TL

Cases without clinical findings	111	Similar imbalances – no sSMC	0
Cases with clinical findings	17	Similar imbalances – no sSMC	0
der(13 or 21;18) syndrome			9
Cases without clear clinical correlation	47	Cases with discontinous sSMC	0
Cases with complex sSMC	4	Cases with UPD and sSMC	0
Cases (sSMC) with neocentromeres	0	Similar imbalances - no sSMC	0
Tumor	0	DISCLAIMER
References

In general 70% of sSMC carriers are clinically normal. The figures listed above
are based on the bias, that mainly clinically aberrant cases are studied and reported in literature!

UPD (uniparental disomy) cases:	UPD(13)mat	UPD(13)pat	UPD(13)mat or pat
UPD (uniparental disomy) cases:	UPD(21)mat	UPD(21)pat	UPD(21)mat or pat