4 year old with an enlarged head circumference, signs of cerebellar dysfunction (ataxia, clumsiness, nystagmus, dysarthria) and upper motor neuron deficit of the bilateral lower extremities most concerning for medulloblastoma with drop metastases to the spinal cord
Key idea: Medulloblastoma arises in the cerebellar vermis and therefore leads to cerebellar dysfunction and can lead to โdrop metastasesโ to the spinal cord through the CSF circulation
submitted by โstep_prep(148)
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