This colour-enhanced,sagital (from the side),T1-weighted MR image shows a large mass arising from the vermis/roof of the fourth ventricle and filling it,severely compressing the brainstem and causing obstructive hydrocephalus in addition to downward herniation of the cerebellar tonsils. This is a medulloblastoma,an aggressive type of primitive neuroectodermal tumour (PNET) which can seed the subarachnoid spaces with metastatic foci. Medulloblastomas are one of the most common posterior fossa tumours of childhood | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Living Art Enterprises |
Bildgröße: | 4200 px × 4415 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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