Acute viral myositis complicated by rhabdomyolysis: a sole manifestation of COVID-19 infection

Figures & data

Figure 1. AP radiograph of the chest demonstrates no focal consolidation or effusion

Figure 2. Pre-contrast axial T1 weighted MRI of the lumbar spine (Left), Post contrast T1 weighted axialimage (Right) demonstrates heterogenous enhancement of the iliopsoas musculature (arrows)

Table 1. CSF analysis

Colour	Colourless
Pressure (cmH2O)	10
Appearance	Clear
RBC CSF count/µL	0
RBC %	0
WBC cell count/µL	0
Lymphocytes	0
Lactic acid	2.9 mmol/L (H) [normal 1.1–2.4]
LDH	9 IU/L
Protein	16 mg/dl
Glucose	104 mg/dl (H) [normal 40–70]
Oligoclonal bands	No oligoclonal bands
Culture	No growth

Table 2. Antibody panel

Anti–double‐stranded DNA antibody	2 IU/ml (normal <4 IU/ml)
Anti–Sjögren’s-syndrome-related antigen A antibody	1.1 AI (H) (normal <1.0 AI)
Anti–Sjögren’s-syndrome-related antigen B antibody	<1.0 AI (normal <1.0 AI)
Antinuclear antibody screen	Negative
Anti-smith antibody	Negative
Anti-ribonucleoprotein antibody	Negative
Anti-acetylcholine receptor antibody	<0.02 nmol/L
Anti-neutrophil cytoplasmic antibody -ANCA, (c-ANCA & p-ANCA)	<1.0 AI
Anti-Jo antibody	< 1.0 AI