Patient Maria Bonyhay and Jeffrey N. Bruce, M.D., Co-Director of the Brain Tumor Center at NewYork-PresbyterianColumbia University Medical Center, discuss .\rbr\rbrEpidermoid is tumor like mass.it is ,benign(non cancerous) mass occuring any where in the brain ,also known as pearly tumor of brain,it occures 1-2 of all .\rbr\rbrPineal meningiomas are very rare. Pineal region is difficult to access due to its central position. It can be approached by several approaches: .\rbr\rbrEpidermoid is tumor like mass.it is ,benign(non cancerous) mass occuring any where in the brain ,also known as pearly tumor of brain,it occures 1-2 of all .