Case Report
Late Systemic Lupus Erythematosus-Associated Insulin Resistance Syndrome: A Rare Cause of De Novo Diabetes Mellitus
Table 1
Laboratory results during patient’s hospital stay.
| | Laboratory tests | Results | Reference values |
| | Hemoglobin | 10.1 | 12–15.5 gr/dL | | Leucocytes/neutrophils/lymphocytes | 2600/1000/500 | 4000–11,000 × mm3/2000–7000/1000–3000 | | Platelets | 236,000 | 200,000–500,000/mm3 | | CRP | 3.01 | 0.01–0.82 mg/dL | | ESR | 14 | 1–20 mm/h | | Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) | 20/18 | 10–40 units/L/7–56 units/L | | Total bilirubin/direct bilirubin | 0.66/0.22 | 0.1–1.2 mg/dL/<0.3 mg/dL | | Alkaline phosphatase/gamma glutamyl transferase (GGT) | 45/29 | 20–140 U/L/9–48 U/L | | Albumin | 4 | 3.4–5.4 g/dL | | LDH | 230 | 140–280 U/L | | Ferritin | 307 | 20–200 ng/mL | | Na+/K+/Cl−/Ca2+/Mg | 138/3.8/8.8/2.2 | mEq/L | | Triglycerides | 50 | <150 mg/dL | | PT/INR/PPT | 10/0.9/24 | 10–12 s/0.9–1.15/25–35 s |
| | Autoimmunity laboratory | | Antinuclear antibodies (ANA) | 1 : 2560 speckled | Positive> 1 : 80 | | C3/C4 | C3 50 mg/dl C4 8 mg/dl | C3 80–160 mg/dL/C4 15 a 52 mg/dL | | Anti-DNA | Positive | Positive >1 : 10 | | Extractable nuclear antigen antibodies (ENA) | Anti Ro (+) | Positive >20 units | | Antineutrophil cytoplasmatic antibodies (ANCA) | Negative | Negative | | Antiphospholipid antibodies | Negative | Negative | | Basal insulin | 25.3 | 18–48 pmol/L | | C peptide | 30 | 0–4.0 ng/mL | | Anti-insulin antibodies | Positive | Negative |
|
|
