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Mediastinum cross sections

lung. lung. heart. Mediastinum cross sections. 04/02/2019 Viktória Vereczki M.D., PhD. Department of Anatomy , Histology and Embryology Semmelweis University. Divisions of mediastinum. in Gray’s: Superior mediastinum Anterior mediastinum Middle mediastinum

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Mediastinum cross sections

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  1. lung lung heart Mediastinum cross sections 04/02/2019 Viktória Vereczki M.D., PhD. Department of Anatomy, Histology and Embryology Semmelweis University

  2. Divisions of mediastinum in Gray’s: Superior mediastinum Anterior mediastinum Middle mediastinum Posterior mediastinum in Réthelyi-Szentágothai : Anterior mediastinum -supracardiac -cardiac Posterior mediastinum

  3. lung lung heart Mediastinum Mediastinum anterius -mediastinum supracardiacum: 1. thymus –corpus adiposum retrosternale 2. great veins 3. great arteries 4. n. phrenicus 5. n. vagus 6. n. laryngeus recurrens 7. trachea -mediastinum cardiacum: pericardium and heart Mediastinum posterius 1. oesophagus 2. aorta thoracica 3. aa. intercostales 4. ductus thoracicus 5. v. azygos, v. hemiazygos, v. hemiazygos accessoria 7. truncus sympathicus 8. nn. splanchnicus minor et major 9. nn. Intercostales 10. nn. vagi

  4. Anterior mediastinum

  5. Mediastinum anterius -mediastinum supracardiacum: 0. endothoracic fascia 1. thymus –corpus adiposum retrosternale 2. great veins 3. great arteries 4. n. phrenicus 5. n. vagus 6. n. laryngeus recurrens 7. trachea

  6. Mediastinum anterius -mediastinum supracardiacum: 0. endothoracic fascia 1. thymus –corpus adiposum retrosternale 2. great veins 3. great arteries 4. n. phrenicus 5. n. vagus 6. n. laryngeus recurrens 7. trachea

  7. Thymus The neonatal thymus: From a 9 year old female from 80 old male

  8. Great veins Brachiocephalic veins

  9. Great arteries a. carotis comm. sin.

  10. Phrenic nerve

  11. Vagus nerve- recurrent laryngeal nerve Ligamnetum arteriosum

  12. Trachea (+ nodi lymphatici paratracheales, bronchomediatinales) Th4

  13. Laryngo-bronchoscopia Carina tracheae Plica vocalis

  14. Posterior mediastinum

  15. Mediastinum posterius –right view 1. oesophagus 2. aorta thoracica 3. aa. intercostales 4. ductus thoracicus 5. v. azygos, v. hemiazygos, v. hemiazygos accessoria 7. truncus sympathicus 8. nn. splanchnicus minor et major 9. nn. intercostales 10. nn. vagi

  16. Mediastinum posterius –left view 1. oesophagus 2. aorta thoracica 3. aa. intercostales 4. ductus thoracicus 5. v. azygos, v. hemiazygos, v. hemiazygos accessoria 7. truncus sympathicus 8. nn. Splanchnicus minor et major 9. nn. Intercostales 10. nn. vagi

  17. Azygos vein system

  18. Azygos vein system

  19. Thoracic duct and thoracic lymph nodes

  20. Thoracic duct and thoracic lymph nodes

  21. Thoracic sympathetic trunc

  22. Mediastinal imaging

  23. Postero-anterior X ray

  24. Lateral X ray

  25. Lateral X ray after swallowing barium

  26. CT in the supracardial mediastinum At the 1st costochondral junction • Manubrium • Right brachiocephalictrunc • Right brachiocephalicvein • Trachea • Scapula • 6. leftbrachiocphalicvein • 7. Leftcommoncarotidartery • 8. Leftsubclavianartery • 9. esophagus

  27. CT in the supracardial mediastinum T3 • brachiocephalic vein • Pretracheal space • Trachea • esophagus • Pectoralis major • Left subclavian artery Left subclavian artery • scapula

  28. CT in the supracardial mediastinum T4 • 2. Superiorvenacava • 3. Pretrachealspace • 4. Trachea • 5. Arch of aorta • 6. esophagus

  29. CT in the supracardial mediastinum T6 • 1. Ascending aorta • 2. Superiorvenacava • 3. Right pulmonaryartery • 4. Right principalbronhc • 5. Subcarinalspace • 6. Esophagus • 7. Azygosvein • 8.Trunk of pulmonaryartery • 9. Leftsuperiorpulmonaryvein • 10. Leftprincipalbronchus • 11. Inferiorbranch of theleftpulmonaryartery • 12. Descending aorta

  30. CT in the supracardial mediastinum T7 • 1. Aorticroot • 2. Leftatrium • 3. Esophagus • 4. Azygosvein • 5. Right ventricular outflow track • 6. Leftinferiorpulmonaryvein • 7. Descending aorta

  31. Thankyou! References: Gray’s Anatomy, 41st ed. 2016 M. Réthelyi and J. Szentágothai: Functional Anatomy 2018

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