From: Tuberculous monoarthritis of the wrist in a patient with systemic lupus erythematosus: a case report
Investigation | Variable | Findings |
---|---|---|
Full blood count | Platelet count (Ă—103/μL) | 312 (150–400) |
Hemoglobin (g/dL) | 11.7 (12–15) | |
WBC (Ă—103/μL) | 7.6 (4.5–11) | |
Neutrophils | 45% | |
Lymphocytes | 51% | |
Erythrocyte sedimentation rate | (mm/hr) | 60 (<20) |
C-reactive protein | (mg/dL) | 23 (<5) |
Urine full report | Proteins | + |
Red cells | Nil | |
White blood cells | 35–40/hpf | |
Joint aspirate | Colour | Milky |
Appearance | Turbid | |
Lymphocytes (per cumm) | 100 | |
Polymorphs (per cumm) | Field full | |
Red cells (per cumm) | 400 | |
Joint aspirate culture/synovial tissue culture | No growth | |
Synovial fluid cytology | Acute inflammatory cells | |
Synovial biopsy | Granulomatous inflammation, Zeihl Neelson stain positive for acid fast bacilli | |
In keeping with tuberculous synovitis | ||
Blood picture | Normochromic normocytic anemia with rouleux formation | |
Suggestive of chronic infection/inflammation | ||
TB PCR of synovial fluid | Positive for Mycobacterium tuberculosis |