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تعداد آیتم قابل مشاهده باقیمانده : 3 مورد
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Anterior thymic region (N1) - Anterior mediastinal and anterior cervical nodes

Anterior thymic region (N1) - Anterior mediastinal and anterior cervical nodes
Region boundaries Node groups[1,2] Node group boundaries
  • Superior: Hyoid bone
  • Lateral (neck): Medial border of carotid sheaths
  • Lateral (chest): Mediastinal pleura
  • Anterior: Sternum
  • Posterior (medially): Great vessels, pericardium
  • Posterior (laterally): Phrenic nerve
  • Inferior: Xiphoid, diaphragm
Low anterior cervical: Pretracheal, paratracheal, perithyroid, precricoid/Delphian
(AAO-HNS/ASHNS Level 6/IASLC Level 1)
  • Superior: Inferior border of cricoid
  • Lateral: Common carotid arteries
  • Inferior: Superior border of manubrium
Perithymic
  • Proximity to thymus
Prevascular
(IASLC Level 3a)
  • Superior: Apex of chest
  • Anterior: Posterior sternum
  • Posterior: Anterior superior vena cava 
  • Inferior: Carina
Paraaortic, ascending aorta, superior phrenics
(IASLC Level 6)
  • Superior: Line tangential to superior border of aortic arch
  • Inferior: Inferior border of aortic arch
Supradiaphragmatic/inferior phrenics/pericardial (along inferior poles of thymus)
  • Superior: Inferior border of aortic arch
  • Anterior: Posterior sternum
  • Posterior: Phrenic nerve (laterally) or pericardium (medially)
  • Inferior: Diaphragm
Region and node group boundaries adapted directly from definitions established by AAO-HNS, ASHNS, and IASLC.
AAO-HNS: American Academy of Otolaryngology-Head and Neck Surgery; ASHNS: American Society for Head and Neck Surgery; IASLC: International Association for the Study of Lung Cancer.
References:
  1. Rusch VW, Asamura H, Watanabe H, et al. The IASLC lung cancer staging project: a proposal for a new international lymph node map in the forthcoming seventh edition of the TNM classification for lung cancer. J Thorac Oncol 2009; 4:568.
  2. Robbins KT, Clayman G, Levine PA, et al. Neck Dissection Classification Update: Revisions Proposed by the American Head and Neck Society and the American Academy of Otolaryngology-Head and Neck Surgery. Arch Otolaryngol Head Neck Surg 2002; 128:751.
Reproduced from: Bhora FY, Chen DJ, Detterbeck FC, et al. The ITMIG/IASLC Thymic Epithelial Tumors Staging Project: A Proposed Lymph Node Map for Thymic Epithelial Tumors in the Forthcoming 8th Edition of the TNM Classification of Malignant Tumors. J Thorac Oncol 2014; 9:S88. Table used with the permission of Elsevier Inc. All rights reserved.
Graphic 122373 Version 1.0

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