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Published on: June 23, 2009
Anal and perianal abnormalities in prepubertal victims of sexual abuse
1Department of Obstetrics and Gynecology, University of Tennessee, Memphis 38103.
Insights
Many child sexual abuse victims show normal anal findings, highlighting limitations in medical evaluations. Documenting abnormalities is crucial for validating abuse allegations in children.
Area of Science:
- Pediatric Forensics
- Child Abuse Pediatrics
- Medical Evaluation of Abuse
Background:
- Sexual abuse in children is a significant concern requiring accurate medical assessment.
- Physical examination of the anal and perianal regions is a key component in evaluating alleged sexual abuse.
- Previous studies have explored physical findings in child sexual abuse cases, but limitations in diagnostic yield persist.
Purpose of the Study:
- To document anal and perianal findings in prepubertal children evaluated for sexual abuse.
- To assess the correlation between reported anal assault and observed physical abnormalities.
- To evaluate the limitations of medical examinations in validating allegations of child sexual abuse.
Main Methods:
- Retrospective review of medical records for 310 prepubertal children.
- Documentation of anal and perianal findings, including normal and abnormal signs.
- Comparison of findings based on history of anal assault (denied vs. described/clear history).
Main Results:
- 66% of children victimized by sexual abuse had normal-appearing perinea.
- Abnormal findings (e.g., anal gapping, skin tags, rectal tears) were present in 34% of victims.
- Children with a clear history of anal assault showed a higher prevalence of abnormalities (84%) compared to those denying abuse (15%).
Conclusions:
- A significant proportion of child sexual abuse victims exhibit normal anal and perianal findings.
- The absence of physical abnormalities does not exclude sexual abuse.
- Medical evaluations have limitations in validating allegations, underscoring the importance of comprehensive assessment beyond physical findings.
Abstract:
We describe anal and perianal findings in 310 prepubertal children who were determined to be victims of sexual abuse; 206 (66%) had perinea that appeared normal. Abnormal findings were present in 104 children (34%): anal gapping in 61 children; skin tags in 44; rectal tears in 33; sphincter tears in 15; human papillomavirus lesions in 4; perineal scarring in 2; and bite marks in 1. Normal-appearing perianal and anal regions were noted in 150 of 175 children (85%) who denied anal assault, and in 11 of 70 (16%) who described such assault. In comparison, anal and perianal abnormalities were observed in 59 of the 70 children (84%) who gave a clear history of anal assault, but in only 25 of 175 (15%) who denied such abuse. Failure to document perianal abnormalities in almost two thirds of the patients demonstrates the limitations of the medical evaluation in validating allegations of sexual abuse.
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