Department of Pathology, Universiti Kebangsaan Malaysia Medical Center; Department of Pathology, Prince Court Medical Centre, Kuala Lumpur, Malaysia.
Department of Pathology, Universiti Kebangsaan Malaysia Medical Center, Kuala Lumpur, Malaysia.
Indian J Pathol Microbiol. 2021 Jan-Mar;64(1):171-173. doi: 10.4103/IJPM.IJPM_670_19.
Collision tumor consists of two tumors occurring in the same organ without intermixture of the two cell types. The most common type of collision tumor in ovary is between teratoma and surface epithelial tumor. A 38-year-old woman presented with complained of lower abdominal pain and tightness, and a solid partially cystic left ovarian mass with minimal ascites was detected. Left salpingo-oophorectomy was performed. The ovarian mass measured 15 × 12 × 7 cm with a pedunculated mass on its surface which measured 6 × 2.5 × 2.5 cm. Histologically, it was a collision tumor of fibroma and mature cystic teratoma. Fibroma becomes more edematous as their size increases, which is frequently accompanied by the escape of increasing quantities of fluid from the tumor surfaces. Ascites is often detected when the fibroma is more than a diameter of 10 cm. It is important to identify the different components of a collision tumor for proper management.
碰撞瘤是指同一器官内发生的两种肿瘤，没有两种细胞类型的混合。卵巢中最常见的碰撞瘤是畸胎瘤和表面上皮性肿瘤之间的碰撞瘤。一位 38 岁女性因下腹疼痛和紧绷感就诊，发现左侧卵巢有一实性部分囊性肿块，伴有少量腹水。行左侧输卵管卵巢切除术。卵巢肿块大小为 15×12×7cm，表面有一蒂状肿块，大小为 6×2.5×2.5cm。组织学上，它是纤维瘤和成熟囊性畸胎瘤的碰撞瘤。纤维瘤随着体积的增大而变得更加水肿，这常常伴随着越来越多的液体从肿瘤表面逸出。当纤维瘤直径超过 10cm 时，通常会检测到腹水。识别碰撞瘤的不同成分对于正确的管理非常重要。
