Browsing by Subject "inflammatory myofibroblastic tumor"

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    Rare entities in urinary bladder pathology
    (2015-02) Lopez-Beltran, Antonio; Marques, Rita C.; Montironi, Rodolfo; Reymundo, Carlos; Fonseca, Jorge; Cheng, Liang; Department of Pathology and Laboratory Medicine, IU School of Medicine
    Bladder carcinoma with variant histology is a subject of recent interest, with data suggesting more aggressive behavior when compared with conventional urothelial carcinoma. The timely identification and recognition of these histological variants should avoid their misinterpretation as benign lesions. We emphasize the need to recognize these peculiar morphologic features since some of them may require a different/specific therapeutic approach. Other rare entities such as bladder polyps and myofibroblastic proliferations tend to occur at a younger age and represent specific problems in the differential diagnosis. We describe the salient clinicopathologic features of representative rare entities arising in the urinary bladder.
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    Spontaneous resolution of inflammatory myofibroblastic tumor of the kidney
    (2014-12) Calaway, Adam C.; Gondim, Dibson; Idrees, Muhammad; Boris, Ronald S.; Department of Urology, IU School of Medicine
    Inflammatory myofibroblastic tumor (IMT) of the kidney is a rare and benign condition often confused with renal malignancy based on clinical presentation and radiologic evaluation that has commonly been treated with nephrectomy. Utilizing renal mass biopsy to help diagnose and guide therapeutic intervention is increasing but has not been universally adopted to this point. We present a case of an incidentally found atypical renal mass in a 71-year-old female diagnosed as inflammatory myofibroblastic tumor of the kidney after core needle biopsy. This tumor was managed conservatively without surgical intervention and resolved spontaneously.