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PT  - JOURNAL ARTICLE
AU  - Lee, Ho Yun
AU  - Chang, Kee-Hyun
AU  - Kim, Ji Hoon
AU  - Na, Dong Gyu
AU  - Kwon, Bae Ju
AU  - Lee, Kwang-Woo
AU  - Park, Sung Hye
TI  - Serial MR Imaging Findings of Acute Hemorrhagic Leukoencephalitis: A Case Report
DP  - 2005 Sep 01
TA  - American Journal of Neuroradiology
PG  - 1996--1999
VI  - 26
IP  - 8
4099  - http://www.ajnr.org/content/26/8/1996.short
4100  - http://www.ajnr.org/content/26/8/1996.full
SO  - Am. J. Neuroradiol.2005 Sep 01; 26
AB  - Summary: We report a patient with acute hemorrhagic leukoencephalitis with a focus on serial MR imaging findings. Initial MR imaging of a 42-year-old woman revealed a 2.5-cm focal nonhemorrhagic lesion in the left thalamus and internal capsule. Twenty-four days later, fever and altered consciousness developed, and MR imaging showed huge masslike lesions in both frontal lobes, mainly involving the white matter and the genu of the corpus callosum, with massive edematous swelling that contained multifocal small hemorrhages. Most lesions showed high apparent diffusion coefficient value with peripheral small areas of low apparent diffusion coefficient. On follow-up MR imaging obtained 49 days after initial MR imaging, the lesions progressed with increase in extent and development of rim-enhancing necrosis, despite steroid therapy. Following stereotactic biopsy and subsequent high-dose steroid treatment, the patient recovered with some neurologic sequelae. MR imaging obtained at 72 and 126 days revealed residual necrosis and cerebromalacia in the both frontal lobes.