Pilocytic astrocytomas are among the most common intramedullary spinal cord tumors in the pediatric age group. The presence of contrast enhancement is a major factor used to distinguish these tumors from other spinal cord lesions. We present a case of histologically proved non-enhancing intramedullary spinal cord pilocytic astrocytoma in a 12-year-old girl. This case represents an exception to the conventional wisdom that pediatric spinal neoplasms enhance with administration of intravenous contrast material.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/17021719