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Limberg score

Dr Daniel J Bell and Dr Bruno Di Muzio et al.

Limberg score is a semiquantitative color Doppler ultrasound assessment of the bowel wall vascularity in inflammatory bowel disease

  • grade 0: normal bowel wall with no thickening, well-delineated mural stratification, no mural flow (no color Doppler signal)    
  • grade 1: wall thickening (hypoechoic wall thickening and partially obscured mural stratification) and absent mural flow 
  • ​grade 2 ("hypo-flow"): wall thickening with intermittent (or "spot") increases in vascularity
  • grade 3 ("hyper-flow"): wall thickening with protracted stretches of increased vascularity
  • grade 4 ("hyper-flow"): color flow Doppler signals in both the bowel wall and surrounding mesenteric fat

Practical points

  • increased vascularization (Limberg score 2 or above) is considered abnormal 
  • hyperemia or increased vascularization is defined based on color Doppler signal with the patient’s breath held in expiration

Article information

rID: 75981
Synonyms or Alternate Spellings:
  • Limberg scores

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