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Table 3 Grades of intussusception seen by 3D ultrasonography and defecography

From: Role of three-dimensional ultrasound in females with obstructed defecation (in comparison with defecography)

Grades of intussusception3D ultrasonography
No. of patients
Defecography
No. of patients
Grade I (rectal intussusception58
Grade II (anorectal intussusception12