Correlation of double-contrast high-density barium enema, colonoscopy, and histology in children with special attention to disparities

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Abstract
Colonoscopic and double-contrast high-density barium enema (DCBE) findings were correlated in 68 patients (39 boys and 29 girls) aged 6 months to 18 years (mean 11.6 years) evaluated over a 24-month period. There was excellent correlation in 53 patients (78.0%) and good correlation in another 3 (4.4%) who had identical diagnoses and only slightly differeing extent of disease reported. In 2 of these, DCBE showed more extensive disease, confirmed histologically in 1. Distal colitis seen on colonoscopy as reddening and neovascularity was missed on DCBE in 6 patients. Colonoscopy and DCBE failed to show a polyp in 1 patient each. One patient who had a normal DCBE and colonoscopy demonstrated a histological abnormality, and 1 patient with an abnormality on histology and DCBE was normal on colonoscopy. A disparity resulted from the time between procedures in 1 patient and observer error in another. This high correlation is far better than any previously reported in children, supporting the use of high-density barium sulfate and double-contrast barium enemas in pediatric patients.

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