期刊
DIAGNOSTICS
卷 11, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/diagnostics11091680
关键词
pediatric ependymoma; extra-CNS ependymoma; myxopapillary ependymoma; pilonidal disease
Primary central nervous system tumors, specifically ependymomas, are the most common solid tumors in childhood, but occurrence outside the CNS is extremely rare. This study presents two cases of extra-CNS myxopapillary ependymomas originating in the sacrococcygeal region, highlighting the challenges in diagnosis, treatment, and follow-up of this rare disease.
Primary central nervous system (CNS) tumors represent the most common solid tumors in childhood. Ependymomas arise from ependymal cells lining the wall of ventricles or central canal of spinal cord and their occurrence outside the CNS is extremely rare, published in the literature as case reports or small case series. We present two cases of extra-CNS myxopapillary ependymomas treated at our institution in the past three years; both cases originate in the sacrococcygeal region and were initially misdiagnosed as epidermoid cyst and germ cell tumor, respectively. The first case, which arose in a 9-year-old girl, was treated with a surgical excision in two stages, due to the non-radical manner of the first operation; no recurrence was observed after two years of follow-up. The other case was a 12-year-old boy who was treated with a complete resection and showed no evidence of recurrence at one-year follow-up. In this paper, we report our experience in treating an extremely rare disease that lacks a standardized approach to diagnosis, treatment and follow-up; in addition, we perform a literature review of the past 35 years.
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