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Fig. 3 | BMC Medical Imaging

Fig. 3

From: Effect of cerebrospinal fluid area mask correction on 123I-FP-CIT SPECT images in idiopathic normal pressure hydrocephalus

Fig. 3

Relationship between the changes in SBR before and after CSF area mask correction and the volume of the striatal VOI and BG VOI removed by CSF area mask correction. Scatterplot of the patients between the voxel values obtained by subtracting the BG region from the striatal region removed by CSF area mask correction and the difference in SBR before and after the correction. A highly significant negative correlation was found between the difference in SBR before and after CSF area mask correction and the volume difference between the striatal VOI and BG VOI removed by CSF area mask correction. The regression equations is y = –0.0006x – 0.0081 (r = –0.812, p <0.001). VOI: volume of interest, SBR: specific binding ratio, BG: background, CSF: cerebrospinal fluid

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BMC Medical Imaging

ISSN: 1471-2342

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