Table 1.

Other EBV-positive NK/T-cell malignancies of adult.

	ANKL	NTNKL	IVNKTL
Sex	Male = female	Male > female	Male > female
Median age	40 years	62 years	46 years
Ethnicity	Asian	Asian	Asian and Latin American
Localization	PB, BM, liver, spleen	Systemic nodal	Intravascular growth
Pathologic characteristics	Leukemic cells, from normal to highly atypical features CD3+, CD56+, cytotoxic molecules+, EBER+	High-grade morphology with centroblastoid appearance CD3+, CD8+, CD56−, cytotoxic molecules+, EBER+	Intraluminal large atypical cells CD3+, CD56+, cytotoxic molecules+, EBER+
Clinical course	Aggressive	Aggressive	Aggressive

ANKL, aggressive NK cell leukemia; NTNKL, nodal T-/NK cell lymphoma; IVNKTL, intravascular NK/T-cell lymphoma; PB, peripheral blood; BM, bone marrow.