Petit's hernia is a
hernia
A hernia is the abnormal exit of tissue or an organ, such as the bowel, through the wall of the cavity in which it normally resides. Various types of hernias can occur, most commonly involving the abdomen, and specifically the groin. Groin hern ...
that protrudes through the
lumbar triangle (aka Petit's triangle). This triangle lies in the posterolateral abdominal wall and is bounded anteriorly by the free margin of
external oblique muscle
The abdominal external oblique muscle (also external oblique muscle, or exterior oblique) is the largest and outermost of the three flat abdominal muscles of the lateral anterior abdomen.
Structure
The external oblique is situated on the lateral ...
, posteriorly by the
latissimus dorsi
The latissimus dorsi () is a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline. The word latissimus dorsi (plural: ''latissimi dorsorum'') comes from L ...
and inferiorly by the
iliac crest
The crest of the ilium (or iliac crest) is the superior border of the wing of ilium and the superiolateral margin of the greater pelvis.
Structure
The iliac crest stretches posteriorly from the anterior superior iliac spine (ASIS) to the poste ...
. The neck (the spot where the hernia protrudes into the opening) is large, and therefore this hernia has a lower risk of
strangulating than some other hernias.
Petit's hernia occurs more often in males than in females
and more often on the left side than on the right.
See also
*
Grynfeltt-Lesshaft hernia
References
External links
eMedicine
{{DEFAULTSORT:Petit's Hernia
Hernias