患者王×,男,19岁。住院号:37144,因右侧上颌部无痛渐增性包块1年余,1989年7月14日入院。患者于1年前发现右侧上颌部有一包块,约花生米大小,无何自觉症状,后来包块逐渐增大,近2月内发现包块增长稍快,并有胀感,全身状态尚好,无外伤史,无传染病接触史。专科检查所见:右上颌部肿胀,右侧鼻唇沟处隆起, Patient Wang ×, male, 19 years old. Hospital number: 37144, due to painless ascending mass on the right side of the mass more than 1 year, July 14, 1989 admission. One year ago, the patient found a mass of the right maxilla, about the size of peanuts, without any symptoms, and then gradually increase the mass in recent 2 months found that the mass growth slightly faster, and a sense of expansion, the general condition is good , No history of trauma, no contact history of infectious diseases. Specialist examination shows: swelling of the right upper jaw, nasal uplift on the right nasolabial fold,