Are Level 2 lymph nodes deep?

Level II: upper internal jugular (deep cervical) chain.

What is a Level 2 cervical lymph node?

Level II: Upper jugular nodes (Subdigastric nodes) – around the upper third of the internal jugular vein and adjacent accessory nerve. The upper boundary is the base of the skull and the lower boundary is the inferior border of the hyoid bone.

How big should level 2 lymph nodes be?

Furthermore, the size criteria for lymph nodes in level I and levels III through V should be smaller than that for level II. We found that a minimum axial diameter of 7 mm for level II and 6 mm for the rest of the N0 neck represented the best compromise be- tween sensitivity and specificity.

What is a 2a lymph node?

Sublevel IIA nodes are located anterior (medial) to the vertical plane defined by the spinal accessory nerve. The upper jugular nodes are at greatest risk for harboring metastases from cancers arising from the oral cavity, nasal cavity, nasopharynx, oropharynx, hypopharynx, larynx, and parotid gland (Figure 3).

What are the levels of the neck?

The neck is divided into 6 areas called Levels. The levels are identified by Roman numeral , increasing towards the chest. Level I: Submental and submandibular nodes Level Ia: Submental triangle. Level Ib: Submandibular triangle. Level II: Upper jugular nodes. Level III: Middle jugular nodes.

What is a Level 2 cervical node?

Lymph nodes from level II (upper jugular nodes, deep cervical chain) extend from the skull base to the level of the bottom of the body of the hyoid bone. They are posterior to the back of the submandibular gland and anterior to the back of the sternocleidomastoid muscle.

How many lymph nodes in neck?

Lymph nodes found in your neck are called cervical lymph nodes. There are about three hundreds lymph nodes in your neck area and they are classified in different ways.

What are neck nodes?

neck nodes. Any of the groups of lymph nodes in the neck, which may be excised in a selective or radical neck operation for cancer.