Titlebook: Clinical Imaging of the Cerebello-Pontine Angle; Anton Valavanis,Othmar Schubiger,Thomas P. Naidich Book 1987 Springer-Verlag Berlin Heide

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Chemodectomas of the Petrous Bone, nonchromaffin paraganglia (or “glomera”). Histologically, glomus structures are composed of capillary and precapillary blood vessels and epitheloid cells. Their size varies from 1 to 1.5 mm in diameter (186, 187). Glomus structures are found along the tympanic branch of the glossopharyngeal nerve (

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Neurinomas of the Caudal Cranial Nerves,occupy the lateral cerebellomedullary cistern. With further growth they extend into the cerebello-pontine angle. Neurinomas of the caudal cranial nerves are extremely rare intracranial tumors, constituting 1.2 to 3% of all cerebello-pontine angle tumors (445, 473, 629).