What is thrombocytopenia-absent radius syndrome?

Also known as: TAR syndrome, absent radii and thrombocytopenia, thrombocytopenia absent radii.

Thrombocytopenia-absent radius syndrome, or TAR syndrome, is a rare disorder present at birth that is characterized by the absence of a bone called the radius in both forearms, as well as thrombocytopenia (low platelet count) and short stature.

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Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM