Grading Scheme of Nishimura et al for Choledochitis Based on the Endoscopic Appearance

Description

Nishimura et al graded the appearance of the bile duct wall in choledochitis as seen on endoscopy (choledochoscopy). The authors are from Chiba Cancer Center Hospital, National Institute of Radiological Sciences in Chiba, and Funabashi Central Hospital.

Parameters:

(1) mucosa

(2) mucus deposits

(3) gross purulence (pus)

(4) fibrous bands

Parameter	Grade I	Grade II	Grade III	Grade IV
mucosa	normal	slight congestion; vascular network visible	prominent congestion; petechiae may be present	marked congested; prominent petechiae; erosions
mucus	none or flecks	few deposits easily dislodged	bulky deposits that may be confused with calculus	mucus coat may be present
pus	absent	absent	absent	may be present
fibrous bands	absent	absent	absent	may be present

The authors correlated the gross appearance with the histologic appearance seen on biopsies.

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Description

Specialty

ICD-10