Furuncular myiasis mimicking pyoderma

Myiasis

“…An intense inflammatory reaction in the surrounding tissue of the lesions develops over a period of 6 days. Some lesions may develop a central pustule, similar to that of pyoderma (307). After 8 to 12 days, the mature third-instar maggot leaves the host.…”

“…The injection of 1% lidocaine (2 ml per nodule) is sometimes used to paralyze the larva, making the extraction easier (208). Liquid nitrogen used before extraction stiffens the larva and helps aid in its removal (307). Topical 1% ivermectin may be used for a furuncular lesion caused by D. hominis (70), although there is a possibility that the dead larva may be trapped within the skin.…”

Furuncular myiasis for the Western dermatologist: treatment in outpatient consultation

“…The idea of sheltering a larva in the skin is often unbearable and justifies trying a first‐hand manual extraction with local anesthesia. Lidocaine or liquid nitrogen, widely available to dermatologists, can be used both to paralyze the larva and for local anesthesia. Secondly, a surgical excision with a scalpel or a punch biopsy might be necessary to remove the whole larva .…”

"Pseudo" conditions in dermatology: Need to know both real and unreal

“…Pseudo furuncle [10] is a condition caused by dermal myiasis. The clinical features are similar to furuncle but this condition is caused by larvae of dipterous flies and treated by removing the larvae.…”