CTICasesRhabdomyolysis Presenting with Troponin Elevation
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Imaging findings
Coronary CT showed completely normal coronary arteries and normal cardiac function. Full field of view reconstructions revealed reticulation in the axillary regions, edema in both axillary regions, and diffuse 'boggy' looking muscles throughout the chest wall. The lateral thoracic arteries and some other arteries appeared larger than normal, consistent with diffuse muscle involvement and stranding.
Key takeaways
Troponin levels can be elevated in the setting of rhabdomyolysis due to non-cardiac causes, leading to a 'falsely' elevated cardiac troponin. Imaging findings of rhabdomyolysis on CT can include diffuse muscle edema and stranding throughout the chest wall. It is important to consider the patient's renal function and the risk of contrast-induced nephropathy when performing coronary CTA in patients with rhabdomyolysis.
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