APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -Knowledge of grouping and location of cervical lymph nodes is necessary. For palpation of preauricular nodes, roll your finger in front of the ear, against the maxilla. Sub occipital lymph nodes are palpable immediately behind the ear. Posterior cervical nodes are behind sternomastoid and in front of Trapezius.

Detailed explanation-2: -Level 6 Cervical Lymph Nodes The anterior compartment contains the paratracheal and Delphian nodes. Level 6 is medial to levels III and IV. It drains the thyroid, parathyroid, cervical oesophagus, and larynx.