Key result
A huge Chiari network in the right atrium, initially misdiagnosed as a thrombus, was managed conservatively after imaging confirmation, with the patient remaining asymptomatic at 6 months.
Why the study?
Although usually benign and easily diagnosed, accurate diagnosis of a Chiari network can sometimes be difficult and the lesion can lead to clinical events.
Design
Case report and review
Authors
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Chiari network warrants inclusion in RA mass differentials; leaves open its contribution to events with PFO.
Case Report (n=1)
No
A huge Chiari network can mimic right atrial thrombosis, emphasizing the need for careful differential diagnosis using multimodality imaging to prevent unnecessary anticoagulation.
Renani et al. (2022) conducted a case report in Chiari network mimicking right atrial thrombosis (n=1). Conservative management (anticoagulation discontinued) was evaluated on Clinical events or changes in mass features. A huge Chiari network in the right atrium, initially misdiagnosed as a thrombus, was managed conservatively after imaging confirmation, with the patient remaining asymptomatic at 6 months.
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