Figure 2

FIBGC (Case 1 in family 1). (a) Pedigree of family 1. The arrow indicates the index subject. Filled symbols represent patients with brain calcification. Participants’ ages are shown under the symbols in the pedigree of those whose data were available. The symbols + and − indicate variant carriers and noncarriers, respectively, as determined via genetic analysis. The striped symbol represents a variant carrier, although the CT image was not available for the study. (b) CT images of the proband (II-2). (c) CT images of the proband’s father with variant (I-1). Subdural hematoma was also identified on CT scan.