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Chondroblastoma : MR Characteristics with Pathologic Correlation
Jee, Won-Hee,Park, Yong-Koo,McCauly, Thomas R.,Choi, Kyu-Ho,Ryu, Kyung-Nam,Suh, Jin-Suck,Cho, Jae-Hyun,Lee, Jeong-Hoon,park, Jung-Mi,Lee, Youn-Soo,Ok, In-Young,Kim, Jung-Man 가톨릭대학교 2000 Bulletin of The Catholic Research Institutes of Me Vol.28 No.-
Purpose : The purpose of this study was to describe the MR findings of chondroblastoma with pathologic correlation. Method : In 22 patients with pathologically proven chondroblastoma, MR signal characteristics were correlated with pathological findings. Results : On T2-weighted images, 12 (55%) lesions were hyperintense with hypointense areas in 9 lesions, whereas 10 (45%) were hypointense. Therfore, 19 of 22 (86%) lesions with pathologic correlation had hypointenes areas entirely (n=10) or partly (n=9) on T2-weighted images On gadolinium-enhanced images, 13 (59%) lesions showed lobular enhancement and 9 (41%) showed marginal and septal enhancement. Low signal intensity on T2-weighted MR images was most strongly associated with an abundance of immature chondroid matrix, hypercellularity of the chondroblasts, calcifications, and hemosiderin on histology. Conclusion : Chondroblastoma was found to show hypointense portions on T2-weighted images. Signal intensity on T1- and T2-weighted MR images in chondroblastoma was dependent on the amounts of histopathological components. (Jornal of Computer Assisted Tomography 23(5):781-726, 1999)