Case series of ALSP with brain calcifications

Case	Sex	CSF1R Mutation	Origin	FH	Age at Onset (yr)	Age at CT (yr)	Section Thickness (mm)	Location of Calcifications		Stepping Stone Appearance on Sagittal CT
Case	Sex	CSF1R Mutation	Origin	FH	Age at Onset (yr)	Age at CT (yr)	Section Thickness (mm)	Frontal	Parietal	Stepping Stone Appearance on Sagittal CT
1	F	c.1765G>A/p.G589R^{^a}	Japan	−	37	44	5	+	+	+
2	F	c.1954G>C/p.A652P^{^a}	Japan	−	30	31	2	+	+	NA
3	F	c.2442+5G>A^{^a}	Japan	+	27	28	1	+	−	+
4	M	c.2442+5G>A^{^a}	Japan	+	58	61	4 (1)^{^c}	+	+	+
5	F	c.2442+5G>C	US	−	23	0, 24	6, 5	+	+	+
6	F	c.2297T>C/p.M766T	US	+	18	30	1.3 (1)^{^c}	+	−	+
7	M	c.1766G>A/p.G589E	US	+	58	60	3	+	−	NA
8	F	c.1766G>A/p.G589E	US	+	47	52	7	+	+	NA
9	M	Untested^{^b}	US	−	57	67	3	+	−	NA

Note:—FH indicates family history; NA, not available for sagittal images.
↵a Novel mutations.
↵b This case was diagnosed by pathologic analysis. We could not conduct genetic testing because of a lack of samples.
↵c For axial images, 4 or 1.3 mm and 1 mm for reconstructed sagittal images.