ALK-Negative Anaplastic Large Cell Lymphoma Presenting as Disseminated Intravascular Coagulation and Hemophagocytic Lymphohistiocytosis: A Potentially Fatal Presentation

Table 1

Diagnostic workup.

Laboratory parameter (units)	Normal range	Initial workup	Day 7	Day 20
Hemoglobin (g/dL)	14.0–18.0	13	8.5	8.7
White blood cells (10^9/L)	4.8–10.8	2.61	2.99	0.37
Platelets (10^9/L)	130–400	92	61	77
PT (seconds)	9.95–12.87	12.5	13.7	12.5
PTT (seconds)	27.0–39.2	28.7	99	28.7
Lactate dehydrogenase (IU/L)	60–200	—	982	674
Fibrinogen (mg/dL)	200–570	—	84	650
Haptoglobin (mg/dL)	34–200	—	<20	<20
Ferritin (ng/mL)	15–150	—	32,522	19,947
Total bilirubin (mg/dL)	0.2–1.2	1.0	1.3	1.0
Direct bilirubin (mg/dL)	0.0–0.2	0.46	0.49	0.35
Alkaline phosphatase (IU/L)	30–115	212	274	210
Aspartate aminotransferase (IU/L)	0–41	166	122	25
Alanine aminotransferase (IU/L)	0–45	61	37	49