Capps D H, Brodsky M C, Rice C D, Mrak R E, Glasier C M, Brown H H
Department of Ophthalmology, University of Arkansas for Medical Sciences, Little Rock.
Am J Ophthalmol. 1990 Nov 15;110(5):535-9. doi: 10.1016/s0002-9394(14)77878-x.
In an 8-year-old girl with asymptomatic proptosis, computed tomographic scans showed a large medial orbital mass that contoured the globe anteriorly, bowed the optic nerve laterally, and extended posteriorly to the orbital apex. T1-weighted coronal magnetic resonance images showed the mass to be a diffusely enlarged medial rectus muscle. Histopathologic examination of a medial rectus muscle biopsy specimen disclosed a multinodular, intramuscular schwannoma, separating and infiltrating normal skeletal muscle fibers. The intramuscular location and multinodular configuration of this tumor, together with its occurrence in a child, distinguish it from previous orbital schwannomas.
在一名患有无症状眼球突出的8岁女孩中，计算机断层扫描显示眼眶内侧有一个大肿块，该肿块使眼球前部变形，使视神经向外侧弯曲，并向后延伸至眶尖。T1加权冠状位磁共振成像显示该肿块为弥漫性增大的内直肌。内直肌活检标本的组织病理学检查发现是一个多结节性肌内神经鞘瘤，分隔并浸润正常骨骼肌纤维。该肿瘤的肌内位置、多结节形态及其在儿童中的发生情况，使其有别于既往的眼眶神经鞘瘤。
