Cervical plexus block (CPB) is a regional anesthesia technique commonly used during carotid endarterectomy (CEA), a surgical procedure aimed at reducing the risk of stroke by correcting stenosis ...

A. The drawing shows intracranial upstream lymphatic regions #1, #2, and #3 that drain through the nasopharyngeal lymphatic plexus (NPLP) en route to medial deep cervical lymphatics and deep ...