abdomen

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abdomen

  1. 1. „Selected Chapters from the Cross-Sectional Anatomy of the Human Body” Abdominal anatomyAndrás Jakab MD, Levente István Lánczi MD
  2. 2. Structure of the lecture -abdomen Bones and Muscles Abdominal aorta and its branches; veins The GIT – from esophagus to rectum Intraabdominal organs (liver, spleen, kidneys, pancreas) Clinical cases
  3. 3. Bones &muscles
  4. 4. diaphragmquadratuslumborum m. psoas major m.iliacus m.transverseabdominal m.
  5. 5. rectus abdominis external oblique m. abdominal m. linea alba intercostal mm.The structureof the external oblique abdominal m.abdominal wall Internal oblique psoas major m. abdominal m. transverse abdominal m. quadratus lumborum m. longissimus thoracis m.
  6. 6. T12
  7. 7. L1
  8. 8. L2
  9. 9. L3
  10. 10. L5
  11. 11. Abdominal aorta and its branches Parietal braches (paired)  lumbal aa.  median sacral a. Paired, visceral branches  middle suprarenal a.  renal a.  testicular/ovarian a.
  12. 12. Impaired visceral branches ofabdominal aorta Impaired visceral branches  celiac tr. T12 –L1  left gastric a.  splenic a.  short gastric aa.  left gastro-omental artery  common hepatic a.  gastroduodenal a.  right gastro-omental artery  proper hepatic a.  superior mesenteric a.  inferior pancreaticoduodenal a.  jejunal and ileal aa.  ileocolic a.  right colic a.  middle colic a.  Inferior mesenteric a.  left colic a.  sigmoid aa.  superior rectal a.
  13. 13. a. gastrica sinistraa. hepaticacommunis tr. coeliacus a. lienalis
  14. 14. Left gastrica a. Common hepatic a. Gastroduodenal a.Proper hepatic a.Right gastric a. Splenic a. Right and left Superior posterior gastro-omental aa. pancreaticoduodenal a.
  15. 15. Superior mesenteric arteryand its branches Middle colic a. Marginal artery of the colon (Drummond) Right colic a. Ileocolic a. cecal & appendicular aa.
  16. 16. Inferior mesenteric arteryand its branches Marginal artery of the colon (Drummond) Left colic a. Sigmoid aa. Superior rectal a.
  17. 17. Veins Portal vein  Splenic v.  Superior mesenteric v.  Inferior mesenteric v. Inferior vena cava  Hepatic vv.  Suprarenal v.  Renal vv.  Testicular/ovarian v.
  18. 18. T12 L1
  19. 19. L1
  20. 20. L2
  21. 21. L3
  22. 22. The Gastrointestinal Tract
  23. 23. Esophagus
  24. 24. TheStomach, Duodenum and Pancreas
  25. 25. The stomachAnatomy• cardia• fundus• body• pylorusArteries (celiac tr.)• Left gastric a. (tc)• Right gastric a. (hc)• Left gastro-omental a. (l)• Right gastro-omental a. (gd)• Short gastric aa. (l)
  26. 26. The stomachAnatomical landmarks cardia: Th11 pylorus: L1 fundus: gastric air sacNeighbouring structures liver, spleen, left kidney, diaphargm, transver se colon, pancreas
  27. 27. DuodenumParts Superior part Superior doudenal flexure Descending part Inferior doudenal flexure Inferior part
  28. 28. DuodenumAnatomical landmarks pylorus: L1 Descending part: L1-3Neighbouring structures liver, gall bladder, right kidney, transverse colon, pancreas head
  29. 29. The pancreasAnatomy parts• head – uncinate process• body• caudaDucts• major pancreatic duct• minor pancreatic duct• Vater papillaArteries• superior pancreatoduodenal a. (ct)• inferior pancreatoduodenal a. (ms)
  30. 30. Ductsof the pancreas and the gall bladder
  31. 31. diaphragm ADThe abdomen G Pancreas head VP L1 Transverse colon duodenum IVC Superior mesenteric a. L5 jejunum, ileum R Urinary bladder R
  32. 32. Axial cross sectionTh11 LA H G VCI A Th11 L
  33. 33. Axial cross sectionTh12 G H VP VCI A VL P Th12 L
  34. 34. Axial cross sectionL1 CT G J VB P H VP VL AMS J VCI J A CD L1
  35. 35. Axial cross sectionL1 G CT J H J VP P CD VCI A RD L1 RS L
  36. 36. Small intestines Duodenum Jejunum Ileum Ileocoecal junction
  37. 37. Ileum, cecum, colonColon, ascending Ileocecal junction Ileocecal valve Ileum Cecum Aperture of appendix Appendix vermiformis
  38. 38. Parts of Colon Left flexure ofRight flexure colonof colonTransversecolonAscending Descendingcolon colonCecum Sigmoid colon appendix vermiformis Rectum
  39. 39. GIT on cross sectional slices
  40. 40. T12
  41. 41. T12
  42. 42. L1-2
  43. 43. L1-2
  44. 44. L2
  45. 45. L3
  46. 46. L3
  47. 47. L4
  48. 48. L4
  49. 49. L5/S1
  50. 50. L5 / S1
  51. 51. The Liver Position  Right hypochondrium, epigastrium, left hypochondrium  Upper border: 5th rib  Lower border: right lower ribs Lobes  Right hepatic lobe  Left hepatic lobe  Quadrate lobe  Caudate lobe Ligaments:  Falciform lig.  Lig. teres  Right and left coronal lig.  Hepatorenal lig.  omentum minus: lig. hepatogastricum et hepatoduodenale
  52. 52. Macroscopic anatomy of the liver lig. falciforme hepatis lig. coronarium diaphragmalobus hepatis dexter lobus hepatis sinister lig. teres hepatis vesica fellea margo inferior
  53. 53. Macroscopic anatomy of the liver v. cava inferior lobus caudatus lig. coronarium lig. venosum v. portae hepatis a. hepatica propria vesica fellealobus hepatis sinister lig. teres hepatis lobus lobus hepatis dexter quadratus
  54. 54. Vessels of the liver Proper hepatic a. Vena hepatica sinistra / dextra / intermedia v. portae VCI Choledochal duct
  55. 55. Segments of the liver Couinaud Caudate lobe: I. Left lobe  lateral: II., III. Right lobe  medial: IVa / IVb  inf.: IV-V-VI  sup.: VII – VIII - IX
  56. 56. Segments of the liver demonstrated on IMAIOS
  57. 57. Gall bladder and biliary ductsGall bladder Hepatic duct (communis)Cystic duct Common bile duct (biliaris) Pancreatic duct Orifice of pancreatic duct; Major duodenal papilla
  58. 58. Spleen Position: 8-11 rib; left hypochondrium Parts:  Diaphragmatic face  Gastric face  Renal face  Colic face  hilus lienalis Vessels  Splenic a. & v.
  59. 59. Kidney Parts:  hilus  sinus  pelvis ureter Position:  Th12-L1-2  Right kidney: lower Vessels:  Renal a. & v. Adrenal glands:  Upper pole of the kidney, inside the adiopose capsule  cortex, medulla
  60. 60. T12 T12 – L1 LeftRight VCI AO L3L3
  61. 61. T12
  62. 62. L1
  63. 63. L2
  64. 64. Főbb képletek azonosítása IMAIOS
  65. 65. L2
  66. 66. L3
  67. 67. L4
  68. 68. L5
  69. 69. S1

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