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General Surgery

Stomach Surgical Anatomy

Built from Skandalakis' Surgical Anatomy: The Embryologic and Anatomic Basis of Modern Surgery

What’s inside

12 sections · 199 slides

  1. 01

    Overview

    • Scope of this topic
    • Definition of the surgical stomach
    • Historical landmarks in gastric surgery
    • Anatomic and Surgical History of the Stomach
    • Anatomic and Surgical History of the Stomach (continued)
    • Anatomic and Surgical History of the Stomach (continued)
    • Anatomic and Surgical History of the Stomach (continued)
    • Anatomic and Surgical History of the Stomach (continued)
    • Anatomic and Surgical History of the Stomach (continued)

    9 slides

  2. 02

    Embryogenesis of the stomach

    • Formation of the gastric primordium
    • Rotation about the longitudinal axis
    • Rotation about the anteroposterior axis
    • Two hypotheses for gastric rotation
    • Growth theory of the curvatures
    • Prenatal and adult gastric shape
    • Left-hand mnemonic for gastric embryogenesis
    • Left hand at the embryonic foregut
    • Sequence of gastric wall differentiation
    • Development of gastric pits and surface epithelium

    10 slides

  3. 03

    Congenital anomalies of the stomach

    • How to read the anomaly table
    • Anomalies of the Stomach
    • Anomalies of the Stomach (continued)
    • Anomalies of the Stomach (continued)
    • Chief locations of congenital anomalies
    • Five types of gastric atresia
    • Proposed mechanisms of gastric atresia
    • Gastric atresia and stenosis: presentation
    • Rammstedt pyloromyotomy
    • Infantile hypertrophic pyloric stenosis
    • Locations of congenital gastric diverticula
    • Duplication of the stomach
    • Congenital defects of the gastric musculature
    • Inversion of the stomach
    • Heterotopic tissue within the stomach
    • Distribution of heterotopic pancreatic tissue
    • Heterotopic gastric mucosa elsewhere in the body
    • Gastric teratoma

    18 slides

  4. 04

    Topography, peritoneal reflections and the omenta

    • Mobility and position of the stomach
    • Fixed points of reference
    • Relations of the stomach in the cadaver
    • Operative hazards from gastric relations
    • Direct extension of gastric cancer
    • Reported frequencies of local invasion and metastasis
    • Peritoneal covering of the stomach
    • Peritoneal reflections and ligaments of the stomach
    • Derivatives of the ventral mesentery
    • Falciform and coronary ligaments
    • Exposing the gastro-oesophageal junction
    • Contents of the hepatogastric ligament
    • Hepatoduodenal ligament and the hepatic triad
    • Arterial variations in the lesser omentum
    • Frequency of lesser omentum arterial patterns
    • Distribution of aberrant hepatic arteries
    • Reported positional distribution in the same series
    • Aberrant left hepatic artery from the left gastric artery
    • Triple vascularisation of the liver
    • Derivatives of the dorsal mesentery
    • Inconstant peritoneal folds of the gallbladder
    • Gastrocolic ligament
    • Gastrosplenic ligament and the bare area
    • Gastrophrenic ligament
    • Phrenoesophageal ligament
    • Ageing of the phrenoesophageal ligament
    • Coronal anatomy of the gastro-oesophageal junction
    • Formation of the greater omentum
    • Greater omentum: structure and function
    • Arterial supply of the greater omentum
    • Preserving the arc of Barkow

    31 slides

  5. 05

    Gastric divisions and the two surgical units

    • Arbitrary subdivisions of the stomach
    • Absence of external landmarks
    • Morphology of the stomach by discipline
    • The two surgical gastric units
    • Proximal gastric surgical unit
    • Level and relations of the abdominal oesophagus
    • Histological oesophagogastric junction
    • Barrett's oesophagus
    • Closure of the cardia
    • Lower oesophageal sphincter and reflux
    • Distal gastric surgical unit
    • The gastric antrum
    • Boundary of the antrum on the curvatures
    • Pyloric sphincter, normal and hypertrophied
    • Muscular architecture of the pylorus
    • First part of the duodenum

    16 slides

  6. 06

    Gastric wall, mucosa and secretory cells

    • Layers of the gastric wall
    • Muscular layer of the stomach
    • Submucosa: the vascular layer
    • Mucosal lining region by region
    • Parietal and chief cells
    • Enteroendocrine cells and their products
    • The Exocrine and Endocrine Cells of the Stomach and Their Secretory Products
    • Gastric mucosal barrier
    • Brunner's glands of the proximal duodenum

