Urogenit Tract Infect.  2015 Oct;10(2):126-129. 10.14777/uti.2015.10.2.126.

Penile Mass Caused by Mycobacterium tuberculosis

Affiliations
  • 1Department of Urology, Yonsei University Wonju College of Medicine, Wonju, Korea. geneuro95@yonsei.ac.kr
  • 2Department of Pathology, Yonsei University Wonju College of Medicine, Wonju, Korea.

Abstract

Tuberculosis of the penis is rare. The clinical features of penile tuberculosis are usually manifested as ulceration or scars. However, the authors encountered a case of penile tuberculosis that presented as a mass. A painless nodule at the base of the penis was noted in a 63-year-old male patient. Surgical excision was recommended, and pathologic finding revealed granulomatous inflammation in the mass. Acid fast bacilli stain and culture were negative, but a positive result was found in urine polymerase chain reaction for detection of Mycobacterium tuberculosis. He was diagnosed with tuberculosis of the penis and underwent anti-tuberculosis chemotherapy.

Keyword

Penis; Tuberculosis; Male genital tuberculosis

MeSH Terms

Cicatrix
Drug Therapy
Humans
Inflammation
Male
Middle Aged
Mycobacterium tuberculosis*
Mycobacterium*
Penis
Polymerase Chain Reaction
Tuberculosis
Tuberculosis, Male Genital
Ulcer

Figure

  • Fig. 1. Abdomino-pelvic computed tomography showed a 15×15×17 mm sized non-enhancing cystic mass with wall enhancement on the dorsal aspect of the penis base (arrow).

  • Fig. 2. Penile ultrasonography showed a 15×8×17 mm sized heterogeneous hypoechoic mass with irregular wall thickening in the penile base.

  • Fig. 3. Multiple diverticulums in the vicinity of the ejaculatory duct (arrow) were observed on verumontanum intraoperative cystoscopy.

  • Fig. 4. Histologically, well circumscribed nodules contain chronic granulomatous inflammation with caseous necrosis (arrows) (H&E stain, ×400).


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