Abstract：
:We reviewed the imaging of four pathologically proven calvarial eosinophil granulomas. The diameter of the lesions ranged from 13 to 40 mm; three were biconvex, but the other had a collar-stud appearance. Two lesions were in the frontal and two in the parietal bone. On bone-window CT, a bevelled edge was seen in three cases and button sequestration in one, but no sclerotic rim was shown. Although one lesion had a low-density area, the lesions were slightly denser than grey matter. They were isointense with grey or white matter on T1-weighted MRI and gave heterogeneous high signal on proton-density and T2-weighted images. All enhanced markedly, with a less strongly enhancing portion within them. A tail of dural enhancement and reactive change in the overlying galea or temporal muscle were seen in all cases.
journal_name
Neuroradiologyjournal_title
Neuroradiologyauthors
Okamoto K,Ito J,Furusawa T,Sakai K,Tokiguchi Sdoi
10.1007/s002340050831subject
Has Abstractpub_date
1999-10-01 00:00:00pages
723-8issue
10eissn
0028-3940issn
1432-1920pii
90410723.234journal_volume
41pub_type
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