2016_Head & Neck COURSE BOOK

Masticator space (MS)

PMS Mass

Muscles of mastication – med. / lat. pterygoid, masseter, temporalis Nerves – V3 motor, V3 sensory (inf. alveolar nerve) Mandible – Ramus / posterior body

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Nasopharyngeal carcinoma

MS Relationship to foramen ovale

MS Mass

Juvenile fibromatosis

Perineural tumor spread along V3

Carotid space (CS) “Poststyloid Parapharyngeal space”

CS Mass

Contents

Vessels – (I)CA, IJV

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Nerves – cranial nerves: IX, X, XI, XII – sympathetic plexus

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Lymph nodes – deep cervical chain (jugulodigastric)

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DD: neurogenic tumor / paraganglioma

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