Table 2. Clinical investigation and laboratory tests at the time of diagnosis of PRCA - Case 2.

Tests	Results	Reference Values
Hemoglobin	7.0 g/dl	12.5-15.7 g/dl
Hematocrit	20.1%	36-46%
Iron	226 µg/dl	5-170 µg/dl
Ferritin	1500 ng/ml	4.6-204 ng/ml
Transferrin saturation	105%	15-50%
Reticulocyte count	9.300 µL	22.500-147.000 / µL
Lactate dehydrogenase	311 U/L	125-220 U/L
Vitamin B12	308 pg/ml	187-883 pg/ml
Folic acid	13.0 ng/ml	3.1-20.5 ng/ml
Total bilirubin	0.71 mg/dl	0.1-1.2 mg/dl
C-reactive protein	5.45 mg/dl	< 0.50 mg/dl
Serum albumin	4.3 g/dl	3.5-5.0g/dl
Parathyroid hormone	148 pg/ml	15-68 pg/ml
TSH	3.7 µUI/ml	0.35-4.94 µUI/ml
Glutamic-pyruvic transaminase	20 U/L	0-55 U/L