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Cervical lymph nodes

cervical lymph nodes, cervical lymph nodes diagram
Cervical lymph nodes are lymph nodes found in the neck Of the 800 lymph nodes in the human body, 300 are in the neck1 Cervical lymph nodes are subject to a number of different pathological conditions including tumours, infection and inflammation2

Contents

  • 1 Structure
  • 2 Clinical significance
  • 3 History
  • 4 Additional images
  • 5 References
  • 6 External links

Structureedit

There are approximately 300 lymph nodes in the neck, and they can be classified in many different ways1

Commonly used systems have been devised by the American Academy of Otolaryngology and the American Joint Committee on Cancer3

One system divides the nodes as follows:45

  • Level I: Submental and submandibular nodes
    • Level Ia: Submental - found between the anterior belly of the digastric muscles
    • Level Ib: Submandibular triangle - found around submandibular glands in submandibular space
  • Level II: Upper jugular nodes - Between posterior belly of digastric muscles superiorly and hyoid bone inferiorly
    • Level IIa: Anterior, medial, lateral or posterior to internal jugular vein, or if posterior, must not have an intervening fat plane
    • Level IIb: Posterior to internal jugular vein with fat plane between nodes and internal jugular vein
  • Level III: Middle jugular nodes - between the hyoid bone and cricoid cartilage
  • Level IV: Lower jugular nodes - between the cricoid cartilage and the clavicle
  • Level V: Posterior cervical or spinal accessory nodes, posterior to the sternocleidomastoid muscle
    • Level VA: Spinal accessory nodes from skull base to bottom of cricoid cartilage
    • Level VB: Spinal accessory nodes between cricoid and clavicle
  • Level VI: Visceral space lymph nodes - midline group of cervical nodes from hyoid to sternal manubrium, includes prelaryngeal, pretracheal, and paratracheal subgroups
  • Level VII: Superior mediastinal nodes - between carotid arteries from top of manubrium superiorly to innominate vein inferiorly

Clinical significanceedit

Infectious mononucleosis glandular fever affects the cervical lymph nodes which become swollen

The characterization of cancerous lymph nodes on CT scan, MRI or ultrasound is difficult, and usually requires confirmation by other nuclear imaging techniques such as PET scans Tissue diagnosis by fine needle aspiration which has a high rate of accuracy, may also be required Cervical lymph node metastasis is a common feature of papillary thyroid carcinoma67

Historyedit

Henri Rouvière produced an influential classification in 19388 However, this system was based upon anatomical landmarks found in dissection, making it imperfectly suited to the needs of clinicians, which led to new terminology for the lymph nodes that could be palpated

More recently, classification systems have been proposed organized around what can be observed via diagnostic imaging9

Additional imagesedit

Referencesedit

  1. ^ a b "I Classification" Retrieved 2008-02-16 
  2. ^ Eisenmenger, LB; Wiggins RH, 3rd January 2015 "Imaging of head and neck lymph nodes" Radiologic clinics of North America 53 1: 115–32 PMID 25476176 doi:101016/jrcl201409011 
  3. ^ Som PM, Curtin HD, Mancuso AA 1999 "An imaging-based classification for the cervical nodes designed as an adjunct to recent clinically based nodal classifications" Arch Otolaryngol Head Neck Surg 125 4: 388–96 PMID 10208676 doi:101001/archotol1254388 permanent dead link
  4. ^ "Neck Dissection" Archived from the original on 2008-02-20 Retrieved 2008-02-16 
  5. ^ archotolama-assnorg
  6. ^ Chen, C C; Lin, J C; Chen, K W 2015 "Lymph node ratio as a prognostic factor in head and neck cancer patients" Radiation Oncology 10: 181 PMC 4554293  PMID 26302761 doi:101186/s13014-015-0490-9 
  7. ^ Park, C H; Song, C M; Ji, Y B; Pyo, J Y; Yi, K J; Song, Y S; Park, Y W; Tae, K 2015 "Significance of the Extracapsular Spread of Metastatic Lymph Nodes in Papillary Thyroid Carcinoma" Clinical and Experimental Otorhinolaryngology 8 3: 289–94 PMC 4553362  PMID 26330926 doi:103342/ceo201583289 
  8. ^ Rouvière H Lymphatic system of the head and neck Tobias M, Translator Ann Arbor, MI: Edwards Brothers, 1938
  9. ^ Chong V 2004 "Cervical lymphadenopathy: what radiologists need to know" Cancer Imaging 4 2: 116–20 PMC 1434593  PMID 18250018 doi:101102/1470-733020040020 

External linksedit

  • MedEd at Loyola medicine/pulmonar/PD/pstep23htm
  • http://wwwpatientcouk/showdoc/27000835/
  • anatomy of the cervical lymphatics

cervical lymph nodes, cervical lymph nodes anatomy, cervical lymph nodes assessment, cervical lymph nodes cancer, cervical lymph nodes diagram, cervical lymph nodes groups, cervical lymph nodes in neck, cervical lymph nodes levels, cervical lymph nodes palpation, cervical lymph nodes swollen


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Cervical lymph nodes


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    Cervical lymph nodes beatiful post thanks!

    29.10.2014


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