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Updated: Oct 8, 2026
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An Orthotopic Bladder Tumor Model and the Evaluation of Intravesical saRNA Treatment
Published on: July 28, 2012
Adamantinoma-like Ewing sarcoma of the bladder
Craig Cronin1, Soum D Lokeshwar2, Carla Calagua2
1The James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, Maryland, USA ccroni12@jh.edu.
BMJ Case Reports
|October 6, 2026
Abstract:
Adamantinoma-like Ewing sarcoma (ALES) is an exceedingly rare neoplasm, typically arising in the head and neck. We present a case of bladder tumour initially diagnosed as urothelial carcinoma on transurethral resection, which after neoadjuvant dose-dense methotrexate, vinblastine, doxorubicin and cisplatin and subsequent radical cystoprostatectomy was reclassified as ALES with no residual urothelial carcinoma.