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Gumma

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 most often contains a mass of dead and swollen fiber-like tissue. It is most often seen in the liver. It also can occur in the:

Similar-looking sores sometimes occur with tuberculosis.

References

Eckert LO, Lentz GM. Infections of the lower genital tract: Vulva, vagina, cervix, toxic shock syndrome, endometritis, and salpingitis. In: Lentz GM, Lobo RA, Gershenson DM, Katz VL, eds. Comprehensive Gynecology. 6th ed. Philadelphia, PA: Elsevier Mosby; 2012:chap 23.

Radolf JD, Tramont EC, Salazar JC. Syphilis (Treponema pallidum). In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 8th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 239.

Workowski KA, Bolan GA; Centers for Disease Control and Prevention (CDC). Sexually transmitted diseases treatment guidelines, 2015. MMWR Recomm Rep. 2015;64(RR-03):1-137. PMID: 26042815 www.ncbi.nlm.nih.gov/pubmed/26042815.

Update Date 9/26/2015

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