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									Petit's lumbar triangle hernia - CT findings
Author(s)
Belo-Oliveira P, Rodrigues H, Costa J, Belo-Soares P, Gomes P

Patient
male, 45 year(s)


Clinical Summary
A 45 years old male patient complaining of a lump in the left flank, associated with a dull,
heavy, pulling feeling, underwent an abdominal CT.


Clinical History and Imaging Procedures
A 45 years old male patient complaining of a lump in the left flank, associated with a dull,
heavy, pulling feeling, underwent an abdominal CT. The exam showed small bowel loops
herniating through the posterior abdominal wall.


Discussion
Lumbar or dorsal hernias are hernias through the posterior abdominal wall at some level in
the lumbar region. The most common sites (95%) are the superior (Grynfeltt’s) and inferior
(Petit’s) lumbar triangle. A lump in the flank is the common complaint. With the patient
erect, the presence of a reducible, often tympanitic mass in the flank usually makes the
diagnosis. Incarceration and strangulation occur in about 10% of cases. Hernias in the
inferior lumbar triangle are most often small and occur in young, athletic women. They
present as tender masses producing backage and usually contain fat. Lumbar hernia must be
differentiated from abscesses, haematomas, soft tissue tumours, renal tumours, and muscle
strain. Lumbar hernias increase in size and should be repaired when found. Repair is by
mobilization of the nearby fascia and obliteration of the hernia defect by precise fascia-to-
fascia closure. The recurrence rate is very low


Final Diagnosis
Petit's lumbar hernia


MeSH

   1. Hernia [C06.405.293]
      Protrusion of a loop or knuckle of an organ or tissue through an abnormal opening.

References

   1. [1]

       Lumbar hernia: clinical analysis of 11 cases. Zhou X, Nve JO, Chen G. Hernia.
       2004 Aug;8(3):260-3. Epub 2004 Jun 18.




   2. [2]

       Incarcerated inferior lumbar (Petit's) hernia. Astarcioglu H, Sokmen S, Atila K,
       Karademir S. Hernia. 2003 Sep;7(3):158-60. Epub 2003 Apr 10.




   3. [3]

       Lumbar hernia: anatomical route assessed by computed tomography. Guillem P,
       Czarnecki E, Duval G, Bounoua F, Fontaine C. Surg Radiol Anat. 2002
       Feb;24(1):53-6.




Citation

Belo-Oliveira P, Rodrigues H, Costa J, Belo-Soares P, Gomes P (2005, Nov 21).
Petit's lumbar triangle hernia - CT findings, {Online}.
    URL: http://www.eurorad.org/case.php?id=3653
    DOI: 10.1594/EURORAD/CASE.3653
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          Published 21.11.2005
          DOI 10.1594/EURORAD/CASE.3653
          Section Gastro-Intestinal Imaging
          Case-Type Clinical Case
          Views 35
          Language(s)

          Figure 1

    Abdominal CT




    abdominal CT showing the posterior abdominal wall hernia



          Figure 2

    Abdominal CT




    abdominal CT showing the posterior abdominal wall hernia
Figure 1

Abdominal CT




abdominal CT showing the posterior abdominal wall hernia

Figure 2

Abdominal CT
abdominal CT showing the posterior abdominal wall hernia

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