Thank you. The lumps you mention are probably swollen lymph gland which are important in fighting infections. It seems that your son has an infection of his scalp and this is causing the swelling. I am not certain from your description exactly what kind of sclap infection he has. It may be a fungal infection. It is important to take your son back to a doctor so that a proper diagnosis can be made of his problem. It would be best to take him to see a paediatrician.
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