A sarcomatoid variant of urothelial carcinoma in the female urethral diverticulum has not been reported previously. A 66-year-old woman suffering from dysuria presented with a huge urethral mass invading the urinary bladder and vagina. Histopathological examination of the resected specimen revealed predominantly undifferentiated pleomorphic sarcoma with sclerosis. Only a small portion of conventional urothelial carcinoma was identified around the urethral diverticulum, which contained glandular epithelium and villous adenoma. The patient showed rapid systemic recurrence and resistance to immune checkpoint inhibitor therapy despite high expression of programmed cell death ligand-1. We report the first case of urethral diverticular carcinoma with sarcomatoid features.
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Reprint of: Female Urethral Carcinoma: A contemporary review of the clinicopathologic features, with emphasis on the histo-anatomic landmarks and potential staging issues Maria Sarah Lagarde-Lenon, Manju Aron Human Pathology.2023; 133: 126. CrossRef
Female Urethral Diverticula: a Contemporary Narrative Review of Aetiology, Diagnosis, and Treatment A. U. Nic an RÃogh, S. Monagas Arteaga, L. Tzelves, M. Karavitakis, A. K. Nambiar Current Bladder Dysfunction Reports.2022; 17(4): 250. CrossRef
Female urethral carcinoma: a contemporary review of the clinicopathologic features, with emphasis on the histoanatomic landmarks and potential staging issues Maria Sarah Lagarde-Lenon, Manju Aron Human Pathology.2022; 129: 71. CrossRef