title: Isolated urachal malakoplakia mimicking malignancy.
abstract: Malakoplakia is an unusual inflammatory disease with uncertain pathogenesis affecting any organ in the body, but predominantly genitourinary tract, with specific predilection to the bladder. We report a rare case of isolated malakoplakia of the urachus in a 29-year-old male patient who presented with lower urinary tract symptoms without any hematuria. Investigations revealed sterile pyuria with no bacterial growth in urine. Radiological investigations revealed a mass in the urachal region. The patient underwent cystoscopy with biopsy followed by pelvic lymph node dissection and partial cystectomy with excision of the urachal mass. Histopathological examination of the mass revealed malakoplakia. Postoperative course was uneventful. To the best of our knowledge, this is the first ever case report of isolated urachal malakoplakia without any concomitant malignancy or bladder involvement reported in our country and one of the very few reported worldwide.
authors.affiliation: Department of Urology, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India.
authors.forename: Saisriharsha
authors.initials: S
authors.lastname: Pakalapati
authors.affiliation: Department of Urology, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India.
authors.forename: Sanjay
authors.initials: S
authors.lastname: Parachuri
authors.affiliation: Department of Urology, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India.
authors.forename: Venkateshwara Rao
authors.initials: VR
authors.lastname: Kakarla
authors.affiliation: Department of Urology, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India.
authors.forename: Mahesh Babu
authors.initials: MB
authors.lastname: Byrappa
keywords: Malakoplakia; Michaelis–Gutmann bodies; Von Hansemann histiocytes; urachal mass