Lumbar hernia

Lumbar hernias are a rare form of posterior abdominal hernia

Most common in patients aged between 50 and 70 years with a male predominance 1

Patients with lumbar hernias can present with a variety of symptoms, including a posterolateral mass, back pain, bowel obstruction (if contents contain bowel), or urinary obstruction (if contents are kidney/ureter).

Lumbar hernias occur through defects in the lumbar muscles or the posterior fascia, below the 12th rib and above the iliac crest. Two types are described, according to the anatomical location of the hernial neck:

Aetiology

There are three broad aetiologies for lumbar hernias:

  • congenital hernias (20%)
    • discovered in infancy and are due to defects in the musculoskeletal system
    • may be associated with other malformations
  • primary acquired lumbar hernias (55%)
    • spontaneous, without a causal factor such as surgery, infection, or trauma
    • risk factors include age, extremes of body habitus, quick weight loss, chronic disease, muscular atrophy, chronic bronchitis, wound infection, postoperative sepsis, and strenuous physical activity
  • secondary acquired lumbar hernias (25%)
    • may be caused by blunt, penetrating, or crushing trauma; fractures of the iliac crest; surgical lesions; hepatic abscesses; infections in pelvic bones, ribs, or lumbodorsal fascia; or infected retroperitoneal haematomas
Contents

Lumbar hernias may contain a number of intra- or retro-peritoneal structures including:

J Grynfeltt and P Lesshaft independently described superior lumbar hernias in 1866 8 and 1870 9, respectively.

The first description of the inferior or superficial lumbal hernia by french surgeon Jean-Louis Petit (1672 – 1750) in 1738 13-14.

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Article Information

rID: 12927
Section: Gamuts
Tag: hernia
Synonyms or Alternate Spellings:
  • Lumbar hernias
  • Grynfeltt-Lesshaft hernia
  • Petit hernia
  • Superior lumbar hernia
  • Inferior lumbar hernia
  • Inferior lumbar hernias
  • Supra-iliac hernias of Huguier
  • Hernias of Petit
  • Hernias of Grynfelt
  • Costoiliac hernia of Larrey
  • Inferior lumbar hernia
  • Petit hernias
  • Petit herniation

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    Lumbar hernia
    Figure 1: herniation sites on abdominal cross section
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    Case 1: inferior lumbar hernia
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    Lumbar hernia typ...
    Figure 2: lumbar hernia sites
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    Case 2: superior lumbar hernia
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    Case 3: inferior lumbar hernia
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    Case 4: inferior lumbar hernia
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    Case 5: inferior lumbar hernia
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