They are the only truly benign tumor in that they usually do not recur after complete surgical removal. Meningiomas have a smooth bosselated external surface which is usually pink-tan in color. Cut surface shows a firm, tan tumor mass with fasicles that tend to whorl and stream. These tumors may invade the dura but normally do not invade the brain or show necrosis. The brain is compressed beneath the tumor.
Patients usually have the slow onset of focal neurological signs, occasionally with seizures.
Complete removal of the tumor is usually curative. Robbins Pathologic Basis of Disease. Poirer J et.al. Manual of basic neuropathology. Search Medline at National Library of Medicine Please be patient during transfer.