Extra-Neural Metastases of Late Recurrent Myxopapillary Ependymoma to Left Lumbar Paravertebral Muscles: Case Report and Review of the Literature

Ependymomas are commonly classified as low-grade tumors, although they may harbor a malignant behavior characterized by distant neural dissemination and spinal drop metastasis. Extra-CNS ependymoma metastases are extremely rare and only few cases have been reported in the lung, lymph nodes, pleura,...

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Veröffentlicht in:Brain sciences 2022-09, Vol.12 (9), p.1227
Hauptverfasser: Mastantuoni, Ciro, Tortora, Fabio, Tafuto, Roberto, Tortora, Mario, Briganti, Francesco, Franca, Raduan Ahmed, Della Monica, Rosa, Cuomo, Mariella, Chiariotti, Lorenzo, Esposito, Felice, Somma, Teresa
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Sprache:eng
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Zusammenfassung:Ependymomas are commonly classified as low-grade tumors, although they may harbor a malignant behavior characterized by distant neural dissemination and spinal drop metastasis. Extra-CNS ependymoma metastases are extremely rare and only few cases have been reported in the lung, lymph nodes, pleura, mediastinum, liver, bone, and diaphragmatic, abdominal, and pelvic muscles. A review of the literature yielded 14 other case reports metastasizing outside the central nervous system, but to our knowledge, no studies describe metastasis in the paravertebral muscles. Herein, we report the case of a 39-year-old patient with a paraspinal muscles metastasis from a myxopapillary ependymoma. The neoplasm was surgically excised and histologically and molecularly analyzed. Both the analyses were consistent with the diagnosis of muscle metastases of myxopapillary ependymoma. The here-presented case report is first case in the literature of a paraspinal muscles metastasis of myxopapillary ependymoma.
ISSN:2076-3425
2076-3425
DOI:10.3390/brainsci12091227