Key result
Cardiac MRI accurately identifies rare right atrial fibroma in a symptomatic toddler.
Why the study?
Cardiac fibromas are rare primary cardiac tumours that typically require surgical intervention, but atypical presentations and diagnostic imaging utility are not well characterized.
Case Report (n=1)
Cardiac MRI is effective in diagnosing rare atypical presentations of cardiac fibromas, such as in the right atrium of pediatric patients.
Supports inclusion of fibroma in pediatric right atrial mass differentials; hypothesis-generating for management of atypical locations.
Primary cardiac tumours are relatively rare in the paediatric population, with benign tumours accounting for >90% of cases. Cardiac fibromas are rare primary tumours that typically reside in the ventricles. Symptoms are usually the result of blood outflow obstruction or disruption of the cardiac conduction system. They do not typically regress and usually require surgical intervention. In this case, we report a rare finding of a right atrial fibroma in an 18-month-old female who presented with lethargy and vomiting. Chest X-ray revealed an enlarged cardiac silhouette, and follow-up CT showed a 3.7×3.2×3.7 cm hypodense lesion in the right atrium. Cardiac MRI revealed the diagnosis, which was confirmed on pathology.
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Flores et al. (2019) conducted a case report in Right atrial fibroma (n=1). Cardiac imaging (CT and MRI) was evaluated on Diagnosis of cardiac fibroma. Cardiac MRI successfully identified a rare right atrial fibroma in an 18-month-old female presenting with lethargy and vomiting, which was subsequently confirmed on pathology.
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