Two giant peritoneal loose bodies were simultaneously found in one patient: A case report and review of the literature

INTRODUCTION: Peritoneal loose body(PLB) is usually small, therefore giant Peritoneal loose body(gPLB) with a diameter >5 cm has rarely been described in the literatures. We report a case of two gPLB simultaneously found in one patient. PRESENTATION OF CASE: A healthy 79-year-old man palpated himself a solid mass with alternating localizations in his peritoneal cavity 6 months ago. It was not the complaint of frequency of urinatior until he saw the doctor a week ago. Surprisingly, two oval-shaped masses were simultaneously discovered by computed tomography (CT). One was in the peritoneal cavity, measuring 10.4*8.3 cm, weight 182.5 g, another was in the pelvic cavity, measuring 7.6*6.0 cm, weight 98.4 g. The case was confirmed by surgical operation. DISCUSSION: The gPLB is considered as uncommon. Two gPLB which were simultaneously discovered in one patient have never been reported in the literatures. The small PLB is usually asmptomatic, occasionally, the gPLB can cause symptoms with acute retention of urine or intestinal obstruction. It is crucial to diagnosis the peritoneal loose body. CONCLUSION: Two gPLB that situated in one patient are rare findings. Clinically, if a solid mass alternating localizations cound be palpated in the Peritoneal cavity, CT or other imaging shows an oval-shaped mass with calcifications in the central region, PLB should be considered. Surgical removal is recommended for the patient with acute retention of urine or intestinal obstruction or unclear diagnosis.