Figure 1

Operational classification of duodenitis based on pathogenesis and cellular activity. Specific duodenitis Presence of a disease process such as Crohn’s disease, sarcoidosis, etc.; PMN Polymorphonuclear leukocytes.
Operational classification of duodenitis based on pathogenesis and cellular activity. Specific duodenitis Presence of a disease process such as Crohn’s disease, sarcoidosis, etc.; PMN Polymorphonuclear leukocytes.