康医生:我儿子3岁了,他10个月大时臀部上长了一个红色的小包。随着年龄的增长,小包有增大的趋势。请问,这个小包可能是什么?需要治疗吗?该选择什么样的治疗方法?佛山市张先生张先生:你好!从患儿的病情分析来看有多种可能,例如幼年性黄色肉芽肿、传染性软疣和spitz痣等都可能有相似表现。但如果想确诊,还是要到医院做相关检查或皮肤活检。幼年性黄色肉芽肿常在出生后6个月内发生,为圆形或卵圆形丘疹或结节,高出皮肤表面,界限清楚,直径1~20mm。其颜色开始为红色,以后变为黄红或棕色。其 Dr. Kang: My son is three years old. When he was 10 months old, he had a red packet on his hips. With age, the packet has an increasing trend. I would like to ask, this packet may be what? Need to treat it? The choice of what kind of treatment? Foshan Zhang Mr. Zhang: Hello! From the analysis of the condition of children to see a variety of possibilities, such as juvenile yellow granuloma, Molluscum contagiosum and spitz nevus, etc. may have similar performance. But if you want to confirm, or to the hospital to do the relevant inspection or skin biopsy. Juvenile yellow granuloma often occur within 6 months after birth, as a round or oval papules or nodules, higher than the skin surface, well-defined, diameter 1 ~ 20mm. Its color starts in red and later turns yellow-red or brown. its