Ichikawa Masahiro, Saito Kiyoshi, Ito Eiji, Kawai Kumi, Fujimoto Yasushi, Kamei Yuzuru
Department of Neurosurgery, Fukushima Medical University, Fukushima, Japan.
Neurol Med Chir (Tokyo). 2010 Jan;50(1):70-3. doi: 10.2176/nmc.50.70.
A 62-year-old woman presented with drop metastasis of recurrent meningioma located in a vascularized free omental flap. She had undergone three resections of right sphenoid ridge meningioma in another hospital beginning in 1979. Invasive recurrent tumor in the infratemporal fossa was grossly totally removed and the defect was reconstructed with a vascularized free omental flap in our institute in 1999. Magnetic resonance imaging revealed a well-demarcated tumor in the omental flap in 2003. Histological examination showed meningothelial meningioma with Ki-67 labeling index of 2.5%. Surgeons should be aware of the possibility of drop metastasis if the tumor type has a tendency to local recurrence.
一名62岁女性因复发性脑膜瘤的脱落转移就诊，肿瘤位于带血管蒂的游离大网膜瓣。自1979年起，她在另一家医院接受了三次右侧蝶骨嵴脑膜瘤切除术。1999年，我院对颞下窝侵袭性复发性肿瘤进行了大体全切，并采用带血管蒂的游离大网膜瓣修复缺损。2003年磁共振成像显示大网膜瓣内有边界清晰的肿瘤。组织学检查显示为脑膜内皮型脑膜瘤，Ki-67标记指数为2.5%。如果肿瘤类型有局部复发倾向，外科医生应意识到存在脱落转移的可能性。
