What disease is it that my child has something scalp-shaving-like on their head?

Patient's question:

Age
Detailed medical condition and purpose of consultation: A few days ago, I noticed something scalp-like on my child's head, patchy and patchy. When I touched it, a small piece came off, with a few hairs on it. I want to ask the doctor what this symptom is.
Duration of the current illness: About ten days
Current general condition:

Doctor's answer:

Hello, according to your description, the child's condition is considered to be infected with tinea. It is necessary to go to the hospital for a detailed examination. After clarifying the specific condition, anti-inflammatory drugs should be used for treatment. During the treatment period, it is necessary to maintain cleanliness and hygiene of the affected area.