    9 slides

  7. 07

    Acid, peptic ulcer disease and Helicobacter pylori

    • Distribution of parietal cell mass
    • Gastrin and mucus territories
    • The acid antrum
    • Nerve of Latarjet and parietal cell mass
    • Proximal gastric vagotomy for duodenal ulcer
    • Algorithm for the perforated duodenal ulcer
    • Choice of Operative Procedure Based on Indication
    • Ulcers form on the alkaline side of the junction
    • Postbulbar ulcer: a problem of definition
    • Resistance of the four mucosae
    • The Oi concept
    • Gastric ulcer and cancer risk
    • Acquisition of Helicobacter pylori infection
    • Two outcomes of Helicobacter gastritis
    • Natural history of Helicobacter gastritis
    • Eradication and its evidence
    • Pernicious anaemia and gastric neoplasia

    17 slides

  8. 08

    Arterial supply of the stomach

    • Origin of the principal gastric arteries
    • Principles of gastric arterial supply
    • Arterial supply of the stomach
    • Left gastric artery: origin and variations
    • Left gastric artery: course and branches
    • Arteries of the distal oesophagus and proximal stomach
    • Right gastric artery
    • Gastroduodenal artery
    • Right gastroepiploic artery
    • Left gastroepiploic and short gastric arteries
    • Blood supply of the fundus
    • Posterior gastric artery
    • Why the reported incidence varies so widely
    • the Posterior Gastric Artery: Frequency of Incidence by Radiography or Dissection
    • the Posterior Gastric Artery: Frequency of Incidence by Radiography or Dissection (continued)
    • the Posterior Gastric Artery: Frequency of Incidence by Radiography or Dissection (continued)
    • Reported Incidence of Posterior Gastric Artery
    • Reported Incidence of Posterior Gastric Artery (continued)
    • Reported Incidence of Posterior Gastric Artery (continued)
    • Reported Incidence of Posterior Gastric Artery (continued)
    • Median arcuate ligament
    • Coeliac artery compression syndrome
    • Treating coeliac compression
    • Arterial circulation of the gastric walls
    • Inferior phrenic arteries and the first duodenum
    • Ischaemic gastropathy

    26 slides

  9. 09

    Venous drainage of the stomach

    • General arrangement of the gastric veins
    • Splenic vein occlusion and gastric varices
    • Selective distal splenorenal shunt
    • Left gastric or coronary vein
    • What a Kocher clamp on the lesser omentum includes
    • Right gastric vein and the prepyloric vein of Mayo
    • Right gastroepiploic vein and Henle's trunk
    • Vascular structures at the oesophageal hiatus

    8 slides

  10. 10

    Lymphatic drainage and the surgery of gastric cancer

    • Coller's four drainage zones
    • All drainage converges on the coeliac nodes
    • Lymphatic Drainage of the Stomach
    • Lymphatic drainage of oesophagus, stomach and duodenum
    • Eight groups of gastric lymph nodes
    • Evidence on lymphadenectomy
    • Node classification and prognosis
    • Concept of Visalli and Grimes
    • Plans for en bloc resection
    • Practical problems of lymphatic drainage
    • Distant metastasis and the extent of resection
    • Ideal specimen from total gastrectomy
    • Surgical drainage of the two units

    13 slides

  11. 11

    Gastric innervation

    • Vagal trunks and their four divisions
    • Terminology of the vagal structures
    • Vagal structures at the hiatus
    • Relation of the vagal trunks to aorta and oesophagus
    • Four or more vagal structures at the hiatus
    • Anterior gastric division and the nerve of Latarjet
    • Variants of the anterior gastric division
    • The crow's foot
    • Visible Distal Extent of the Anterior and Posterior Gastric Divisions of the Vagus
    • Posterior gastric division and the criminal nerve
    • Gastric branches in superior and inferior groups
    • Hepatic and coeliac divisions
    • Variations in Number and Position of Elements of the Hepatic Division of the Vagus
    • Variations in Number and Position of Elements of the Hepatic Division of the Vagus (continued)
    • Types of vagotomy
    • Truncal vagotomy
    • Selective vagotomy
    • Parietal cell vagotomy
    • Techniques of vagal section from 1814 to 1979
    • The seven areas of vagotomy
    • Technique of proximal gastric vagotomy
    • Sympathetic innervation of the stomach
    • Visceral pain pathway and the enteric plexuses

    23 slides

  12. 12

    Summary and sources

    • Key points: development and attachments
    • Key points: vessels, nodes and nerves
    • Practical rules from this topic
    • References
    • References (continued)
    • References (continued)
    • Skandalakis' Surgical Anatomy: The Embryologic and Anatomic Basis of Modern Surgery
    • Join our WhatsApp groups

    8 slides