II. Definition

  1. Anatomical triangle used to define Inguinal Hernias

III. Anatomy: Hesselbach's Triangle (Inguinal Triangle, margins mnemonic - RIP)

  1. Hesselbach's Triangle
    1. Rectus muscle lateral margin (medial border)
    2. Inferior epigastric vessels (supero-lateral border)
    3. Inguinal ligament or Poupart's ligament (infero-lateral border)
  2. Image: Inferior Epigastric vessels in relation to Inguinal Hernia
    1. giArteryGrayBB1227.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  3. Resources
    1. Wikipedia (Inguinal Triangle)
      1. http://en.wikipedia.org/wiki/Inguinal_triangle

IV. Interpretation

  1. Indirect Inguinal Hernia (out of Hesselbach's Triangle)
    1. Enters Inguinal Canal lateral to inferior epigastrics
    2. Exits Inguinal Canal inferior to inguinal ligament
  2. Direct Inguinal Hernia (within Hesselbach's Triangle)
    1. Breaches posterior inguinal wall
    2. Passes medial to inferior epigastric vessels

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Ontology: Inguinal triangle (C0230319)

Concepts Body Location or Region (T029)
SnomedCT 32704008
English Trigonum inguinale, Inguinal triangle, Hesselbach's triangle, NOS, Structure of Hesselbach triangle, hesselbach's triangle, inguinal triangle, Hesselbach's triangle, Inguinal trigone, Structure of Hesselbach's triangle (body structure), Structure of Hesselbach's triangle, Inguinal triangle, NOS, Inguinal trigone, NOS
Spanish estructura del triángulo de Hesselbach (estructura corporal), estructura del triángulo de Hesselbach, triángulo de Hesselbach, triángulo inguinal, trígono inguinal