The lymph nodes in the neck are divided into 8 zones.
The lymph nodes in the neck can be subdivided into 8 zones according to the location of the lymph nodes, including: pre-auricular lymph nodes, post-auricular lymph nodes, occipital lymph nodes, submandibular lymph nodes, sub-chin lymph nodes, anterior cervical lymph nodes, posterior cervical lymph nodes, and supraclavicular lymph nodes. In some cases, the submandibular lymph nodes and the lymph nodes under the chin are grouped together as one zone, while others believe that the cervical lymph nodes can be divided into seven zones.
Bacterial infection, viral infection, malignant tumor lymph node pathway diffusion metastasis and other reasons can cause cervical lymph node enlargement. Such as acute tonsillitis, acute pharyngitis, etc., due to the serious spread of inflammation spread to the cervical lymph nodes, can lead to lymph node enlargement.