An intracranial aspergilloma with low signal on T2-weighted images corresponding to iron accumulation.
Publication/Presentation Date
7-1-2001
Abstract
We present a case of cerebral aspergillosis in an immunocompetent patient. The MRI signal characteristics were compared with the histologic findings. Irregular low-signal zones were demonstrated between the wall of the abscess and the central necrosis on T2-weighted images; the pathology specimen revealed concentrated iron in these transitional zones but no hemosiderin. Iron is an essential element for the growth of fungal hyphae. The low-signal zones may represent the areas where there was active proliferation of aspergillus, and the unique location of the low signal may be a helpful imaging characteristic for the diagnosis of an aspergillus abscess.
Volume
43
Issue
7
First Page
559
Last Page
561
ISSN
0028-3940
Published In/Presented At
Yamada, K., Zoarski, G. H., Rothman, M. I., Zagardo, M. T., Nishimura, T., & Sun, C. C. (2001). An intracranial aspergilloma with low signal on T2-weighted images corresponding to iron accumulation. Neuroradiology, 43(7), 559–561. https://doi.org/10.1007/s002340000535
Disciplines
Diagnosis | Medicine and Health Sciences | Other Analytical, Diagnostic and Therapeutic Techniques and Equipment | Radiology
PubMedID
11512586
Department(s)
Department of Radiology and Diagnostic Medical Imaging
Document Type
Article