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Gumma

Definition

A gumma is a soft, tumor-like growth of the tissues (granuloma) that occurs in people with syphilis.

Causes

A gumma is caused by the bacteria that causes syphilis. It appears during late-stage tertiary syphilis. It usually contains a mass of dead and swollen fiber-like tissue, and occurs most often in the liver. It also can occur in the:

  • Bone
  • Brain
  • Heart
  • Skin
  • Testis
  • Eyes

Similar-looking sores sometimes occur with tuberculosis.

References

Tramont EC, Treponema pallidum (Syphilis). In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, PA: Elsevier Churchill Livingstone; 2009:chap 238.

Workowski KA, Berman S; Centers for Disease Control and Prevention (CDC). Sexually transmitted diseases treatment guidelines, 2010. MMWR Recomm Rep. 2010 Dec 17;59(RR-12):1-110.

Eckert LO, Lentz GM. Infections of the lower genital tract: Vulva, vagina, cervix, toxic shock syndrome, HIV infections. In: Katz VL, Lentz GM, Lobo RA, Gershenson DM, eds. Comprehensive Gynecology. 5th ed. Philadelphia, PA: Mosby Elsevier; 2007:chap 22.


Review Date: 8/5/2013
Reviewed By: Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.
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