Yun K, Tsugitomi H, Yoshimura T, Sugihara H, Sugimori H
Gan No Rinsho. 1986 Mar;32(3):310-4.
A case of extraskeletal osteosarcoma of the retroperitoneum in a 57-year-old woman is reported. A rapidly growing intra-abdominal tumor was noticed eight months before her death. The resected tumor, weighing 1.9 kg, consisted of a large amount of solid mucinous tissue with significant bony materials. Histologically, the tumor showed fibrosarcomatous, chondrosarcomatous and osteosarcomatous growth patterns. A diagnosis of osteosarcoma was made. The CT scan and autopsy findings confirmed that the tumor did not originate from the preexisting bones, but from the retroperitoneum. Differences distinguishing retroperitoneal osteosarcoma from other soft tissue sarcomas were also described from the histological point of view.
报告了一例57岁女性腹膜后骨外骨肉瘤病例。在其死亡前八个月发现一个快速生长的腹腔内肿瘤。切除的肿瘤重1.9千克，由大量实性黏液组织和大量骨质成分组成。组织学上，肿瘤呈现纤维肉瘤、软骨肉瘤和骨肉瘤的生长模式。诊断为骨肉瘤。CT扫描和尸检结果证实肿瘤并非起源于先前存在的骨骼，而是起源于腹膜后。还从组织学角度描述了腹膜后骨肉瘤与其他软组织肉瘤的鉴别差异。
