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Peritoneal Mouse as Detected on (18)F-FDG PET-CT
Talha Allam1, Razi Muzaffar, Nghi C Nguyen
1Department of Radiology, Saint Louis University Saint Louis, MO, USA.
Frontiers in Oncology
|April 19, 2013
Summary
A rare, benign pelvic finding called a peritoneal loose body was incidentally discovered in a prostate cancer patient. Awareness is key to differentiate this "mouse" from potential metastasis in cancer patients.
Area of Science:
- Radiology
- Oncology
- Pathology
Background:
- Peritoneal loose bodies, also known as
- mouse
- are uncommon, benign findings.
- They are often asymptomatic and incidentally discovered during imaging studies.
Purpose of the Study:
- To highlight the incidental finding of a peritoneal loose body in a patient with a history of prostate cancer.
- To emphasize the importance of recognizing this entity to avoid misdiagnosis as metastasis.
Main Methods:
- Case presentation of a 77-year-old male with prostate cancer.
- Utilized Positron Emission Tomography-Computed Tomography (PET-CT) and contrast-enhanced CT for imaging.
- Described the incidental finding of a small peritoneal loose body in the pelvis.
Main Results:
- A small peritoneal loose body (
- mouse
- ) was identified in the pelvis.
- The finding was asymptomatic and incidentally discovered.
Conclusions:
- Peritoneal loose bodies are benign and uncommon incidental findings.
- Radiologists and clinicians must be aware of this entity to differentiate it from malignancy, particularly in patients with a history of abdominal or pelvic cancer.
