患者男，45岁，务农，1995年2月入院。12年前无意中发现右胫骨结节处有一豌豆大小质硬包块，逐年长大，无任何不适，未给予任何治疗。2天前劳动时，不慎摔倒，感右小腿疼痛、肿胀，活动不便。查体见右小腿中上1-3中度肿胀，无畸形，胫骨结节处可及5cm×5cm的质硬包块，压病。肥 The male patient, aged 45, worked in agriculture and was admitted to hospital in February 1995. Twelve years ago, I discovered that there was a hard mass of peas in the right tibia tuberosity, growing up year by year, without any discomfort, and no treatment was given. When she was working 2 days ago, she accidentally fell and felt pain, swelling, and inconvenience in his right leg. Examination of the right calf seen in the middle 1-3 moderate swelling, no deformity, tibial tubercle and can be 5cm × 5cm hard mass, pressure disease. fat