Andou R, Mimaki T, Ogihara T, Tamai H, Mino M
Department of Pediatrics, Osaka Medical College, Japan.
Acta Paediatr Jpn. 1994 Dec;36(6):724-6. doi: 10.1111/j.1442-200x.1994.tb03280.x.
A case of mosaic 9p tetrasomy (46,XX/47,XX, + dic[9] [q21]) is reported. Clinical manifestations of the patient were generalized hypotonia, severe mental retardation and characteristic dysmorphic features of 9p tetrasomy. A brief review of the literature is also included.