Clinical presentation and pathologic and DWI findings in patients with fungal cerebral infection or pyogenic bacterial abscess

Patient	Clinical Presentation	Lesion Aspiration	Organism	MR Imaging Finding	ADC (×10−3 mm2/s)		ADC Ratio
					Lesion	WM
1	Acute	Not done, autopsy	Rhizopus	Minimal enhancement, DWI heterogeneously hyperintense	0.20 ± 0.05	0.86 ± 0.06	0.23
2	Acute	Not done, autopsy	Aspergillus	No enhancement, DWI heterogeneously hyperintense	0.23 ± 0.04	0.85 ± 0.05	0.27
3	Subacute	Not done, autopsy	Aspergillus	Ring-enhancement, DWI peripherally hyperintense	0.13 ± 0.07	0.69 ± 0.05	0.19
4	Subacute	Mucoid fluid	Aspergillus	Ring-enhancement, DWI centrally hyperintense	0.59 ± 0.05	0.80 ± 0.06	0.74
5	Subacute	Not done, autopsy	Aspergillus	Ring-enhancement, DWI centrally hyperintense	0.71 ± 0.03	0.87 ± 0.04	0.81
6	Subacute	Mucoid fluid	Aspergillus	Ring-enhancement, DWI centrally hyperintense	0.39 ± 0.08	0.74 ± 0.05	0.53
7	Subacute	Mucoid fluid	Scedosporium	Ring-enhancement, DWI centrally hyperintense	0.22 ± 0.05	0.58 ± 0.06	0.39
8	Subacute	Mucoid fluid	Aspergillus	Ring-enhancement, DWI hyperintense	0.21 ± 0.08	0.66 ± 0.06	0.31

Note.—Mean lesion and white matter ADC and ADC ratio were, respectively, 0.33 ± 0.06 × 10⁻³ mm²/s, 0.76 ± 0.05 × 10⁻³ mm²/s, and 0.43 in the fungal group and 0.46 ± 0.06 × 10⁻³ mm²/s (difference not significant), 0.76 ± 0.05 × 10⁻³ mm²/s, and 0.61 (difference not significant) in the bacterial group.