33-year-old female patient with small retrorectal cyst detected on prior exam, patient is asymptomatic. Assess for interval growth. Lack of IV contrast limits evaluation.PELVIS:UTERUS, ADNEXA: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: There is a single septated T2 hyperintense lesion posterior to the rectum and anterior to the coccyx which measures 1.3 x 1.4 cm (image 33, series 10). BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
Single septated T2 hyperintense lesion posterior to the rectum presumably represents a cyst within limitations of a non-contrast study.