Chromosome 8-derived supernumerary ring/marker

Chromosome 8-derived supernumerary ring/marker is a rare chromosomal anomaly comprising variable parts of chromosome 8. The phenotype of mosaic or non-mosaic supernumerary r(8)/mar(8) ranges from almost normal to variable degrees of minor abnormalities, and growth and mental retardation overlapping with the well-known mosaic trisomy 8 syndrome.

Also known as: Ring 8, r(8) syndrome, ring chromosome 8, rose cluster 8, supernumerary ring/marker 8, R8, Ring chromosome 8 syndrome, chromosome 8 ring

2 clinical trials for this condition and its sub-types.