has material basis in germline mutation in RASGRP2 inherited bleeding disorder, platelet-type platelet-type bleeding disorder 18 https://www.malacards.org/card/bleeding_disorder_platelet_type_18 platelet-type bleeding disorder 18 UMLS:C4014584 bleeding disorder, platelet-type, 18 OMIM:615888 MEDGEN:863021 RASGRP2 inherited bleeding disorder, platelet-type BDPLT18 MONDO:0014386 DOID:0111051 Orphanet:420566 bleeding disorder due to CalDAG-GEFI deficiency bleeding disorder due to calcium- and DAG-regulated guanine exchange factor-1 deficiency Bleeding disorder due to CalDAG-GEFI deficiency is a rare hematologic disease due to defective platelet function and characterized by mucocutaneous bleeding starting in infancy (around 18 months of age), presenting with prolonged and severe epistaxis, hematomas and bleeding after tooth extraction. Massive menorrhagia and chronic anemia have also been reported. GARD:0017695 inherited bleeding disorder, platelet-type caused by mutation in RASGRP2 inherited blood coagulation disorder