Intracardiac Echocardiography-Guided Biopsies for Right-Sided Intracardiac Tumors: an Optimized Diagnostic Algorithm and Case Illustrations.

Arco J. Teske,Gian-Manuel Jimenez-Rodriguez,Adriaan O. Kraaijeveld,Lysette N. Broekhuizen,Dirk van Osch,Eelke H. Gort, Anna v Rhenen, Pim vd Harst,Michiel Voskuil

Catheterization and Cardiovascular Interventions（2024）

Department of Cardiology | Univ Utrecht

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Abstract

Intracardiac tumors, though uncommon, necessitate a swift and accurate diagnosis for personalized treatment and prognosis estimation. While multi-modality imaging often determines the etiology of these cardiac masses, histological confirmation remains essential for definitive diagnosis and its specific treatment. Since cardiac tumors are often found in high-risk locations (ventricular free wall or atria), precision biopsy is paramount. The least invasive strategy would be to achieve this by means of endomyocardial biopsy (EMB); however real-time additional imaging is essential to reduce the risk of perforation/tamponade and to minimize sampling error. Intracardiac echocardiography (ICE) emerges as an excellent tool to achieve this goal preventing procedural complications and reducing the likelihood of sampling errors obtaining a definitive histopathological diagnosis in all cases. This paper outlines our diagnostic algorithm for optimal patient selection, details three illustrative cases, and elucidates the steps to acquire histopathology via percutaneous transvenous biopsy with ICE guidance in patients with right-sided cardiac tumors. Given the rarity of intracardiac tumors, we advocate these patients be managed by a dedicated multidisciplinary cardio-oncology team including an interventional cardiologist.

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Key words

endomyocardial biopsy (EMB),imaging intracardiac echocardiography (IICE),tumors--cardiac

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