Urachal inflammatory myofibroblastic tumor: a case report - Takeaways - MDSpire
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Case Study of an Inflammatory Myofibroblastic Tumor Involving the Urachus

  • By

  • Jiafu Liu

  • Ran Wei

  • Xiaoxing Miao

  • Jinbo Han

  • Jie Wang

  • August 11, 2026

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  • 1

    Inflammatory myofibroblastic tumor (IMT) is a rare neoplasm, with urachal involvement being particularly uncommon.

  • 2

    A 62-year-old female presented with urinary frequency and dysuria, leading to the discovery of a urachal mass via imaging.

  • 3

    Surgical intervention involved laparoscopic resection of the urachal mass and partial cystectomy, confirming IMT through histopathology.

  • 4

    Histopathological analysis showed spindle-shaped cells and positivity for ALK and vimentin, with negative margins achieved.

  • 5

    At 3-month follow-up, imaging revealed no signs of recurrence, and the patient reported resolution of urinary symptoms.

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