1 Department of Anatomy CLINICAL ANATOMY OF THE NECK AND CHEST MUDr. Marek Joukal, Ph.D. Against head: protuberantia occipitalis ext. linea nuchae sup. porus acusticus ext. Base of mandible Against chest: Incisura jugularis sterni clavicula acromion vertebra prominens Against nuchal region: processus mastoideus Margine of the m. trapezius acromion Regiones coli - limitation regio colli ant. trigonum omotracheale (infrahyoideum) trigonum submandibulare trigonum submentale trigonum caroticum regio sternocleidomastoidea regio colli laterale trigonum omoclaviculare trigonum omotrapezoideum trigonum scalenovertebrale Regiones coli Cervical fascia Lamina superficialis fasciae cervicalis Lamina praetrachealis fasciae cervicalis Lamina praevertebralis fasciae cervicalis Trigonum omotracheale (regio infrahyoida) Superficial layers: skin (prominentia laryngea) m. platysma (ansa cervicalis spf.) lamina spf. fasciae cervicalis vena jugularis ant. lamina praetrachealis fasciae cervicalis Spatium suprasternale (above the sternum, between lamina spf. and praetrachealis) Fatty tissue arcus venosus juguli Trigonum omotracheale (visceral layer) Infrahyoid muscles (ansa cervicalis prof.) larynx, trachea (C6) pharynx, oesophagus (C6) a., v. thyroidea sup. et inf, a., v. laryngea sup. n. laryngeus sup. (ramus int. et ext.) n. laryngeus inf. gl. thyroidea ggl. parathyroidae pharynx, oesophagus (C6) 2 Trigonum submandibulare Borders: m. digastricus mandibule tractus angularis - divides gl. parotis and gl. submandubularis Content: platysma, superficial lamina of cervical f. glandula submandibularis a.,v. facialis (a., v. submentalis) n. mylohyoideus n. lingualis + ggl. Submandibulare n. hypoglossus (arcus) n. lymphatici submandibulares Trigonum submandibulare Trigonum Pirogowi (ligation of lingual a.): m. digastricus n. hypoglossus m. mylohyoideus Béclard´s angles (beggining of lingual a.): cornu majus ossis hyoidei n. hypoglossus Trigonum submentale Borders: m. digastricus – anterior belly (bilat.) hyoid bone Content: m. platysma Spf. lamina of cervical fascia nodi lymphatici submentales Trigonum caroticum Borders: Anterior margine of m. sternocleidomastoideus venter superior m. omohyoidei venter posterior m. digastrici Major content: bifurcatio carotidis (C4) (a. carotis com. -> a. carotis ext. et int.) glomus caroticum Trigonum caroticum – vessels vena jugularis int. and tributaries (nodi lymphatici cervicales prof.) a. carotis com. a. carotis int. – dorsomedially (no branches!!!) a. carotis ext. a. thyroidea sup. a. lingualis a. facialis a. pharyngea sup. a. occipitalis a. auricularis post Trigonum caroticum – nerves n. vagus n. laryngeus sup. n. hypoglossus (arcus) radix sup. ansae cervic. prof. ansa cervicalis prof. (infrahyoid mm.) truncus sympaticus (praevertebral fascia) ggl. cervicale sup. et med. 3 Regio sternocleidomastoidea Borders: m. sternocleidomastoideus (fossa supraclavicularis minor) Layers: skin and m. platysma v. jugularis ext. + n. lymph. cevicales spf. punctum nervosum lamina spf. fasciae cervicalis + m. sternocleidomastoideus n. accesorius + a. sternocleidomastoidea (a. carotis ext.) Regio colli laterale – superficial layer Borders: post. margin of m. sternocleidomastoideus, ant. margin of m. trapezius, clavicula venter inferior m. omohyoidei -> trigonum omoclaviculare and trigonum omotrapezium Skin and m. platysma v. jugularis