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Sarcomatoid urothelial carcinoma of the bladder with osseous metaplasia: bone in urinary bladder
  1. Bharti Varshney1,
  2. Gautam Ram Choudhary2,
  3. Taruna Yadav3 and
  4. Aasma Nalwa1
  1. 1Pathology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
  2. 2Urology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
  3. 3Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
  1. Correspondence to Dr Aasma Nalwa; aasmanalwa{at}


Sarcomatoid urothelial carcinoma is a rare aggressive malignant neoplasm of the urinary bladder. It usually presents at an advanced stage and thus carries a poor prognosis. These tumours are usually managed with multimodal therapies such as cystectomy and chemotherapy. In the present case, a 72-year-old man presented with gross haematuria and was diagnosed as sarcomatoid urothelial carcinoma with chondrosarcomatous differentiation and extensive stromal osseous metaplasia. The patient was managed with transurethral resection of bladder tumour (TURBT), followed by intravesical chemotherapy. The patient is doing well post 14 months follow-up. Hence, complete TURBT with chemotherapy is also a viable option for patients who prefer to preserve bladder.

  • urological cancer
  • urological surgery
  • hematuria
  • pathology

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  • Contributors BV, GRC, TY and AN were involved in the diagnosis of disease and writing the initial draft of the manuscript. All authors contributed to refine the study and approved the final manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.