Psoas myositis or fibrositis in the differential diagnosis of lower abdominal disease.
D000005:Abdomen; D003937:Diagnosis, Differential; D004194:Disease; D005356:Fibromyalgia; D005767:Gastrointestinal Diseases; D006801:Humans; D009220:Myositis; D016658:Psoas Muscles
ABDOMEN/diseases; MUSCLES, PSOAS/diseases; MYOSITIS