患者孟某某,女性,61岁,务农,因头顶部生长一肿块,逐年增长15年余,近肿块增长较快并有部分破溃,渗出有异臭味而就诊。患者15年前发现头顶中央有一绿豆大小之结节,质硬,有时可抓掉但仍长出,无任何自觉症状,仅在洗头或梳头时有异物感。未治疗逐年增大,在数年前曾在当地医院查治一次无效,因不影响正常生活与劳动,故未重视,至今没做任何治疗。近3、4年肿块增长较快,现约有拳头大小,突出于头顶,自觉症状仍不明显,近月肿块右前方突起明显,表皮发亮有时破溃,淌黄水,结痂,有异臭味。以往平素体健、无传染病史,家族中无类似疾病史。 The patient Meng Moumou, female, 61 years old, engaged in farming, because of the growth of a lump on the top of the head, year after year for more than 15 years, the recent increase in the mass of the lump and partial ulceration, exudation smell and treatment. The patient discovered 15 years ago that there was a mung bean-sized nodule at the center of the head, which was hard, sometimes caught, but still growing without any subjective symptoms. He only had a foreign body sensation while washing his hair or brushing his hair. The number of untreated patients has increased year by year. In the past several years, he had been checked and treated at a local hospital once. Since he did not affect his normal life and labor, he did not pay attention and he has not done any treatment so far. In the recent 3 or 4 years, the masses have grown rapidly. They are now about the size of a fist and are prominent on the top of the head. The subjective symptoms are still not obvious. The masses in front of the right mass are prominent in recent months. The epidermis is shiny and sometimes ulcerated. Odor. In the past, there was no history of infectious diseases, and there was no history of similar diseases in the family.