Indian Journal of Urology
: 2001  |  Volume : 18  |  Issue : 1  |  Page : 79--80

Desmoid tumour of urinary bladder - a case report

Sushil S Rathi, Ashish V Rawandale, Atul B Soni, Harshad M Punjani 
 Department of Urology, Bombay Hospital Institute of Medical Sciences, Mumbai, India

Correspondence Address:
Harshad M Punjani
Room No. 107, 1st floor, MRC-New Wing, Bombay Hospital, 12, New Marine Lines, Mumbai - 400020

How to cite this article:
Rathi SS, Rawandale AV, Soni AB, Punjani HM. Desmoid tumour of urinary bladder - a case report.Indian J Urol 2001;18:79-80

How to cite this URL:
Rathi SS, Rawandale AV, Soni AB, Punjani HM. Desmoid tumour of urinary bladder - a case report. Indian J Urol [serial online] 2001 [cited 2021 Jun 13 ];18:79-80
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 Case Report

A 44-year-old male. chronic smoker. working in a dye industry for 14 years presented with obstructive voiding symptoms. Abdominal and rectal examination was normal. Ultrasonography revealed 3.9 x 3.0 cm bladder mass along right posterolateral wall. CT scan showed a welldefined, smooth-surfaced soft tissue mass arising from right posterolateral bladder wall showing mild enhancement on injection of contrast. There was no lymphadenopathy or perivesical infiltration. Metastatic evaluation was unremarkable. Cystoscopy revealed a mass on right posterolateral wall with a broad pedicle, bosselated surface and intact mucosa. Rest of the bladder was normal and there was no outlet obstruction. Biopsy was deferred in view of well circumscribed nature of the lesion. Partial cystectomy was performed to excise the mass with adequate margin of normal bladder. On gross examination. mass was well circumscribed, broad based, nodular, firm and pale tan. It cut with a gritty sensation and showed a capsulated mass of grayish white tissue. Microscopy showed interlacing fascicles of spindle cells possessing bright acidophilic cytoplasm and elongated plump nuclei. No mitotic activity or nuclear anaplasia was seen. Cells were intimately associated with broad, glassy bands of collagen. Diagnosis of Desmoid tumour of urinary bladder was thus made.


Desmoid tumour of urinary bladder is not reported in literature. Smoking and chemical exposure are not associated with intra-abdominal desmoid tumours. Differential diagnosis included spindle cell sarcoma and pseudosarcomatous fibrornyxoid tumour[1] The former shows nuclear anaplasia and mitotic activity and latter follows injury to bladder and shows myxoid component, a few mitoses and inflammatory infiltrate.[2],[3] The tumour reported here did not show these features. The patient needs a close follow-up because of recurrence reported with Desmoid tumours


1Kim DH, Goldsmith HS, Quan SH et al. Intra-abdominal desmoid tumor. Cancer 1971: 27: 1041.
2Ro JY, Ayala AG, Ordonez NG, Swanson DA, Babaian RJ. Pseudosarcomatous fibromyxoid tumour of the urinary bladder. Am J Clin Pathol 1986: 86: 583-590.
3Huang WL. Rojy. Grignon DJ et al. Post-operative spindle cell nodule of the prostate and bladder. J Urol 1990: 143: 824-826.