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ALK-negative retroperitoneal inflammatory myofibroblastic tumor treated conservatively: case report
Fu-Xiang Lin1,2, Wei Wei1,2, Yi Yu1,2
1Department of Urology, The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine, No. 6 of Qinren Road, Foshan 528000, Guangdong, People's Republic of China.
Journal of Surgical Case Reports
|September 8, 2025
Summary
Medical management successfully treated an unresectable inflammatory myofibroblastic tumor (IMT). Prednisone and celecoxib therapy led to significant tumor regression in a patient with retroperitoneal IMT.
Area of Science:
- Oncology
- Urology
- Pathology
Background:
- Retroperitoneal masses can present with symptoms like flank pain and ureteral obstruction.
- Malignant retroperitoneal tumors often require aggressive treatment.
- Inflammatory myofibroblastic tumors (IMT) are rare neoplasms with variable clinical behavior.