ala

In case of First son, it revealed annular papules, annular plaques with central clearing and raised peripheral edge of different sizes varying from 2mm to 20 mm over dorsum of nose and ala nasi, distributed bilateral symmetrically (Figures 2 and 3).

Anterior rhinoscopy revealed an ulcerated lesion with raised borders in the left ala nasi and a wide anterior perforation of the nasal septum.

1) Rarely, such injury can be complicated by the development of a triad of anesthesia, paresthesias, and crescentic ala nasi ulceration known as the trigeminal trophic syndrome (TTS).