2Menif E, Douvrin F, Callonnec F, et al. What is your diagnosis? Granular cell tumor of the pituitary area [J]. J Neuroadiol, 2000, 27(1): 17~ 18.
3Schaller B, Kirsch E, Tolnay M, et al. Symptomatic granu lar cell tumor of the pituitary gland: case report and review of the literature [J]. Neurosurgery, 1998,42(1): 166~ 170.
4Brat DJ, Scheithauer BW, Stangaitis SM, et al. Pituicytoma: a distinctive low-grade glioma of the neurohypophysis [J].Am J Surg Pathol, 2000,24(3): 362~368.