<unk>  is a<unk>  that resembles that of a lion. It is seen in multiple conditions and has been classically described for lepromatous leprosy as well as Paget's disease of bone. It is a dermatological symptom, with characteristic facial features that are visible on presentation, and is useful for focusing on differential diagnosis.
Leonine facies
Hippocratic facies
Elfin facies
Spotted lunulae
Asymmetric crying facies
Macrodontia 
Optokinetic drum
Acrania