Oral Lesion as Unusual First Manifestation of Multiple Myeloma: Case Reports and Review of the Literature

Table 1

Clinical variables at diagnosis of patients A and B.

	Case A	Case B	Normal range
Hemoglobin, g/L	10.5	10.6	12.1–15.1
Serum lactate dehydrogenase, U/L	377	256	256–450
Serum beta-2 microglobulin, mg/L	2.8	2.2	1.2–2.4
Serum albumin (g/dL)	4.0	4.1	3.5–5.0
Serum AST (U/L)	14	15	5–42
Serum ALT (U/L)	42	31	5–42
Serum calcium (mmol/L)	2.22	2.40	2.15–2.55
Serum creatinine (micromol/L)	108	89	60–125
Blood urea nitrogen (mmol/L)	5.2	4.8	2.5–8.0
ISS stage	I	I	—
Durie and Salmon Stage	1	1	—