Multiparametric ultrasound findings of tuberculous orchitis following bacillus Calmette-Guérin therapy

Le résumé fourni par la source

Granulomatous bacillus Calmette-Guérin (BCG) infection, both localized and disseminated, as a complication of intravesical therapy for transitional cell carcinoma of the bladder is a recognized but highly unusual phenomenon. We report the case of an 89-year-old gentleman with a history of bladder transitional cell carcinoma and subsequent intravesical BCG instillation of the bladder who presented to his general practitioner with a non-tender lump in his left testis. Histopathologic and microbiological evaluation of the subsequent orchidectomy specimen revealed granuloma formation secondary to BCG infection. The use of bubble contrast agents and elastography in ultrasound to evaluate focal testicular lesions is a relatively novel concept, and we aim to highlight the imaging features of testicular BCG infection using these techniques.

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