Lingua Geographica or Geographic tongue is a benign condition, named after its classic map-like appearance over the dorsal and lateral surfaces of the tongue. The pattern is caused by variations in the filiform papillae. Red islands of atrophied papillae are surrounded by white-to-yellowish borders of hyperkeratotic papillae. It is reported to have familial Association. It is also seen in patients with Psoriasis, fissured tongue and smoking individuals. Credits: https://www.dermatologyadvisor.com/home/decision-support-in-medicine/dermatology/geographic-tongue-benign-migratory-glossitis-lingua-geographica-oral-psoriasis/ https://www.instagram.com/p/CQrPgZrBsDr/?utm_medium=copy_link