Learn About Gumma

What is the definition of Gumma?

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

What are the causes of Gumma?

A gumma is caused by the bacteria that cause 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:

  • Bone
  • Brain
  • Heart
  • Skin
  • Testicles
  • Eyes

Similar-looking sores sometimes occur with tuberculosis.

Who are the top Gumma Local Doctors?
Elite in Gumma
Elite in Gumma
Tokyo, JP 

Hideyuki Akaza practices in Tokyo, Japan. Akaza is rated as an Elite expert by MediFind in the treatment of Gumma. Their top areas of expertise are Gumma, Prostate Cancer, Renal Cell Carcinoma (RCC), Orchiectomy, and Prostatectomy.

Elite in Gumma
Elite in Gumma
Takasaki, JP 

Ayako Sakamoto practices in Takasaki, Japan. Ms. Sakamoto is rated as an Elite expert by MediFind in the treatment of Gumma. Her top area of expertise is Gumma.

 
 
 
 
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Advanced in Gumma
Neurology | Ophthalmology
Advanced in Gumma
Neurology | Ophthalmology

Iu Health Medical Group LLC

1701 N Senate Blvd, 
Indianapolis, IN 
Languages Spoken:
English
Accepting New Patients

Melissa Ko is a Neurologist and an Ophthalmologist in Indianapolis, Indiana. Dr. Ko is rated as an Advanced provider by MediFind in the treatment of Gumma. Her top areas of expertise are Pseudotumor Cerebri Syndrome, Increased Intracranial Pressure, Meningitis, and Papilledema. Dr. Ko is currently accepting new patients.

What are the latest Gumma Clinical Trials?
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Who are the sources who wrote this article ?

Published Date: August 05, 2025
Published By: Jatin M. Vyas, MD, PhD, Roy and Diana Vagelos Professor in Medicine, Columbia University Vagelos College of Physicians and Surgeons, Division of Infectious Diseases, Department of Medicine, New York, NY. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Centers for Disease Control and Prevention website. Sexually transmitted infections treatment guidelines, 2021. www.cdc.gov/std/treatment-guidelines/default.htm. Updated June 13, 2023. Accessed August 21, 2025.

Dinulos JGH. Sexually transmitted bacterial infections. In: Dinulos JGH, ed. Habif's Clinical Dermatology. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 10.

Dionne JA, Ghanem KG. Syphilis and nonsyphilitic treponematoses. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 295.

Radolf JD, Salazar JC. Syphilis (Treponema pallidum). In: Blaser MJ, Cohen JI, Holland SM, et al, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 10th ed. Philadelphia, PA: Elsevier; 2026:chap 243.

Stary G, Stary A. Sexually transmitted infections. In: Bolognia JL, Schaffer JV, Cerroni L, eds. Dermatology. 5th ed. Philadelphia, PA: Elsevier; 2025:chap 82.