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腮裂囊肿和瘘管多发生于第二腮裂,发生于第一腮裂囊肿或瘘管临床鲜有报道,仅占所有腮裂畸形的1％。而第一腮裂囊肿比第一腮裂囊肿合并瘘管更少见,因此容易误诊。现报告2例如下。 例1 女,23岁。发现右耳后无痛性囊肿包块10年,此包块缓慢增大,无其他不适,听力正常。检查:包块柔软,边界清楚,与其表皮无粘连,可活动。耳周及颈前未发现瘘口,右耳道内耵聍栓塞。B超示右耳后皮下3.8cm×2.6cm×2.4cm包膜完整、稍厚、形态欠规则的低回声反射包块,后壁有增强效
Gill fissure and fistula occurred in the second cheek, occurred in the first cheilitis or fistula kyphoplasty rarely reported, accounting for only 1% of all kyphosis. The first cheilitis cyst is more common than the first cheilitis cystic fistula, and therefore misdiagnosed. The following two reports are as follows. Example 1 Female, 23 years old. Found that right ear painless cysts mass 10 years, the mass slowly increased, no other discomfort, normal hearing. Check: Mass is soft, clear boundary, no adhesion with the epidermis, can move. Ear and neck before the fistula was not found, right ear canal 耵 聍 embolism. B ultrasound after the right ear subcutaneous 3.8cm × 2.6cm × 2.4cm capsule intact, slightly thick, under-shaped morphology of low echo reflex mass, the posterior wall enhanced