Shah Aman K, Dahal Alok, Thapa Nuppur
B.P. Koirala Institute of Health Sciences, Dharan, Nepal.
Department of Neurosurgery, B.P. Koirala Institute of Health Sciences.
Ann Med Surg (Lond). 2023 May 10;85(6):3054-3057. doi: 10.1097/MS9.0000000000000807. eCollection 2023 Jun.
Neurofibromas are tumors of neural connective tissue composed of Schwann cells and fibroblasts. They can occur anywhere in the body, primarily as a solitary mass or as a component of neurofibromatosis. Only 1/4 of the intradural extramedullary spinal tumors are neurofibromas. While most of the neurofibromas are asymptomatic, the authors report a patient with symptomatic multiple neurofibromas of the scalp and trunk that lacked the salient features of neurofibromatosis-1.
A 63-year-old male from Saptari, Nepal, with multiple insidious swellings in the scalp and trunk region, presented with complaints of weakness of the bilateral lower limb for 6-7 years resulting in difficulties in walking and bleeding from the most significant swelling that was in the occipital area.
Masses were present all over the scalp, averaging about 4×4 cm, with active bleeding from the two swellings. The authors performed the neurological assessment and histopathological and radiological investigations.
A confirmed diagnosis of neurofibroma was made with myelography revealing an intradural extramedullary spinal tumor. A laminectomy with total excision of the tumor was performed.
Meningiomas and nerve sheath tumors (schwannomas and neurofibromas) can both develop in the intradural extramedullary spinal compartment. Contrast-enhanced MRI is the most sensitive and specific imaging modality to evaluate possible spinal column lesions. Surgical excision, partial or complete, is the hallmark treatment of neurofibroma.
神经纤维瘤是由施万细胞和成纤维细胞组成的神经结缔组织肿瘤。它们可发生于身体的任何部位,主要表现为单个肿块或作为神经纤维瘤病的一部分。硬膜内髓外脊髓肿瘤中只有四分之一是神经纤维瘤。虽然大多数神经纤维瘤无症状,但作者报告了一名患有头皮和躯干有症状的多发性神经纤维瘤的患者,该患者缺乏神经纤维瘤病1型的显著特征。
一名来自尼泊尔萨普塔里的63岁男性,头皮和躯干区域有多个隐匿性肿胀,因双侧下肢无力6 - 7年导致行走困难,以及枕部最明显的肿胀处出血前来就诊。
头皮各处均有肿块,平均约4×4厘米,两处肿胀有活动性出血。作者进行了神经学评估以及组织病理学和放射学检查。
通过脊髓造影显示硬膜内髓外脊髓肿瘤,确诊为神经纤维瘤。进行了椎板切除术并完全切除肿瘤。
脑膜瘤和神经鞘瘤(施万细胞瘤和神经纤维瘤)均可发生于硬膜内髓外脊髓腔。增强磁共振成像(MRI)是评估可能的脊柱病变最敏感和特异的影像学检查方法。手术切除,部分或完全切除,是神经纤维瘤的标志性治疗方法。