Table 1

Summary of affected individuals, clinical, pathological, and genetic findings

PatientAgeMHSexCDHSpineFacial weaknessSkeletal weaknessRespiratory impairmentBiopsyDNA
A113 m+ (?)F+Scoliosis++Marked increase in connective tissue, central cores, type 1 fibre uniformityAla4940Thr exon103
A230 yFNormal+Not doneAla4940Thr exon103
B16 yMScoliosis+++Multiple mini-cores, type 1 fibre uniformityArg4893Trp exon 102
B216 yFScoliosis+++Multiple mini-cores, type 1 fibre uniformityArg4893Trp exon 102
B338 yFScoliosis+++Central cores, type 1 fibre uniformityArg4893Trp exon 102
C13 mF+Normal+No cores, type 1 fibre uniformityTyr4864Cys exon 102
C23 y+ (?)MLordosis++Central and peripheral cores, type 1 fibre uniformityTyr4864Cys exon 102
C333 yFScoliosis+++Multiple mini-cores, type 1 fibre predominanceTyr4864Cys exon 102
C442 yFScoliosis++Not doneTyr4864Cys exon 102
C544 yMNormalNot doneTyr4864Cys exon 102
D11 yM+Lordosis++Central cores, type 1 fibre uniformityArg4861His exon 101