Case Report

An Unusual Coexistence of Primary Central Nervous System Non-Hodgkin’s Lymphoma and Acute Promyelocytic Leukemia

Table 1

Laboratory values in the main time-points from hospital admission to PNCSL diagnosis.

Admission 1 Sep 20147 Sep 201415 Sep 20141 Oct 2014APL diagnosis and start of ATO-ATRA + prednisone 4 Oct 2014After 7 days of ATO-ATRA + prednisone 11 Oct 2014After 15 days of ATO-ATRA + prednisone 20 Oct 2014At the end of ATO-ATRA induction + prednisone 31 Oct 2014At PNCSL diagnosis 14 Nov 2014

Hb (g/dl)13.5131313.313.4108.810.112.6
WBC count (×109/L)99.515102020.95.73.28.8
ANC (×109/L)2.42.54.52.52.517.53.41.45.8
Blast cells (%)010606470111200
Platelets (×109/L)120902415474724361429
GOT (U/L)201919171564493516
GPT (U/L)30322929301251296315
Creatinine (mg/dl)0.90.90.90.90.90.70.60.50.6
Fibrinogen (mg/dl)237240250237275207214289536
D-dimer (μg/ml)698690243024009903707862641492
LDH (U/L)240230300309304448227186195
PT (ratio)1.061.071.051.071.130.950.921.011.03
aPTT (ratio)0.870.890.850.880.910.780.780.91.07

Hb: hemoglobin (normal values 13.5–17.5 g/dl); WBC: white blood cell (normal values 4.8–10.8 × 109/L); ANC: absolute neutrophil count (normal values 1.5–6.5 × 109/L); GOT: aspartate transaminase (normal values 5–38 U/L); GPT: alanine aminotransferase (normal values 5–41 U/L); creatinine normal values 0.5–1.2 mg/dl; fibrinogen normal values 165–350 mg/dl; D-dimer normal values 0–230 μg/ml; LDH: lactate dehydrogenase (normal values 135–225 U/L); PT: prothrombin time (normal values 0.88–1.21 sec); aPTT: partial thromboplastin time (normal values 0.85–1.18 sec).