily Non-exudative Non-exudative; non-fluctuant
Lymphadenopathy Present and tender in approx. half of patients (typically unilateral) Present and tender Absent from primary infection; pseudobuboes may occur Present and tender Present and non-tender (uni- or bilateral)

References

  1. 1.0 1.1 2015 Sexually Transmitted Diseases Treatment Guidelines. Centers for Disease Control and Prevention (June 4, 2015). http://www.cdc.gov/std/tg2015/genital-ulcers.htm Accessed February 2, 2016.