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例1,李×,女,40岁。2月前左食指末节酸胀、肿痛后逐渐隆起增大。检查:左食指指腹饱满隆起,呈鼓槌状,皮色正常,指端触痛。食指各关节运动感觉好。X线片见左食指末节指骨远端有0.8×0.5cm大小的椭圆形透光区,边缘光滑整齐,软组织肿胀。手术见隆起的甲床下有很薄的骨壁,骨壁破裂后见灰白色囊壁,轻分囊壁即取出肿块,形如小葡萄状。囊壁厚约0.15cm,内含灰白色豆腐渣样物。病理诊断为上皮样囊肿。
Example 1, Li X, female, 40 years old. 2 months before the left index finger swelling, sore swelling, swelling gradually increased. Examination: The full index of the left index finger is raised, showing a cymbal-like appearance, normal skin color, and tender fingertips. The index finger joints feel good. The X-ray film showed an elliptical translucent region with a size of 0.8×0.5 cm distal to the distal phalanx of the left index finger, with smooth and neat edges and soft tissue swelling. The surgery saw a thin bone wall under the raised nail bed. After the bone wall ruptured, the gray-white cyst wall was seen. The cyst wall was removed lightly and the tumor was removed and shaped like a small grape. The wall thickness of the capsule is about 0.15cm, containing grayish white bean curd residue-like material. Pathological diagnosis of epithelioid cysts.