Table 1.

Overview of the studied sSMCs

Case IDPrevious publicationClinical summaryGenderCytogenomic descriptionGenome dataTissueMosaicism degree (%)Resolved
RD_P276Anderlid et al. 2001ID, DD, DFMale+ r(5)(p13.3 → p13.2::p12 → q11.1)srGS, lrGSBlood13Yes
RD_P278Anderlid et al. 2001; Blennow et al. 1993DF, neurological problemsMale+ r(7)(p11.2 → p11.2::q11.22 → p11.2)srGS, lrGSBlood100Yes
RD_P273Anderlid et al. 2001DF, DDFemale+ r(8)(q11.1 → q11.21::q21.13 → q11.22)srGS, lrGSLCL40Yes
RD_P272Anderlid et al. 2001ID, DDFemale+ r(9)(p21.1 → p21.1::q21.31 → q21.31::p12→p21.1::p11.2 → ?::? → p21.1)srGS, lrGSBlood36Yesa
RD_P274UnpublishedID, DFMale+ r(10)(p12 → p11.2)srGS, lrGSLCL66No
RD_P166UnpublishedDD, short statureFemale+ r(13)(? → p11.2::q21.1 → q31.1::q12.3 → ?)srGS, lrGSLCL87Yesb
RD_P550UnpublishedShort statureFemale+ r(14)(p11.2q11.2)lrGS, OGMBlood46Yes
RD_P275Anderlid et al. 2001ID, DDMale+ r(20)(p13 → p13::q13.31 → q13.33::p11.21 → q12)srGS, lrGSLCL48Yes
RD_P328Blennow et al. 1992ID, DDFemale+ der(7)(Xpter → Xp22.2::7q11.23 → 7p13::5q35.3 → 5qter)srGS, lrGSLCL100Yes
RD_P586UnpublishedMild ID, ataxiaFemale+ der(X)(qter → q27.3::q22.3 → q21.31::q21.31 → q21.2::q12 → q12::p11.1 → q13.3::q27.3 → q27.2::q21.1 → q21.2::q13.3 → q21.1::q21.31 → q21.31::q27.3 → qter)lrGS, OGMBlood100Yes

[i] (ID) Intellectual disability; (DD) developmental delay; (DF) dysmorphic features; (LCL) lymphoblastoid cell lines.

[ii] aCentromeric breakpoints are not mapped.

[iii] bBreakpoints on acrocentric p-arm are not mapped. Full ISCN and HGVS nomenclature is in Supplemental Table S3.