Disappearance of "Elongated Pony Tail Sign" Following Chemoradiotherapy in a Case of Primary Cerebellopontine Angle Ependymoma With Spinal Drop Metastasis: 18 F-FDG PET/CT Scan Findings.
case_report · Level V
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- Record sourced from PubMed, PMID 38722186.
- Also identified by DOI 10.1097/RLU.0000000000005244.
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Abstract
Ependymomas are rare glial tumors that commonly arise from the lining cells of ventricular system and constitute ~10% of intracranial pediatric malignancies. The incidence of ependymoma in adults is rare. Due to close approximation with the ventricular system, subtentorial ependymomas are more prone to show cerebrospinal fluid metastasis compared with supratentorial ependymomas. We present a case of subtentorial cerebellopontine angle ependymoma with diffuse spinal drop metastases showing "elongated pony tail appearance" in a 69-year-old man with complete metabolic response on 18 F-FDG PET/CT imaging following chemoradiotherapy.
Medical subject headings
- Fluorodeoxyglucose F18
- Ependymoma
- Positron Emission Tomography Computed Tomography
- Cerebellopontine Angle
- Chemoradiotherapy