Chromosome 4q21 deletion syndrome
Chromosome 4q21 deletion syndrome
Definition
The 4q21 microdeletion syndrome is a newly described syndrome associated with facial dysmorphism, progressive growth restriction, severe intellectual deficit and absent or severely delayed speech.
Also known as 4q21 microdeletion syndrome, chromosome 4q21 deletion syndrome, chromosome 4q21 deletion syndrome, isolated cases, Del(4)(q21), monosomy 4q21 — per MONDO