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Table 1 Patient’s laboratory examination results

From: Crescentic glomerular nephritis associated with rheumatoid arthritis: a case report

Examinations Results
Urine full report Protein 2+ Pus cells: 5–10/HPF Red blood cells: moderately full field Few granular casts present
Twenty-four-hour urinary protein excretion 2 g/24 hours
Dysmorphic red blood cells 17%
Serum creatinine 2 months before presentation: 88 μmol/L On admission: 389 μmol/L Posttreatment: 110 μmol/L
Serum electrolytes Sodium: 138 mmol/L
Potassium: 4.1 mmol/L
Inflammatory markers ESR: 110 mm in first hour
CRP: 45 mg/dl
Fasting blood sugar 95 mg/dl
Abdominal ultrasound Normal-sized kidneys with acute parenchymal changes and mild ascites
No organomegaly
Renal biopsy Renal parenchyma containing 20 glomeruli showing diffuse proliferative glomerular nephritis, with 14 of 20 glomeruli showing cellular crescents, and result of Congo red staining was negative
Immune fixation not done, owing to its unavailability
Immunological markers Rheumatoid factor: high titer (120 IU/ml)
ANA- and dsDNA-negative
ANCA-negative (perinuclear and cytoplasmic)
Complement C3: 98 mg/dl (normal range 90–180)
Complement C4: 21 mg/dl (normal range 10–40)
ASOT: <200 U/ml
Cryoglobulins: not detected
Other secondary causes screening Hepatitis B surface antigen-negative
Hepatitis C antibody-negative
HIV-1- and HIV-2-negative
Malignancy screening: negative
Screening tests done: chest x-ray, ultrasound thyroid, abdomen and pelvis, mammogram, gastrointestinal endoscopy
Liver profile Albumin: 28 g/L
Globulin: 33 g/L
Transaminases and bilirubin: normal
  1. Abbreviations: ANA Antinuclear antibody, ANCA Antineutrophil cytoplasmic antibody, ASOT Antistreptolysin O titer, CRP C-reactive protein, dsDNA Double-stranded deoxyribonucleic acid, ESR Erythrocyte sedimentation rate, HIV Human immunodeficiency virus, HPF High-power field