Lumbar hernia: a short historical survey.

Lumbar hernia is a rare form of abdominal hernia, which has been recognized later along the early development of the modern surgery. it has been, on many occasions, the object of heavy debate regarding its anatomical background and as well its etiology. The authors reports the historical aspects of this rare pathology, focusing on the earliest descriptions of hernia arising in lumbar regions, on the first reports of surgical repair, and on the anatomical description of the lumbar weakness areas, that are currently named Petit's triangle and Grynfeltt and Lesshaft's triangle.