Rapid Onset of B12 Deficiency in the Setting of Worsening Multiple Myeloma: Correlations between B12 Deficiency and Multiple Myeloma

Table 1

Displaying the trend of B12 levels, CBC, and paraprotein levels.

Laboratory test	Time of presentation	Three months before	24 months before
B12 levels (211–946 pg/mL)	94	631.5 pg/ml	751 pg/ml
WCC (4.5–11 × 103/uL)	2.5	4.67	4.5
Hb (12–16 g/dL)	6	11.7	11.1
Platelet (140–440 thou/cu mm)	7	142	143
Intrinsic factor antibody (0–1.1 AU/mL)	11.9
Monoclonal spike (0.7–1.60 g/dL)	3.13	1.07	0.4