A 64-Year-Old Woman with Chest Pain, Limb Weakness, and Endometrial Cancer

Table 1

Laboratory findings.

Variable	Result	Reference range
Creatine kinase (U/L)	10176	<170
Troponin T (ng/L)	1198	<50
Creatine kinase-MB (g/L)	262.6	<5.0
Aldolase (U/L)	67	1.20–8.80
Aspartate aminotransferase (U/L)	438	10–35
Alanine aminotransferase (U/L)	327	10–35
Lactate dehydrogenase (U/L)	1187	<250
CRP (mg/L)	5.0	<5.0
Creatinine (mol/L)	33	44–80
Antisignal recognition particle (anti-SRP)	Positive	NA
Anti-HMG coA reductase (anti-HMGCR)	Negative	NA
Antiacetylcholine receptor (anti-AChR)	Negative	NA
Antimuscle specific kinase (anti-MuSK)	Negative	NA
Antivoltage gate calcium channel (anti-VGCC)	Negative	NA

Reference range for nonpregnant adults, with no medical conditions.