<prompt> True statement about metastases of malignant tumors of brain is:Drop metastases can occur in the spinal cordLymph node metastases in patients who have had brain surgeryMetastases through man made shuntsAll of the above  <response>: Ans. d All of the aboveRef: Robbins 9thpg 1312; 8thpg 1336Dissemination through the CSF is a common complication- giving rise to nodular masses at some distance from the primary tumor called as drop metastases is a feature of medulloblastomaMan made shunts provide a route for metastasis of malignant tumorsLymphomatous metastases, on the other hand, tend to produce a more diffuse pial enhancement, as breast and prostate metastases. 