Radiation Oncology/Anatomy/Clinical syndromes with cn palsy

Cerebellopontine Angle Syndrome  Acoustic Tumours CN IX and CN VIII and CN V can be affected Symptoms:  IX:  Tinnitus Gag reflex decreased   VIII: <ul> <li>Vertigo</li> <li>Deafness</li> </ul> </li> <li>V <ul> <li>Facial Sensory defecit</li> </ul> </li> </ul> </li> </ul> Jugular Foramen Syndrome (Vernet Syndrome) <ul> <li>Glomus Jugular Tumours</li> <li>Base of skull fx</li> <li>Meningioma</li> </ul> <ul> <li>CN IX, X, XI</li> <li>Symptoms: <ul> <li>Dull unilat aching pain behind ear</li> <li>XI <ul> <li>Ipsilateral Trapezius and SCM palsy</li> </ul> </li> <li>IX <ul> <li>Depressed gag reflex</li> <li>Loss of taste at post 1/3 tongue</li> <li>Loss pf sensation of uvula</li> </ul> </li> <li>X <ul> <li>Dysphonia</li> <li>Dysphagia</li> <li>Palatal drop</li> <li>Loss of sensation of pharynx and larynx</li> </ul> </li> </ul> </li> </ul> Retropharyngeal &amp; Retroparotid Space Syndrome Collet-Sicard Syndrome <ul> <li>CN IX, X, XI, XII</li> <li>Symptoms: <ul> <li>Paralysis of the vocal cords, palate, trapezius muscle and sternocleidomastoid muscle.</li> <li>Anaesthesia of the larynx, pharynx and soft palate.</li> </ul> </li> </ul> Villaret's Syndrome (Retroparotid) <ul> <li>CN IX, X, XI, XII, Sympathetic chain and sometime CN VII</li> <li>Symptoms: <ul> <li>IX <ul> <li>Loss of posterior taste of tongue</li> <li>Depressed gag reflex</li> </ul> </li> <li>X <ul> <li>Loss of sensation of soft palate, pharynx and larynx</li> </ul> </li> <li>XII <ul> <li>Ipsilateral deviation of tongue</li> </ul> </li> <li>Sympathetic involvement <ul> <li>Horner's syndrome</li> </ul> </ul> </ul>