恶性颗粒细胞瘤１例关键词恶性颗粒细胞瘤，病理形态樊新萌，张立患者，男，４９岁，因反复腰痛伴向左下肢放射１０年入院。６年前曾有左髋、臀部外伤，伴有神经损伤。查体：腰生理弯曲变直，左臀部明显隆起，坐骨大孔处可触及６ｃｍ×５ｃｍ肿物，质硬、固定、边界不清，... Malignant granulosa cell tumor 1 case Key words malignant granulosa cell tumor, pathological morphology Fan Xinmeng, Zhang Li patient, male, 49 years old, admitted to hospital for 10 years due to repeated back pain with left lower extremity. Six years ago, there were hip and hip injuries with nerve damage. Physical examination: Waist physiological bending and straightening, left hip bulging, can be touched 6mm × 5cm mass at the foramen magnum, hard, fixed, unclear boundary, ...