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Inflammatory pseudotumor of the sigmoid colon mesentery: US and CT findings (2004:12b)
Selma Uysal1, Işil Tunçbilek, Dilek Unlübay
12nd Department of Radiology, Ankara Training and Research Hospital, Cebeci-Ankara, Turkey.
Insights
Inflammatory pseudotumor, a rare condition mimicking sarcoma, can occur in the sigmoid colon mesentery. Early recognition is crucial due to its resemblance to malignant disorders.
Area of Science:
- Pathology
- Radiology
- Pediatric Oncology
Background:
- Inflammatory pseudotumor (IPT) is a rare condition with histological features mimicking spindle-cell sarcoma.
- While typically affecting children and young adults, pediatric cases are underreported.
- IPT can manifest in various body locations, including intra-abdominal organs.
Observation:
- This report details a rare case of IPT in the sigmoid colon mesentery.
- Radiological findings, particularly ultrasound and Doppler ultrasound, are presented.
- The clinical and radiological presentation can be mistaken for malignant lymphoproliferative disorders.
Findings:
- Histological features of IPT can resemble spindle-cell sarcoma.
- Ultrasound and Doppler ultrasound provide key diagnostic imaging findings.
- Sigmoid colon mesentery is an exceptionally rare site for IPT.
Implications:
- Accurate recognition of IPT is vital for appropriate patient management.
- Distinguishing IPT from malignant conditions is essential to avoid unnecessary aggressive treatments.
- Further case reports and literature reviews can improve understanding of this rare entity.
Abstract:
The concept of inflammatory pseudotumor has evolved from meticulous pathological studies; some of its histological features resemble a spindle-cell sarcoma. Despite the fact that it usually affects children and young adults, only limited numbers of childhood cases have been reported in the pediatric literature. Recognition of this rare entity is important because the clinical manifestations and radiological features may be indistinguishable from a malignant lymphoproliferative disorder. This entity has been reported to be anywhere in the body, including a variety of intra-abdominal organs. Although one of the most common intra-abdominal sites is the mesentery, localization within the mesentery of the sigmoid colon is particularly rare. We present a case of abdominal inflammatory pseudotumor of the sigmoid colon mesentery, defining its radiological and primarily ultrasound and Doppler ultrasound findings, with a review of additional examples from the literature.
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