Inflammatory Myofibroblastic Tumor of the Urinary Bladder: A Case Report

Gass, Jaime; Beaghler, Marc A.; Kwon, Meeae Y.

doi:10.1089/cren.2018.0096

Cited by 7 publications

(8 citation statements)

References 4 publications

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“…In general, it has been recommended to resect the tumor completely to avoid local recurrence. However, there are some reports on the tumors treated by anti-inflammatory drugs without radical treatment 3 . Our case was not responded to partial cystectomy.…”

Section: Discussioncontrasting

confidence: 55%

“…According to the World Health Organization (WHO) classification, IMTs are designated as tumors of intermediate biological potential due to the low risk of distant metastasis 3 . IMTs tend to have benign morphological appearances, whereas they can be aggressive.…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, its differential diagnosis from other malignant spindle cell tumors including sarcomatoid carcinoma and leiomyosarcoma is essential in order to provide better treatment strategies and enhanced outcomes. It seems that IMTs are reactive condition and their recurrence after complete surgical resection is unusual 3 …”

Section: Discussionmentioning

confidence: 99%

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Radical cystectomy for management of inflammatory myofibroblastic tumor of the urinary bladder: A rare case report

Ayati

Nowroozi

Momeni

et al. 2019

Urology Case Reports

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Inflammatory myofibroblastic tumor (IMT) of the bladder also known as pseudosarcomatous myofibroblastic proliferation is a rare lesion in the genitourinary tract was first described in 1980 by Roth. We herein report a case of urinary bladder IMT in a 42-year-old female patient presented with gross hematuria. The hematuria was difficult to control and radical treatment has been done. Monitoring for recurrence is strongly advisable.

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Section: Discussioncontrasting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

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Radical cystectomy for management of inflammatory myofibroblastic tumor of the urinary bladder: A rare case report

Ayati

Nowroozi

Momeni

et al. 2019

Urology Case Reports

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“…Currently, surgery will provide the greatest benefit for this condition, and the clinical treatment of IMTUB is highly individualized, and the common surgical methods include transurethral resection of bladder tumor (TURBT), partial cystectomy and radical cystectomy. Some researchers have performed intravesical instillation of anti-inflammatory drugs, but no clinical significance has been established ( 12 ). The WHO classifies IMTUB as a tumor with intermediate biological potential ( 13 ), with a metastasis and recurrence rate as low as 4%, but its potential for metastasis and recurrence remains a source of contention ( 14 ).…”

Section: Discussionmentioning

confidence: 99%

Case report: Emergency management of spontaneous rupture of the inflammatory myofibroblastic tumor of the urinary bladder

Sun

Liu²,

Guo³

et al. 2022

Front. Oncol.

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Acute abdomen caused by spontaneous rupture of the inflammatory myofibroblastic tumor of the urinary bladder (IMTUB) is a rare clinical emergency of the urinary system.It is difficult to distinguish it from spontaneous rupture of bladder caused by other causes before surgery. An emergency case of spontaneous rupture of IMTUB was reported. A 57-year-old middle-aged woman was admitted to the hospital because of “acute lower abdominal pain for 5 hours”. No history of smoking and gross hematuria. The physical examination revealed visible abdominal tenderness as well as signs of shock. A pelvic CT scan shows a space-occupying lesion above the bladder with massive accumulation of blood. When the nature of the tumor could not be determined, emergency laparotomy and partial cystectomy were performed, and postoperative pathology confirmed cystitis myofibroblastic tumor. No local recurrence or distant metastasis of the tumor was observed during the regular follow-up period of 6 months. IMTUB should focus on prevention and treatment, with a combination of preoperative examination and postoperative pathology, and finally implement highly individualized treatment.

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“…An IMT diagnosis is characterized by the lymphocytic infiltrate and spindle myoepithelial cell proliferation (7). Coffin et al (8) described the IMT with three different histological patterns, which may be present simultaneously within a single specimen.…”

Section: Introductionmentioning

confidence: 99%

Inflammatory myofibroblastic tumor of the bladder: Computed tomographic features

et al. 2023

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Inflammatory myofibroblastic tumor (IMT) is a rare tumor with intermediate biologic potential, in which lack of understanding often poses difficulties in preoperative diagnosis and treatment. The aim of the present study was to characterize the computed tomography (CT) features of the bladder IMT. The CT images of nine pathologically confirmed bladder IMT were retrospectively reviewed. All patients underwent both unenhanced CT and contrast-enhanced CT. The diameter, location, contour, growth pattern, margin, boundary, density and enhancement pattern of the lesions were assessed. The mean Ki67 value of an irregular blood clot was 18% and that of no blood clot was 12%. A total of eight (89%) patients had one tumor and 1 (11%) patient had multiple tumors. An endophytic growth pattern was observed in 4 (44%) patients, an exophytic growth pattern in 2 (22%) patients, and a mixed growth pattern in 3 (33%) patients. The tumor manifests morphologically as either polypoid (n=5), or cauliflower-like (n=1) soft-tissue mass with a wide base in the cavity, or a limited thick-walled (n=3). The tumor margins were smooth (n=8) or lobulated (n=1), and the tumor boundaries were either clear (n=7) or ill-defined (n=2). The lesions showed either ring-shaped (n=3) or heterogeneous (n=6). The polypoid and cauliflower-like soft-tissue mass showed a symmetrical change in the center of the lesion after enhancement. The bladder IMT is mostly a single polypoid nodule in the superior wall, mostly endophytic growth, with ring-haped enhancement and symmetrical change after enhancement as its characteristic manifestations.

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Inflammatory Myofibroblastic Tumor of the Urinary Bladder: A Case Report

Cited by 7 publications

References 4 publications

Radical cystectomy for management of inflammatory myofibroblastic tumor of the urinary bladder: A rare case report

Radical cystectomy for management of inflammatory myofibroblastic tumor of the urinary bladder: A rare case report

Case report: Emergency management of spontaneous rupture of the inflammatory myofibroblastic tumor of the urinary bladder

Inflammatory myofibroblastic tumor of the bladder: Computed tomographic features

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