chromosome 4q21 deletion syndrome
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.
MONDO:0016903
partial deletion of the long arm of chromosome 4
is_a
4q21 microdeletion syndrome
exact
Del(4)(q21)
exact
chromosome 4q21 deletion syndrome
exact
chromosome 4q21 deletion syndrome, isolated cases
exact
monosomy 4q21
exact