患者闰××,男,43岁。主诉:右上颌牙龈肿物2月余。 现病史:15年前,右上颌牙龈处曾长一肿物,约1×1cm,用马尾结扎,数日脱落,无任何不适,未做其它治疗。2个月前,发现原处又长一肿物,逐渐增大,无明显疼痛。 检查:全身检查无特殊发现,肿物位于543的颊侧牙龈处,3×3×3cm,呈半 Patient 闰××, male, 43 years old. Chief complaint: Right upper jaw gum mass more than 2 months. Current medical history: 15 years ago, the right maxillary gum was once a tumor, about 1 × 1cm, was tied with a horsetail, fell off for a few days without any discomfort, no other treatment. Two months ago, a tumor was found in the original area, which gradually increased without obvious pain. Examination: No special findings were found on the whole body examination. The tumor was located at the buccal gingival of 543, 3 x 3 x 3 cm, half