Anal sphincter injury

Case contributed by Khalid Alhusseiny
Diagnosis almost certain

Presentation

Faecal incontinence and history of vaginal delivery one year earlier.

Patient Data

Age: 30 years
Gender: Female
ultrasound

There is a focal defect at the internal anal sphincter located at 11 o’clock position. The defect is about 1.6 cm proximal to the perineal body. There is associated relative distortion of the anal mucosa at the site of the defect.

Case Discussion

Anal sphincter injuries can present with faecal incontinence following vaginal delivery.

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