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Indian Journal of Pathology and Oncology

Inflammatory myofibroblastic tumour of bladder: A case report

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Author Details: H.R. Chandrasekhar, Sunita Nyamagoudar, Seema Bijjaragi

Volume : 6

Issue : 1

Online ISSN : 2394-6792

Print ISSN : 2394-6784

Article First Page : 164

Article End Page : 166


Inflammatory myofibroblastic tumour (IMT) is a rare tumour with an unknown malignant potential. IMTs are known to occur in many sites. These tumours very rarely noted in bladder. It is important to distinguish this tumor from other malignant spindle cell tumors, such as the sarcomatoid variant of urothelial carcinoma and leiomyosarcoma. This distinction has clinical consequences because IMT is generally considered benign and treated with conservative management. Here we report a case of IMT in bladder in a 23 years old female who presented with a lower abdominal mass and abdominal pain. Histopathology revealed that muscularis propria of the bladder, was widely infiltrated by loosely arranged plump spindle shaped cells and immunohistochemistry was positive for both SMA (smooth muscle actin) and ALK1 (Anaplastic lymphoma kinase 1). So we present this case for its rarity and diagnostic uncertainty.

Keywords: Inflammatory myofibroblastic tumour, Bladder.

Doi :-https://doi.org/10.18231/2394-6792.2019.0032