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Iran J Radiol. 2016 Jan 30;13(1):e12991. doi: 10.5812/iranjradiol.12991. eCollection 2016 Jan.

Follow-Up Imaging of Inflammatory Myofibroblastic Tumor of the Uterus and Its Spontaneous Regression.

Author information

1
Center for Radiology and MRI, Clinical Center of Serbia, Medical Faculty, Belgrade University, Belgrade, Serbia.
2
Institute of Oncology and Radiology, Medical Faculty, Belgrade University, Belgrade, Serbia.
3
Urological Clinic, Clinical Center of Serbia, Belgrade, Serbia.
4
Gynecological Clinic, Clinical Center of Serbia, Medical Faculty, Belgrade University, Belgrade, Serbia.

Abstract

Inflammatory myofibroblastic tumor (IMT) is an aggressive benign mass that may arise from various tissues and organs with a great variability of histological and clinical appearances. Due to variable and nonspecific imaging findings, diagnosis of IMT is not obtained before surgery. The aim of this paper is to present CT and MRI findings during four-year follow-up of complete, spontaneous regression of IMT of the uterus. The diagnosis was made by histology and immunohistochemistry analysis of the open excisional biopsy specimen. At that time, the organ of origin was not specified. After analysis of the follow-up imaging findings and the mode of tumor regression, the uterus was proclaimed as the probable site of origin. IMT of the uterus is extremely rare and has been reported in ten cases up to now. The gradual, complete regression of uterine IMT documented by CT and MRI may contribute to understanding of its nature.

KEYWORDS:

Inflammatory Pseudotumor; Neoplasm Regression; Spontaneous; Uterus

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