Vol 50, No 3 (2016)

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Medulloblastoma with suprasellar solitary massive metastasis: Case report

Hiroaki Nagashima12, Tatsuya Nagashima1, Atsufumi Kawamura1, Kazuki Yamamoto1, Makiko Yoshida3, Daiichiro Hasegawa4, Yoshiyuki Kosaka4, Eiji Kohmura2
DOI: 10.1016/j.pjnns.2016.02.001
Neurol Neurochir Pol 2016;50(3):211-214.


It is extremely rare for metastasised medulloblastoma to form a large tumour in the suprasellar region. We present a case of medulloblastoma with large suprasellar metastasis at initial presentation. A 3-year and 5-month-old boy presented with a 1-month history of vomiting and loss of appetite, and body weight. Computed tomography and magnetic resonance imaging revealed a 20mm×20mm mass in the suprasellar region and a 30mm×30mm mass in the fourth cerebral ventricle. We performed endoscopic biopsy of the suprasellar tumour, and subsequently totally removed the vermian tumour through a suboccipital craniotomy. The histopathological findings revealed that both the suprasellar and vermian tumours were classic type and non SHH/WNT type medulloblastoma. The postoperative course was uneventful. The patient showed complete remission after chemotherapy. The tumour in the suprasellar region was most likely metastatic from the vermis. Endoscopic biopsy of the tumour in the suprasellar region and total removal of the tumour in the vermis in a one-stage operation followed by intensive chemotherapy with reduced dose radiotherapy may provide a satisfactory outcome.

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Neurologia i Neurochirurgia Polska