A 6-year-old boy with a nodule on his hand.

摘要

A 6-year-old boy was referred to our clinic with erythema and multiple nodules dorsum of the right hand and forearm. As we learned from the history of the patient, he first developed an erythema due to a thom prick to the third finger on his right hand while playing. A single nodule appeared on the dorsum of the right hand 2 weeks later. After 1 month, multiple nodules developed in a linear distribution toward the right axillary