TAR syndrome is characterized by the lack of a bone known as the radius in each forearm, short stature, and thrombocytopenia. The thrombocytopenia frequently appears first in infancy but becomes less intense or contributes to normal with time. Babies and young children are especially vulnerable to episodes of acute bleeding which might happen from the brain and other organs. Children who survive this period and don't have harmful bleeding in the brain normally have a normal life expectancy and ordinary intellectual growth. Approximately half of individuals with TAR syndrome also have trouble digesting cow's milk. TAR syndrome is believed be brought on by a deletion of genes on chromosome 1q21.1 in concert with a different genetic change which has not yet been identified.



TAR Syndrome (thrombocytopenia with absent radius) is a rare genetic disorder that is characterized by the absence of the radius bone in the forearm and a dramatically reduced platelet count.

Symptoms of TAR Syndrome

The Individual Phenotype Ontology (HPO) stipulates another list of qualities which were reported in individuals with this illness. A lot of the info in this HPO comes in Orphanet, a European rare disease database. When available, the listing comprises a rough estimate of just how common a characteristic is (its frequency). Frequencies are based on a particular research and might not be representative of all research studies.

Treatment of TAR Syndrome

Remedies vary from platelet transfusions to operation aimed at either centralizing the hands across the ulna to boost performance of the hands or geared toward 'normalizing' the look of the arm, which is a lot briefer and 'clubbed.' There's a controversy surrounding the use of operation. The infant mortality rate was curbed by new technologies, such as platelet transfusions, which could likewise be achieved at utero. The critical period is the first and sometimes second year of existence. For many people with TAR, platelet counts grow as they grow from childhood.


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