Adamantinoma-like Ewing sarcoma of the bladder.

BMJ Case RepOct 6, 2026 (epub)
Case ReportOncology (Medical)UrologyPathology (Anatomic & Clinical)

Craig Cronin, Soum D Lokeshwar, Carla Calagua et al.

✦ AI-curated · Sources linked

Case in brief

A patient presented with a bladder tumor initially diagnosed as urothelial carcinoma following transurethral resection. After receiving neoadjuvant chemotherapy with methotrexate, vinblastine, doxorubicin, and cisplatin, the patient underwent radical cystoprostatectomy. Pathological examination revealed the tumor to be adamantinoma-like Ewing sarcoma, with no residual urothelial carcinoma detected.

Diagnostic / clinical pearl

Clinicians should consider the possibility of rare neoplasms like adamantinoma-like Ewing sarcoma in atypical bladder tumors, especially when initial diagnoses do not align with treatment responses.

Source

PubMed · PMID 42838705

Published in BMJ Case Rep. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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