Spigelian Lumbar and Obturator Hernia Flashcards
T/F: Spigelian, lumbar and obturator hernia should be repaired regardless of symptoms to avoid incarceration
TRUE
T/F: Laparoscopic repairs have decreased morbidity comapred to open repair for spigelian, lumbar and obturator hernias
TRUE
Where do spigelian hernias occur?
In region between the semilunar line and medial borders of external oblique, internal oblique and transversus obdominus
While spigelian hernias can occur at any level of abdominal wall, they are more common where?
Region between umbilicus and ASIS
Where do lumbar hernias occur?
In posterior abdominal wall, in region bordered by twelfth rib superiorly, iliac crest inferiorly, erector spinae muscles medially, external oblique laterally
What are the eponyms given to the superior and inferior lumbar triangles, respectively?
Grynfeltt and Petit
What are the boundaries of the Grynfeltt triangle?
Twelfth rib superiorly, quadratus lumborum medially, internal oblique laterally
What are the boundaries of the Petit triangle?
Iliac crest inferiorly, latissismus dorsi medially, external oblique laterally
What factors are associated with obturator hernias?
Advanced age, poor nutritional status, increased abdominal pressure, multiparity
Who is the prototypical patient with an obturator hernia?
Thin, elderly woman
What is the Howship-Romberg sign?
Hip and medial thigh pain exacerbated by external rotation and extension of hip
The majority of patients with an obturator hernia present with signs and symptoms of what?
Bowel obstruction