Korean J Gastrointest Motil.  2002 Nov;8(2):177-184.

Defecographic Findings of Rectal Intussusception

Affiliations
  • 1Department of Diagnostic Radiology, Yonsei University College of Medicine, Korea. HJPARK21@yumc.yonsei.ac.kr
  • 2Department of Internal Medicine, Yonsei University College of Medicine, Korea.

Abstract


OBJECTIVES
To analyze the findings of rectal intussusception and to find the other accompanied functional anorectal diseases.
MATERIALS AND METHODS
We analyzed defecograms in 25 patients with rectal intussusception among 77 patients taken with obstructed defecatory symptom. Females were 16 (64%), males were 9 (36%), and the mean age was 55 years old. The changes of anorectal angle (ARA) and movement of anorectal junction were measured, and the morphologic changes of rectal wall during defecation were analyzed.
RESULTS
ARAs measured by central axis method (CAM), the mean angles were 114.6, 102.2, and 119.8 degree, respectively in resting, squeezing, and straining period. By posterior wall methods (PWM), those were 86.7, 72.0, 93.3 degree. The differences of ARA between resting and straining period were 5.2, 6.6 degree, respectively by CAM and PWM. The mean descent of anorectal junction during defecation was 0.83 cm. The most frequent finding associated with rectal intussusception was rectocele (12 cases;48%). The other accompanied findings were 9 spastic pelvic floor syndrome (36%) and 4 fecal incontinence (16%). Total 18 patients out of 25 patients were accompanied with other functional anorectal diseases (72%).
CONCLUSIONS
Recognition of rectal intussusception with accompanied diseases would be important for the proper treatment planning.

Keyword

Rectal intussusception; Defecogram

MeSH Terms

Axis, Cervical Vertebra
Defecation
Fecal Incontinence
Female
Humans
Intussusception*
Male
Middle Aged
Muscle Spasticity
Pelvic Floor
Rectocele
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