Tumors and tumor-like conditions of the middle ear and mastoid: role of CT and MRI. An analysis of 100 cases. - Mafee,M.F.; Valvassori,G.E.; Kumar,A.; Samett,E.; Inoue,Y.; Choi,K.; Raju,S.; Grewe,G. (Otolaryngol Clin North Am, 1988)