Case Report

Amnesia in a Patient with Rheumatoid Arthritis: A Case of Granulomatosis with Polyangiitis

Table 1

Laboratory data.

ComponentResultUnits

Complete blood cell count
WBC count12.09mg/dL
Red blood cell count5.16×10 6/uL
Hemoglobin11.9mg/dL
Hematocrit42%
Platelet count370×10 3/uL

Comprehensive metabolic panel
Sodium level135mMol/L
Potassium level4.7mMol/L
Chloride level99mMol/L
Carbon dioxide level26mMol/L
Anion gap13mMol/L
Glucose level108mg/dL
BUN9mg/dL
Creatinine0.89mg/dL
Estimated CrCl AdjBW123.12mL/min
Estimated GFR>60.0mL/min/1.73 m2
Calcium total8.1mg/dL
Bilirubin total0.6mg/dL
AST/SGOT33IU/L
ALT/SGPT41IU/L

Chemistry-misc
Antinuclear antibody (EIA)Negative
dsDNA antibodyNegative 2.0IU
C-ANCAPositive 1 : 512
P-ANCANegative
Myeloperoxidase (MPO) antibodyNegative <0.2
Proteinase 3 antibodyPositive >8.0
Complement antigen C3160.8mg/dL
Complement antigen C428.6mg/dL
CryoglobulinNegative
Cyclic citrullinated peptide antibodyNegative 1.1unit/mL
Rheumatoid arthritis QualPositive 252IU/mL
Creatinine random urine199mg/dL
Protein random urine70mg/dL
Histoplasma antibodiesNegative
1,3-beta-D-GlucanNegative 37pg/mL
Hepatitis A (HAAb) antibody IgMNonreactive
Hepatitis A antibodyNonreactive
Hepatitis B core antibody IgMNonreactive
Hepatitis B surface antigenNonreactive
Hepatitis C antibodyNonreactive
HIV1 p24 and HIV1/HIV2 antibodyNonreactive