Normal Perirectal Lymph Node Size on CT and MRI
Normal perirectal lymph nodes measure less than 5–8 mm on CT and MRI; exceeding this threshold raises concern for malignant involvement.
Rectum
2 entries
Normal Presacral Space Size on Barium Enema in Children
Normal presacral space measures less than 5 mm on barium enema in children aged 0–15 years; enlargement may indicate inflammatory or neoplastic pathology.
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