Clinical images: Physiologic sacral mass as observed using magnetic resonance imaging.
Park
Kyung-Su
KS
Catholic University of Korea College of Medicine, Seoul, Korea.
Cho
Chul-Soo
CS
Kim
Ho-Youn
HY
D000293:Adolescent; D005260:Female; D015796:HLA-B27 Antigen / Q000378:metabolism; D006801:Humans; D008279:Magnetic Resonance Imaging; D012446:Sacroiliac Joint / Q000473:pathology*; D012447:Sacrum / Q000473:pathology; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000276:immunology / Q000473:pathology*
D015796:HLA-B27 Antigen