Category Otolaryngology

Temporal Bone Langerhans Cell Histiocytosis

KEY FACTS Terminology Synonyms: Histiocytosis X Old classification: Eosinophilic granuloma, Hand-Schüller-Christian disease, Abt-Letterer-Siwe disease Proliferative disorder of Langerhans-type histiocytes, which form granulomas in T-bone & surrounding soft tissues You’re Reading a Preview Become a Clinical Tree membership for Full access…

Temporal Bone Fibrous Dysplasia

KEY FACTS Terminology Fibrous dysplasia (FD) definition: Congenital disorder with defect in osteoblastic differentiation & maturation resulting in progressive replacement of normal cancellous bone by mixture of fibrous tissue & immature woven bone You’re Reading a Preview Become a Clinical…

Temporal Bone Arachnoid Granulations

KEY FACTS Terminology Definition: Nonvenous sinus-related (aberrant) pseudopodial pia-arachnoid projection into tegmen tympani or posterior wall of temporal bone You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are…

Bell Palsy

KEY FACTS Terminology Bell palsy (BP): Herpetic peripheral facial nerve paralysis secondary to herpes simplex virus; rapid onset, all ipsilateral facial nerve branches involved, no other etiology You’re Reading a Preview Become a Clinical Tree membership for Full access and…