ISSN:
1432-1920
Keywords:
Key words Skull
;
Eosinophilic granuloma
;
Histiocytosis Langerhans-cell
;
Computed tomography
;
Magnetic resonance imaging
;
Scintigraphy
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
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.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s002340050831
