Bluish nodular mammary lesions in prepubertal girls are a challenging diagnosis. Retroareolar cysts are rare in this population, but relatively common among adolescent women. This diagnosis can be suspected clinically and ultimately confirmed by cutaneous ultrasonography, avoiding unnecessary biopsies or complex radiologic studies.
Keywords: neoplasms-benign; therapy-systemic; vascular malformation.
© 2021 Wiley Periodicals LLC.