Where do lymph nodes in neck drain?
All the lymph from the region of head and neck drains into deep cervical lymph nodes. The efferents from these nodes form the jugular trunk. On the right side, jugular trunk drains into right lymphatic duct. On the left side, jugular trunk drains into thoracic duct.
Which lymph nodes drain what?
Sentinel node is the first node that drains an area within a group of lymph nodes, hence, the first node which will be involved by cancer….Lymphatic drainage of the gastrointestinal tract.
| Part of GIT | Draining lymph nodes |
|---|---|
| Stomach, pancreas, liver, spleen, upper duodenum | Celiac lymph nodes |
What do posterior cervical lymph nodes drain?
The deep posterior cervical group includes 1-3 nodes. This group of nodes is located deep to the splenius capitis and follows the course of the occipital artery. These nodes drain the scalp, the posterior portion of the neck, and it’s the deep muscular layers of the neck.
How does lymph drain?
Lymph, along with antigens, drains into the node through afferent (incoming) lymphatic vessels and percolates through the lymph node, where it comes in contact with and activates lymphocytes.
What is a Level 6 neck dissection?
This operation involves excision of the level VI lymph nodes (selective neck dissection [VI]). The procedure is indicated for the treatment of cancers of the thyroid gland (see image below), hypopharynx, cervical trachea, cervical esophagus, and subglottic larynx.
How many lymph nodes are in the neck?
The lymph nodes in the neck have historically been divided into at least six anatomic neck lymph node levels for the purpose of head and neck cancer staging and therapy planning. Differing definitions exist across specialties 1-4.
How can I tell which lymph nodes are affected by surgery?
Sometimes your surgeon can tell which lymph nodes are affected by examining you. If this isn’t possible, you may need to have a computed tomography (CT) scan or ultrasound of your neck so your surgeon can see the area better. Figure 1. Levels of lymph nodes
When is a neck dissection considered a comprehensive dissection?
Fig. 1. Lymph node levels of neck Medina et al has suggested that the term”comprehensive neck dissection” be used whenever all of the lymph nodes contained in levels I through V have been removed. Hence, the radical neck dissection and modified radical neck dissection would each be considered a comprehensive neck dissection.
What is radradical neck dissection (RND)?
Radical neck dissection (RND) – This involves the removal of Level I-V lymph nodes with the removal of the spinal accessory nerve (SAN), Internal jugular vein (IJV) and Sternocleidomastoid muscle (SCM).