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Table 2 Previous diagnostic studies reported in 41 adults with CVS

From: Cyclic Vomiting Syndrome in 41 adults: the illness, the patients, and problems of management

Diagnostic Study Number
Esophago-Gastro-Duodenoscopies 62
Upper GI barium studies (with or without small bowel follow through) 44
Abdominal/pelvic ultrasonographies 43
Abdominal CT scans 33
Colonoscopies 24
Radionuclide Gastric Emptying Study 20
Urine porphyrins 16
Barium enemas 13
Hepatobiliary scans 10
H. pylori antibody assays 10
Cranial MRI's 9
Laparoscopies 5
Sinus radiographies 2
Endoscopic Retrograde Cholangio-Pancreatographies 1
Urine organic acid assays 1
Total studies indicative of organic etiologies for cyclic vomiting 0