leontiasis /le·on·ti·a·sis/ (le″on-ti´ah-sis) the leonine facies of lepromatous leprosy, due to nodular invasion of the subcutaneous tissue.
leontiasis [le″on-ti´ah-sis]
leontiasis os´sea , leontiasis os´sium hypertrophy of the bones of the cranium and face, giving it a vaguely leonine appearance.
le·on·ti·a·sis (l   n-t  -s s)n. The ridges and furrows on the forehead and cheeks of patients who have advanced lepromatous leprosy, giving a leonine appearance. Also called leonine facies. |
Leonine Facies
A deeply furrowed ‘lumpy’ face with prominent superciliary arches, classically seen in lepromatous leprosy
DiffDx Hyperimmunoglobulin E syndrome, chronic granulomatous disease, van Buchem’s disease, leontiasis ossium—idiopathic leonine facies; features due to overgrowth of bones, as in Paget’s disease or McCune-Albright syndrome, polyostotic fibrous dysplasia or soft tissue, as in hypothyroidism with myxoedema of periorbital tissues, epidermoid carcinoma, Sézary syndrome, which is characterised by generalized exfoliative dermatitis, oedema, erythema, pachydermia, palmoplantar keratoderma
DiffDx Hyperimmunoglobulin E syndrome, chronic granulomatous disease, van Buchem’s disease, leontiasis ossium—idiopathic leonine facies; features due to overgrowth of bones, as in Paget’s disease or McCune-Albright syndrome, polyostotic fibrous dysplasia or soft tissue, as in hypothyroidism with myxoedema of periorbital tissues, epidermoid carcinoma, Sézary syndrome, which is characterised by generalized exfoliative dermatitis, oedema, erythema, pachydermia, palmoplantar keratoderma
leontiasis [le″on-ti´ah-sis]
the leonine facies (lionlike face) of a person with lepromatous leprosy, due to nodular invasion of the subcutaneous tissue.
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