2016_Head & Neck COURSE BOOK

Lower RPS: virtual space

RPS Mass

Pre-RT

3 months post-RT

Post-RT edema

Retropharyngeal space / Danger space ‘Elevator space’

Retropharyngeal space / Danger space

Tonsillitis + RP nodes

Neck abcess extending into mediastinum

Perivertebral space (PVS) Contents

PVS Mass prevertebral portion

PVS: Prevertebral / Paraspinal portion

Muscles – scalene, prevertebral / paraspinal Nerves – brachial plexus, phrenic

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Vertebral artery / vein

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Vertebral body

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