Özet:

Down syndrome (DS) is the most common chromosomal anomaly. It affects many organ systems as well as its phenotypic properties. Mental motor retardation, hypothyroidism, congenital heart diseases, hearing and vision problems, epilepsy and musculoskeletal problems may also be required. Mental retardation is often followed up in neurology outpatient clinics because it is often accompanied by DS. Cranial imaging is necessary because of the occasional neurological problems. Basal ganglion calcification is a rare complication seen in the rate of 0.3-0.6%. It is known to accompany Down syndrome more frequently. In this respect, in contrast to the cases in adults, a small number of DS and basal ganglion calcification (BGC) associations have been in childhood age group. This calcification, which we encounter as a complication, is thought to be related to premature aging in DS children.  BCC was detected in the cranial MR of the patient being followed for the cause of Down's syndrome and behavior problems. It was worth mentioning that it was rarely seen during childhood. It was also aimed at determining the frequency of BGC in DS patients followed up in our clinic. For this purpose, all DS patients under follow-up at the Pediatric Neurology Policlinic were retrospectively screened.

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