Inferior lumbar hernia

Case contributed by Dr Henry Knipe


Bike accident right sided pain and hematoma.

Patient Data

Age: 50 years
Gender: Male

CT Abdomen and pelvis

Right subcutaneous hematoma and fat stranding. Traumatic inferior lumbar triangle hernia on the right containing fat. The right psoas muscle and right quadratus lumbar muscle are both swollen in keeping with hematoma.

Liver, adrenal glands, gallbladder, kidneys and pancreas are normal. Spleen is unchanged and within its inferior pole is a 2.5 centimeter peripherally calcified cyst. No intraperitoneal hemorrhage. No intraperitoneal free fluid or free gas.

Undisplaced fracture through the left L2 superior articular process involving the articular surface.

Moderately displaced right L2-L4 transverse process fractures.

Right ASIS avulsion fracture. Alignment is normal. Minor degenerative change of the lumbar spine.

Case Discussion

  • inferior lumbar hernias occurs through the inferior lumbar triangle (below the 12th rib and above the iliac crest)
  • most commonly after trauma or surgery
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Case information

rID: 34496
Published: 24th Feb 2015
Last edited: 14th Aug 2019
Tag: trauma
Inclusion in quiz mode: Included

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