PMC5447378_01
CT-scan (coronal plane) showing two oval-shaped masses (one was in the peritoneal cavity, measuring 10.4*8.3 cm, another was in the pelvic cavity, measuring 7.6*6.0 cm). with central calcifications.
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They showed a low-density lesions with clear boundaries, a complete capsule, and two calcifications in the central part on the CT scan (Fig. 1).
Intraoperative view showing the freely floating, glistering gaint PLB in the peritoneal cavity.
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We extracted respectively two hard, egg-shaped peritoneal loose bodies from the vicinity of the spleen and from the pelvic cavity in front of the rectum, which was completely free in the peritoneal cavity (Fig. 2).
Two gaint PLB after extraction from the abdominal cavity, with a yellow-white, oval in shape, and a bony-hard, smooth surface one measuring 10.4*8.3 cm, weight 182.5 g; another measuring 7.6*6.0 cm, weight 98.4 g.
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They were yellow-white, oval in shape, and had a bony-hard, smooth surface (Fig. 3).
Cross section of the two gPLB: two calcified cores filled with yellow cheese-like material, and the interval distance between the two cores was about 5 mm, the outer layers were yellow to white, homogenous and had a lamellar, rubber-like texture.
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There were two calcified cores filled with yellow cheese-like material, and the interval distance between the two cores was about 5 mm (Fig. 4).
Histological examination: showed a calcified necrosis of fat tissue (nucleus) with hypocellular fibrolamellar tissue with numerous micro calcifications (outer layers).
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At the periphery, the lesion was paucicellular, containing spindled fibroblasts embedded in a collagenous stroma (Fig. 5).