Image Description: Illustration of an ischiorectal abscess, a form of anorectal abscess. Anorectal abscesses can be caused by infection of an anal fissure, sexually transmitted infections or blocked glands. Ischiorectal abscesses account for about one fifth of all anorectal abscesses and are caused by extension of sepsis through the external sphincter into the ischiorectal space. Image File Sizes: Size Pixels Inches (@300dpi) cm (@300dpi) Small 512 x 600px 1.7 x 2.0” 4.3 x 5.1cm Medium 1024 x 1200px 3.4 x 4.0” 8.7 x 10.2cm Large 2303 x 2700px 7.7 x 9.0” 19.5 x 22.9cm Anatomy Visible in the Medical Illustration Includes: Internal sphincter muscle, external sphincter muscle, ischiorectal abscess, levator ani, trans sphincteric fistula, anus, abscess Image created by: Joanna Culley
