Abstract
Peritoneal loose bodies or “peritoneal mice” are rare well circumscribed benign masses composed of free-floating organized fat necrosis. They are usually asymptomatic and found as “incidentalomas” during Imaging. Their pathogenesis is not well known. We report a rare case of giant intraperitoneal mice which was clinically misdiagnosed as left seminal vesicle malignancy. A review of the literature is also presented.
Highlights
Peritoneal loose bodies or “peritoneal mice” are rare well circumscribed benign masses composed of free-floating organized fat necrosis
We report a rare case of giant intraperitoneal mice which was clinically misdiagnosed as left seminal vesicle malignancy
We report a rare case of giant intraperitoneal mice which was clinically misdiagnosed as right seminal vesicle malignancy and was succesfully managed laparoscopically
Summary
Peritoneal loose bodies or “peritoneal mice” are rare well circumscribed benign masses composed of free-floating organized fat necrosis. They are usually asymptomatic and found as “incidentalomas” during Imaging, laparotomy or autopsy [1] [2]. The pathogenesis of peritoneal mices is not well known. They are thought to evolve from torsion and separation of the appendices epiploicae. Others have suggested that large loose bodies can be formed by the accumulation of peritoneal serum in the appendices epiploicae [3] [4]. We report a rare case of giant intraperitoneal mice which was clinically misdiagnosed as right seminal vesicle malignancy and was succesfully managed laparoscopically
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