other Radiation Biology Radiation Biology مطالعه موردي Case Report <div style="text-align: justify;"><span style="font-size:10pt"><span style="text-justify:newspaper"><span style="text-kashida-space:50%"><span style="line-height:119%"><span style="font-family:Calibri"><span style="color:black"><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-US">Juvenile fibroadenoma of the breast is a rare benign tumor, which mostly occur in young women. It is often manifested as a huge tumor with obvious enlargement of the breast, regular shape and clear boundary in the breast. This study reported an 18-year-old female, whose physical examination revealed a tough and mobile mass approximately 1.5 cm in diameter on her right breast, the patient had no clinical symptoms. MRI showed a irregular nodules with radial burrs, equisignal on T1WI, slightly high signal density on T2WI, high signal density on DWI, and heterogeneous signal on apparent diffusion coefficient (ADC) images, Enhanced scan showed margin enhancement, and the time-signal intensity curve (TIC) showed plateau and wash-out types. The mass was surgically excised, and histopathological examination revealed that it was a juvenile fibroadenoma tumor.</span></span></span></span></span></span></span></span></span></span></div> Juvenile fibroadenoma, DWI, ADC, TIC breast, tumor. 841 843 http://ijrr.com/browse.php?a_code=A-10-1-1126&slc_lang=other&sid=1 L. Shi 7900319475328460025264 7900319475328460025264 No Tangshan Maternal and Child Health Hospital, Hebei, China L. Chang 240612799@qq.com 7900319475328460025265 7900319475328460025265 Yes Tangshan Gongren Hospital, Hebei, China J. Wang 7900319475328460025266 7900319475328460025266 No Tangshan Gongren Hospital, Hebei, China Y. Zhang 7900319475328460025267 7900319475328460025267 No Tangshan Gongren Hospital, Hebei, China S. Li 7900319475328460025268 7900319475328460025268 No Tangshan Maternal and Child Health Hospital, Hebei, China