Background: This report presents a rare cause of dysmenorrhea in the adolescent female and the usefulness of magnetic resonance imaging (MRI) with T2 weighted sequence in the identification of adenomyosis.
Case: Two adolescents who presented with persistent pelvic pain in the absence of outflow tract obstruction or biopsy confirmed endometriosis had MRI-findings consistent with adenomyosis.
Summary and conclusion: In the adolescent female presenting with persistent dysmenorrhea, a diagnosis of adenomyosis is rare but should remain a possibility as one considers the differential diagnosis.