Sternocostal triangle

The sternocostal triangle (foramina of Morgagni, Larrey's space, sternocostal hiatus, etc.[1]) are small zones lying between the costal and sternal attachments of the thoracic diaphragm. No vascular elements are present within this space.[2] The borders of this space are:

Sternocostal triangle
The diaphragm. Under surface. Foramina of Morgagni not labeled, but costal and sternal attachments are visible near top.)
With captions (labels in German.)
Details
Identifiers
Latintrigonum sternocostale
TA98A04.4.02.015
TA22338, 2353
FMA58351
Anatomical terminology

Medial: the lateral border of the sternal part of the diaphragm

Lateral: the medial border of the costal part of the diaphragm

Anterior: the musculoaponeurotic plane formed by a confluence of the transversus thoracis superiorly and the transversus abdominis inferiorly


The superficial epigastric artery passes in front of the aponeurotic plane that forms the anterior border and enters the abdomen anterior to the diaphragm.[2]

Eponym

It is named for Giovanni Battista Morgagni.[3]

Pathology

It can be a site of Morgagni's hernia.

References
  1. Griffiths, E. A.; Ellis, A.; Mohamed, A.; Tam, E.; Ball, C. S. (5 November 2010). "Surgical treatment of a Morgagni hernia causing intermittent gastric outlet obstruction". BMJ Case Reports. 2010 (nov04 1): bcr0120102608. doi:10.1136/bcr.01.2010.2608. PMC 3029611. PMID 22791842.
  2. Baudoin, Y.-P.; Hoch, M.; Protin, X.-M.; Otton, B.-J.; Ginon, B.; Voiglio, E.-J. (2003-08-01). "The superior epigastric artery does not pass through Larrey's space ( trigonum sternocostale )". Surgical and Radiologic Anatomy. 25 (3–4): 259–262. doi:10.1007/s00276-003-0134-x. ISSN 0930-1038. PMID 12898194. S2CID 40842758.
  3. synd/293 at Who Named It?


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