What is the importance of lumbar triangle?

The lumbar triangle is an area that is not as thick as the rest of the abdominal wall and as such it is a site of potential weakness that can lead to a lumbar hernia, also known as Petit’s hernia.

What is the Petit triangle?

The inferior lumbar triangle, also known as the Petit triangle, is an anatomical space through which inferior lumbar hernias can occur. It is not to be confused with the adjacent superior lumbar triangle (of Grynfeltt-Lesshaft).

What is Grynfeltt hernia?

Grynfeltt-Lesshaft hernia is a herniation of abdominal contents through the back, specifically through the superior lumbar triangle, which is defined by the quadratus lumborum muscle, twelfth rib, and internal oblique muscle.

What are the borders of Hesselbach’s triangle?

The Hesselbach triangle is located in the anterior abdominal wall bilaterally (on both the right and left sides) and has three major boundaries: the medial boundary consisting of the rectus abdominis muscle; the lateral boundary consisting of the inferior epigastric vessels, which supply the anterior abdominal wall …

What is the lumbar triangle?

The margins of the inferior lumbar (Petit’s) triangle are composed of the iliac crest inferiorly and the margins of two muscles – latissimus dorsi (posteriorly) and external abdominal oblique (anteriorly). The floor of the inferior lumbar triangle is the internal abdominal oblique muscle.

What is a flank hernia?

A flank hernia, or lumbar hernia, is a rare type of hernia that develops as a result of a weakness in the posterolateral abdominal wall, the region that lies on the side and back of the abdominal wall.

What is a lumbar hernia symptoms?

A Lumbar hernia is usually noticed as a lump on the back, which can be painful on coughing. A lumbar hernia can also have other vague symptoms of general back pain or discomfort. The lump may still be apparent on lying flat and also be aggravated by exercise.

What are the boundaries of inguinal canal?

The boundaries of the canal are as follows:

• Posterior wall – Transversalis fascia laterally; conjoint tendon medially.
• Anterior wall – Internal oblique muscle laterally and aponeurosis of external oblique muscle.
• Roof – internal oblique and transversus abdominis muscles.