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Fig. 1 | Journal of Medical Case Reports

Fig. 1

From: Deep cerebral venous thrombosis mimicking influenza-associated acute necrotizing encephalopathy: a case report

Fig. 1

Brain magnetic resonance images. Magnetic resonance imaging was performed at admission (ad), and 7 days (eh), and 17 days (il) after admission. At admission, the thalamus and caudate nuclei were involved bilaterally with edematous swelling, demonstrated on magnetic resonance imaging by a hypointensity of T1-weighted signal, b hyperintensity of T2-weighted signal, and c hyperintensity of fluid-attenuated inversion recovery signal. d Diminished signal and enlargement of the deep cerebral veins and the straight sinus are demonstrated in a T2*-weighted image. eg At day 7 after admission, small hyperintense areas were observed in the anterior and left posterior regions of the thalamus in a T1-weighted image (e), and a worsening of brain swelling was demonstrated in T2-weighted (f) and fluid-attenuated inversion recovery signal (g) images. h A T2*-weighted image showed hemorrhagic changes in the thalamus with right-side predominance, but abnormal signal of deep cerebral veins was less prominent than at admission. ik At day 17, although the size of the T1-hyperintensity area in the left thalamus had increased from day 7 (i), the edematous swelling improved (j, k). l Abnormal signal of deep cerebral veins was not present in a T2*-weighted image

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