ext. + n. lymph. cevicales spf. punctum nervosum n. transversus coli (r. coli n. facialis – ansa cervicalia spf.) n. auricularis magnus n. occipitalis minor nn. supraclaviculares lamina spf. fasciae cervicalis Regio colli laterale – deep layer n. accesorius (m. trapezius) plexus cervicalis (n. phrenicus) supraclavicular part of plexus brachialis n. dorsalis scapulae n. suprascapularis n. thoracicus longus nn. pectorales nn. subscapulares n. thoracodorsalis Arteries (braches of a. subclavia): a. cervicalis ascendens a. cervicalis spf. a. transversa coli a. suprascapularis nodi lymph. cervicales prof. Regio coli laterale – deep layer v. subclavia fissura scalenorum: a. subclavia plexus brachialis Trigonum scalenovertebrale (trigonum a. subclaviae) Borders: caudal: cupula pleurae (2 cm above the clavicle) lateral: m. scalenus ant. medial: organs (trachea, thyroid gland, esophagus) dorsal: m. longus coli ventral: m. sternocleidomastoideus Content: angulus venosus –v. subsclavia + v. jugularis int. (dx. tr. lymphaticus dx.; sin. ductus thoracicus) a. subclavia and branches (dx. tr. brachiocephalicus) n. vagus – n. laryngeus reccurens tr. symphaticus and branches – ansa subclavia ggl cervicale inf. n. phrenicus Glandula thyroidea 4 • Ramus externus n. laryngei sup., vasa laryngea sup. • Ramus externus n. laryngei sup. • Vasa thyroidea superiora (rr. Glandulares • Nervus laryngeus recurrens • Vasa thyroidea inf. • Glandulae parathyroideae Tracheostomia Coniotomia Laryngocele 5 Laryngectomia totalis Electrolarynx IIa-IIb – n. XI II-III – bifucration of carotis, os hyoideum III-IV – m. omohyoideus, cartilago cricoidea Lymphatic nodes dissection Pharynx Trigonum Kiliani Trigonum Laimer-Haeckerman Zencker´s diverticulum Swallow 6 Hypoglossus – Facialis anastomosis Local anesthesia of the cervical plexus Block of the brachial plexus Central venous catheter Vena subclavia Central venous catheter – vena jugularis interna Thoracic outlet syndrome 7 Cervical rib Subclavian steal fenomen CHEST Superficial border against neck: Incisura jugularis sterni clavicula acromion vertebra prominens (C7) Superficial border against abdomen: arcus costarum Deep border against neck: apertura thoracis superior Deep border against abdomen: diaphragm Orientation lines on the chest Linea mediana anterior Linea sternalis Linea parasternalis Linea medioclavicularis Linea axillaris ant. Linea axillaris media Orientation lines on the chest Linea mediana post. Linea paravertebralis Linea scapularis Linea axilaris post. Regiones thoracis 8 Thoracic wall Skin and subcutaneous tissue v. thoracoepigastrica rr. cutanei ant. et lat. (nn. intercostales) fascia pectoralis Heterochtonous muscles of the chest mm. intercostales: ext. + membrana intercostalis ext. int. + membrana intercostalis int. intimi v., a., n. intercostalis (VAN) v sulcus costae fascia endothoracica A parasternal B anterior axillary C paravertebral 1 Fascia thoracica spf. 2 fascia endothoracica 3 pleura parietalis 4 membrana intercostalis externa 5-7 mm. Intercostales int., ext. et intimus 8 membrana intercostalis int. 9 m. transversus thoracis Puncture of the chest Presternal region Borders: sternum Content: skin – hairs, glands Subcutaneous tissue innervation nn. supraclaviculares periost (membrana sterni ext.) sternum membrana sterni int. m. transversus thoracis fascia endothoracica Trigonum deltoideopectorale (clavipectorale) Borders: clavicula m. deltoideus m. pectoralis major Content: Skin and subcutaneous tissue v. cephalica (sulcus deltoideopectoralis) innervation nn. supraclaviculares fascia clavipectoralis a. thoracoacromialis (a.axillaris) nn. pectorales Regio mammaria Breast morphology: skin areola mammae (gll. areolares mammae) papilla mammae (area cribriformis, ductus lactiferi) Subcutaneous tissue: m. subareolaris praemammary fat corpus mammae with proc. axillaris retromammary fat fascia pectoralis mm. pectorales Borders: from 3rd to 6th intercostal space linea axillaris ant. – linea parasternalis (sinus mammarum) 9 Arteries: a. thoracica interna (rr. mammarii med.) a. thoracica lateralis (rr. mammarii lat.) a. thoracica suprema aa. intercostales post. (from 4. – Piet´s papillary artery) Veins circulus venosus Halleri Innervation: nn. intercostales Regio mammaria nll. axillares Sorgius l.n. (m. serratus ant.) nll. parasternales nll. supraclaviculares nll. intercostales nll. mediastinales ant. Regio mammaria – lymphatic drainage cupula pleurae (2 cm above clavicle) pleura parietalis: costalis, diaphragmatica, mediastinalis pleura parietalis et visceralis cavitas pleuralis dextra et sinistra lig. pulmonale, mediastinum Cavitates pleurales Recessus pleurales recessus costodiaphragmaticus, costomediastinalis, phrenicomediastinalis Projection of the pleura and lungs cupula pleurae – 2 cm above clavicle art. sternoclavicularis – 2nd sternocostal connection area interpleuralis sup. (thymica) 4th sternocostal connection –incisura cardiaca (left) to 6th rib area interpleuralis inf. (pericardiaca) linea medioclavicularis – 7th rib linea axillaris ant. – 8th rib Lungs ventrally – similar to pleura caudally –1 to 2 intercostal spaces canially Pleura: linea medioclavicularis – 7th rib linea axillaris ant. – 8th rib linea axillaris med. – 9th rib linea axillaris post. – 10th rib Lungs: 1 or 2 intercostal spaces cranially Projection of the pleura and lungs 10 Caudal border - pleura: linea axillaris post. – 10th rib linea scapularis – 11th rib linea paravertebralis – 12th rib Posterior border - pleura: From 12th rib in paravertebral line to cupula pleurae Th12 - Th4 on the right – recessus retrooesophageus Caudal border - lungs: 1 or 2 intercostal spaces cranially Posterior border: Paravertebral line (bilat.) Projection of the pleura and lungs valva aortae valva tricuspidalis valva trunci pulmonalis valva bicuspidalis Projection of the heart Auscultation points: A 2nd right intercostal space – 1 cm from sternum B 5th right intercostal space – next to the sternum C 5th left intercostal space– 1cm medially from linea medioclav. D 2nd left intercostal space – 2cm from sternum Coronary arteries Arteria coronaria cordis dextra r. coni arteriosi r. nodi sinuatrialis r. nodi atrioventricularis rr. atriales dx. rr. ventriculares dx. r. marginalis dx. r. interventricularis post. Arteria coronaria cordis sinistra r. interventricularis ant. r. coni arteriosi r. lateralis rr. interventriculares septales r. circumflexus r. marginalis sin. rr. atriales r. nodi sinuatrialis r. nodi atriovetricularis facies sternocostalis facies diaphragmatica a. coronaria cordis sin. a. coronaria cordis dx. RCx – ramus circumflexus RIM – ramus intermedius RIA – ramus interventricularis anterior RD – ramus diagonalis RCA – right coronary artery RIVP – ramus interventricularis