罗湖区人民医院普外科医生发出提醒，皮肤上冒出的小疙瘩可能是皮脂腺囊肿，俗称"粉瘤"，属于皮肤良性肿物1。这类囊肿好发于头皮、面部、胸背部、臀部等皮脂腺丰富的部位1。典型的皮脂腺囊肿表现为圆形隆起的皮损，表面可见特征性小黑点，即被堵塞的毛囊开口1。
医生强调，对皮脂腺囊肿的处理方式至关重要。自行挤压、用针挑破、使用牙膏大蒜等偏方外敷是三类最危险的做法1，盲目操作极易引发感染化脓1。由于皮脂腺囊肿容易与痤疮、脂肪瘤、表皮样囊肿相混淆1，患者应避免自行判断和处理。完整手术切除是根治手段，最好在囊肿未发炎的窗口期进行1。若囊肿已出现感染化脓，需先进行抗感染处理，形成脓肿后需要切开引流，待情况稳定后再择期进行手术1。
在日常预防方面，医生建议做好皮肤清洁控油，减少高糖高脂食物的摄入，避免皮肤受到摩擦刺激1。
Physicians at Luohu District People's Hospital's Department of General Surgery have issued a warning about small bumps appearing on the skin, cautioning that they may be sebaceous cysts, commonly known as "milia," which can easily become infected if squeezed improperly 1. These benign skin lesions are prone to appearing on the scalp, face, chest, back, and buttocks—areas rich in sebaceous glands 1. The characteristic appearance includes a round raised bump with a distinctive small black dot visible on the surface, representing the blocked hair follicle opening 1.
The medical team identified three dangerous practices that should be avoided: self-squeezing, piercing with needles, and applying home remedies such as toothpaste or garlic 1. Sebaceous cysts are frequently mistaken for acne, lipomas, and epidermoid cysts 1. Complete surgical removal represents the definitive treatment, preferably performed during the non-inflamed period 1. If infection and suppuration have already occurred, anti-infection treatment must be administered first, followed by incision and drainage once an abscess forms, with planned surgery scheduled afterward 1. The hospital recommends preventive measures including proper skin cleansing and oil control, reducing high-sugar and high-fat food intake, and avoiding friction and irritation 1. Luohu District People's Hospital's Department of General Surgery is equipped with a da Vinci robotic surgical system 1.
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