Adrenal Mass in a 70-Year-Old Woman

Table 1

Initial laboratory workup [9].

Test	Result	Normal range
WBC (white blood cells)	15740/µl	4000–11000
RBC (red blood cells)	5.9 million/µl	4.2–5.4
Hb (hemoglobin)	15.2 g/dl	12.5–16
Platelets	194000/µl	140000–450000
FPG (fasting plasma glucose)	127 mg/dl	60–110
LDH (lactate dehydrogenase)	340 IU/l	140–280
ESR 1h (erythrocyte sedimentation rate)	5 mm/h	0–30
CRP (C-reactive protein)	Negative
Bun	14 mg/dl	5–23
Cr	1.1 mg/dl	0.6–1.4
Ca	8.6 mg/dl	8.6–11
P	3.4 mg/dl	2.9–5.1
Na	142 mEq/l	135–145
K	3.9 mEq/l	3.9–5.3