由于消化和安全问题,婴幼儿很少食用螺蛳,螺蛳盖长时间吸附于腭部,且误诊为恶性肿瘤实属罕见,本科就近5年所遇2例报道如下: 例1 患儿女性,6个月,因“腭部无痛性斑块40天”而就诊。40天前家长发现患儿上腭部有一褐色斑块,遂来我科就治。检查:患儿软、硬腭交界处可见1cm×1cm大小的褐色斑,周缘充血,边界不甚清楚,触之较硬,当时考虑为“婴儿黑色素神经外胚瘤”,建议住院手术治疗。因诊断不明确,家长不同意立即住院手术。数周后,斑块未见长大,再次来医院复诊,局部体检时用血管钳将其取下,发现是一螺蛳盖。 例2 患儿男性,11个月,因“腭部无痛性斑块20天”而就诊。20天前患儿不慎摔倒在地,牙龈出血,其母查视患儿口内出血部位时发现上腭部有一褐色斑块,以“腭部错构瘤,恶性待排”收住院。检查:腭部正中腭皱襞后方有1cm ×1.5cm大小的斑块,表面呈褐色,边界清楚,周围粘膜充血,触之较硬。用注射针头从边缘刺入,使其内部负压消失,再用血管 Due to digestive and safety issues, infants and young children rarely eat snail, snail cover a long time absorbed in the palate, and is misdiagnosed as a malignant tumor is rare, undergraduate nearly 5 years experience of 2 cases are reported as follows: 1 children with children, 6 Month, due to “palate painless plaque 40 days” and treatment. 40 days ago, parents found a brown plaque on the palate, then came to our department to rule. Check: Children with soft, hard palate junction visible size of 1cm × 1cm brown spots, peripheral congestion, the border is not clear, touches hard, was considered as “baby melanoma neuroectodermal”, recommended hospital surgery. Because the diagnosis is not clear, parents do not agree to immediate hospitalization. A few weeks later, the plaques did not grow up again to the hospital for referral, partial physical examination with a vascular forceps to remove it and found to be a snail cover. Example 2 Children with children, 11 months, due to “palate painless plaque 20 days” and treatment. Twenty days before the child accidentally fell to the ground, bleeding gums, his mother found the site of oral bleeding in the palate when they found a brown plaque, “palatal hamartoma, malignant to be discharged” admitted to hospital. Check: palatal palatal 襞 middle of the back of a 1cm × 1.5cm size of the plaque, the surface was brown, the boundary is clear, around the mucosal hyperemia, touches hard. With needle injection from the edge of the piercing, so that the internal vacuum disappears, then the blood vessels