title: [Factor XII deficiency].
abstract: The work presents classical form and variant of F XII deficiency. Although a rare disorder, F XII deficiency can lead to bleeding, particularly after injuries and surgeries. Further laboratory investigation of patients with pathological APTT is required.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D005175:Factor XII Deficiency; D005260:Female; D006801:Humans; D008297:Male
vernacular_title: Deficit F XII.