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Table 1 Investigation findings

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