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Introduction. Calcifying fibrous tumor is a rare benign neoplasm of soft tissue origin. The tumor is commonly found in young adults. In most cases it is an incidental finding, because patients do not have obvious symptoms. This tumor may appear in different anatomical locations mimicking other stromal lesions. The diagnosis is made based on pathohistological characteristics and an appropriate immunohistochemical profile. The treatment is surgical, and the prognosis is good. Case Report. A 19-year-old female patient was admitted for abdominal surgery presenting with abdominal pain and pressure. Abdominal ultrasonography and multislice computed tomography of the abdomen showed a tumor mass in the right hemiabdomen. The patient underwent surgical treatment and the tumor was completely removed. Macroscopic analysis showed that the tumor was encapsulated and had a smooth surface. Microscopically, the tumor consisted of bundles of partially hyalinized collagen fibers with calcifications in the form of psammoma bodies that were permeated with mononuclear inflammatory infiltrates. Conclusion. Given the higher incidence of other mesenchymal tumors in the abdomen, due to its rare occurrence, calcifying fibrous tumor presents a diagnostic challenge.

Introduction. Inflammatory myofibroblastic tumor is a mesenchymal neoplasm with an aggressive potential and a tendency for recurrence. It is known to occur in a variety of locations, including the female genital tract. The objective of this study was to provide an overview of the clinical, histopathological, immunohistochemical and molecular features of the inflammatory myofibroblastic tumor, emphasizing potential diagnostic pitfalls in the female genital tract. Case Report. The diagnosis of an inflammatory myofibroblastic tumor of the right ovary with extension to the right parametrium and peritoneal adipose tissue was made in a 74-year-old patient after a detailed laboratory testing, computed tomography and histopathological examination. Conclusion. This case report presents an unusual experience of specialists in everyday practice, with a successful combination of skills in gynecological surgery and pathology. Inflammatory myofibroblastic tumor is a diagnostic challenge that needs to be considered in the differential diagnosis of tumors of both the ovary and the entire female genital tract.