Which one of the following haematological disorders is most associated with gingival hyperplasia?

Which one of the following haematological disorders is most associated with gingival hyperplasia?

Chronic lymphocytic leukaemia
Myelofibrosis
Polycythaemia rubra vera
Haemophilia A
Acute myeloid leukaemia

Dr. Kasper:
Acute myeloid leukaemia

Gingival hyperplasia: phenytoin, ciclosporin, calcium channel blockers and AML

Gingival hyperplasia

Drug causes of gingival hyperplasia

phenytoin
ciclosporin
calcium channel blockers (especially nifedipine)

Other causes of gingival hyperplasia include

acute myeloid leukaemia (myelomonocytic and monocytic types)