MRCP UK EXAMINATIONS

Detailed explanation-1: -Facial neuromas are slow-growing tumors that arise from the Schwann cell sheath of the facial nerve. Most originate from the intratemporal portion of the facial nerve.

Detailed explanation-2: -Facial nerve schwannoma-rare, benign tumors that most commonly occur in a complex region between the ear and the brain.

Detailed explanation-3: -Facial nerve tumors are rare tumors of the temporal bone, which may involve any aspect of the facial nerve. However, facial nerve tumors predominantly present in the peri-geniculate area and the tympanic segment. Skip lesions or multiple segments of involvement are occasionally identified.

Detailed explanation-4: -Facial nerve palsy includes both paralysis (complete loss of function) and paresis (weakness) of the seventh cranial nerve (CN 7). CN 7 is a mixed nerve providing both sensory afferents and motor efferent fibers.