Paravertebral Space Pleura Boundary — FRCA Primary MCQ
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Correct answer: D — Parietal pleura
The thoracic paravertebral space is bounded: posteriorly by the superior costotransverse ligament / medially by the vertebral body and intervertebral foramen / anterolaterally by the parietal pleura. It contains the intercostal nerves / dorsal rami / sympathetic chain / and intercostal vessels. Paravertebral block provides unilateral somatic and sympathetic blockade.
Reference: RCoA 2021 Primary FRCA Curriculum