Abstract:
:We evaluated magnetic resonance images (MRI) and the value of dynamic contrast enhanced MRI (DCE-MRI) of pleomorphic adenomas retrospectively. MRI was performed for 18 pleomorphic adenomas, including 11 cases with DCE-MRI. We obtained the following results on the MRI and DCE-MRI. (a). Pleomorphic adenomas showed a predilection for homogeneous intermediate signal intensity on T1-weighted images (T1WI), heterogeneous high signal intensity on T2-weighted images, and heterogeneous enhancement on Gd-T1WI. (b). Of 11 contrast index (CI) curves of pleomorphic adenomas, nine CI curves (81.8%) increased gradually to 600 s or increased gradually, reached a plateau, and sustained the plateau to 600 s. The remaining two (18.2%) increased gradually and decreased gradually thereafter. (c). CI curves reached the maximum CI index at 135-300 s.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Hisatomi M,Asaumi J,Yanagi Y,Konouchi H,Matsuzaki H,Honda Y,Kishi Kdoi
10.1016/s1368-8375(03)00040-xsubject
Has Abstractpub_date
2003-09-01 00:00:00pages
574-9issue
6eissn
1368-8375issn
1879-0593pii
S136883750300040Xjournal_volume
39pub_type
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