posterior RPLD – ramus posterolateris dexter Coronarography Percutaneous transluminal coronary angioplasty (PTCA) 11 Coronary artery bypass surgery Mediastinum Space between pleaural cavities Mediastinum superius apertura thoracis sup. –> plane of sternal angle and 4th intervertebral disc Mediastinum inferius: anterius – between sternum and pericardium medium – pericardiac sac with heart posterius – between pericardium and vertebrae thymus Venous layer vv. brachiocephalicae + v. cava sup. Arterial layer tr. pulmonalis, aorta asc., arcus aortae + branches tr. symphaticus + branches n.vagus – n. laryngeus recurrens ! n. phrenicus trachea – bifurcatio + bronchi esophagus nnl. mediastinales anteriores Mediastinum superius Superior vena cava syndrome Mediastinum anterius ligg. pericardiacophrenica vasa thoracica int. – branches and tributaries nnl. parasternales vasa pericardiacophrenica n. phrenicus nll. mediastinales ant. Mediastinum medium hilus pulmonis dx. (BAV) bronchus principalis dx. a. pulmonalis dx. vv. pulmonales dx. hilus pulmonis sin. (ABV) a. pulmonalis sin. bronchus principalis sin. vv. pulmonales sin. 12 Mediastinum posterius oesophagus n. vagus plexus oesophageus aorta thoracica v. azygos Th7-Th9 v. hemiazygos, v. hemiazygos acc. ductus thoracicus between v. azygos, aorta truncus sympaticus nn. splanchnici major (Th6-9), minor (Th10-11), imus (Th12) nll. mediastinales post. SEGMENTA BRONCHOPULMONALIA SEGMENTA BRONCHOPULMONALIA DEXTRA 1 2 3 4 6 7 8 9 10 1 2 3 4 5 6 8 910 LOBUS SUPERIOR (1) seg. apicale (2) seg. posterius (3) seg. anterius LOBUS MEDIUS (4) seg. laterale (5) seg. mediale LOBUS INFERIOR (6) seg. apicale (7) seg. basale mediale (8) seg. basale anterius (9) seg. basale laterale (10) seg. basale posterius SEGMENTA BRONCHOPULMONALIA SINISTRA LOBUS SUPERIOR (1+2) seg. apicoposterius (3) seg. anterius (4) seg. lingulare superius (5) seg. lingulare inferius LOBUS INFERIOR (6) seg. apicale (7) seg. basale mediale reduced (8) seg. basale anterius (9) seg. basale laterale (10) seg. basale posterius 1 + 2 3 3 44 5 5 6 6 10 109 9 8 7+8 2 + 1 Approaches to the chest Video-assisted thoracoscopic surgery (VATS) 13 MECHANISM OF BREATHING INSPIRATION Diaphragmatic contraction (abdominal type) mm. intercostales externi (costal type) Capacity of thoracic cavity is increased: EXSPIRATION Capacity of thoracic cavity is decreased: • Diaphragm and mm. intercostales externi are relaxed • Contraction of mm. intercostales interni a intimi • Weight of thorax • Elasticity of rib cartilages • Elasticity of lungs • Pressure of abdominal organs Forced breathing References: Putz, R. et al.: Atlas of Human Anatomy Sobotta. Elsevier Books, (2008). Netter, F. H.: Interactive Atlas of Human Anatomy. Windows Version 2.0. (1999). Čihák R: Anatomie 2 (Splanchnologia). Avicenum, zdravotnické nakladatelství, Praha, (1988). Čihák, R.: Anatomie 3. Praha, Grada, (2004). Platzer, W. et al.: Atlas topografické anatomie. Grada Publishing, (1996). Grim, M. a kol.: Základy anatomie. 5. Anatomie krajin těla. Galén, (2002). Moore, K. L.: Clinical oriented anatomy. Third edition. Williams & Wilkins, A Waverly Company, (1992). Gilroy, A. M. et al.: Atlas of Anatomy. Thieme New York, Stuttgart. (2009). Sobotta, J.: Atlas of Human Anatomy Vol 1–2 Munich, Urban und Schwarzenberg, (1993)Wiliams, P. & Warvick, R.: Gray´s Anatomy, 37 ed, Churhill Livingstone, (1996).