A patient with 13q-syndrome with mild mental retardation and with growth retardation.

We report on a patient with deletion 13q33.3-->qter having growth retardati on but no severe mental retardation. He was microcephalic and had hypotonia , large, low set ears, depressed nasal bridge, hypertelorism, small chin, h igh and broad forehead and bilateral simian creases. FISH was carried out u sing a telomeric probe of chromosome 13, Only one chromosome 13 showed a si gnal. Whole chromosome 13 probe showed that there was no 13q material on an other chromosome. The karyotypes of the parents were normal.