title: Blastic natural killer (NK) cell leukemia (agranular CD4+CD56+ leukemia).
abstract: Blastic NK cell lymphoma is a rare hematolymphoid neoplasm. This report illustrates an unusual presentation of this entity, namely as a primary leukemia, but without skin lesions.
authors: Division of Laboratory Medicine, Geisinger Medical Center, Danville, PA 17822-0131, USA. kzhang1@geisinger.edu
authors: Kai
authors: K
authors: Zhang
authors: Jeffrey W
authors: JW
authors: Prichard
authors: Robert E
authors: RE
authors: Brown