Matsumoto Masato, Sakuma Jun, Suzuki Kyouichi, Kawakami Masahisa, Sasaki Tatsuya, Kodama Namio
Department of Neurosurgery, Fukushima Medical University, Fukushima 960-1295, Japan.
Surg Neurol. 2005 Mar;63(3):275-80. doi: 10.1016/j.surneu.2004.02.032.
Melanotic neuroectodermal tumor of infancy (MNTI) is a rare neoplasm that develops during the first year of life and grows rapidly. Early diagnosis and radical surgery are critical for a long-term cure. We report a rare case of MNTI in the skull and discuss the importance of the radical surgery and the long-term follow-up results.
We describe a case of a 4-month-old girl with an MNTI in the skull who underwent the operation 11 years ago. The mass in the frontotemporosphenoid region grew rapidly after birth. The patient underwent a craniotomy. By referring to the histological findings of frozen section during surgery, a total excision of the tumor including its adjacent hypertrophic bone was performed. The patient has remained well without evidence of recurrence or neurological abnormality for 11 years.
Radical surgery for MNTI provides complete cure. According to the literature including our case, there should be follow-up for at least 2 years after surgery. Especially in cases in which tumors recur, follow-up should be for longer periods because of the possibility of its malignant change.
婴儿黑色素性神经外胚层肿瘤(MNTI)是一种罕见的肿瘤,发生于生命的第一年且生长迅速。早期诊断和根治性手术对于长期治愈至关重要。我们报告一例罕见的颅骨MNTI病例,并讨论根治性手术的重要性及长期随访结果。
我们描述一例11年前接受手术的4个月大患有颅骨MNTI的女孩。额颞蝶区域的肿块在出生后迅速生长。患者接受了开颅手术。根据手术中冰冻切片的组织学结果,对肿瘤及其相邻的肥厚骨质进行了完整切除。患者11年来一直状况良好,无复发或神经异常迹象。
MNTI的根治性手术可实现完全治愈。根据包括我们病例在内的文献,术后应至少随访2年。特别是在肿瘤复发的病例中,由于其有恶变的可能性,随访时间应更长。