Garen P D, Harper C G, Teo C, Johnston I H
Department of Pathology, Royal Prince Alfred Hospital, New South Wales, Australia.
J Neurosurg. 1987 Dec;67(6):928-30. doi: 10.3171/jns.1987.67.6.0928.
A case is reported of a rare cystic schwannoma of the fourth cranial nerve which was interpreted as a probable intrinsic brain-stem lesion. The clinical approach to brain-stem tumors in terms of empirical treatment or surgical biopsy is discussed.