JCDD, Vol. 13, Pages 84: Multimodality Imaging in Cardiac Metastasis of Cutaneous Melanoma: Case Report and Systematic Review

Journal of Cardiovascular Development and Disease doi: 10.3390/jcdd13020084

Authors:
Karina L. Lara-Sampayo
Juan Carlos Ibarrola-Peña
Miranda de la Pena-Tamez
Jose A. Salinas-Casanova
Rafael Garcia
Carlos Jerjes-Sanchez
Jose Gildardo Paredes-Vazquez
Erasmo de la Pena-Almaguer

Background: Cardiac metastases from cutaneous melanoma are uncommon and often underdiagnosed due to their variable and frequently asymptomatic presentation. To better describe their clinical features, diagnostic strategies, and outcomes, we performed a systematic review of published case reports and present an illustrative clinical case. Case presentation: We report the case of a 67-year-old man with a history of stage IIA cutaneous melanoma who presented with progressive fatigue and dyspnea. Disease recurrence was confirmed by skin biopsy. Multimodal imaging, including echocardiography, FDG PET-CT, and cardiac magnetic resonance (CMR), demonstrated extensive myocardial infiltration consistent with cardiac metastases. Despite treatment with immunotherapy, the patient experienced progressive clinical deterioration and died six months after diagnosis. Discussion: The systematic review encompassed 23 published articles reporting 27 individual cases, with a mean age at diagnosis of 55.9 years and a clear male predominance. Cardiac involvement exhibited marked heterogeneity in both clinical presentation and anatomical distribution, most frequently affecting the left ventricular free wall and the interventricular septum. Echocardiography consistently served as the initial diagnostic modality, while cardiac magnetic resonance and CT/FDG PET-CT were used to refine lesion characterization and assess extracardiac disease. Notably, a complete multimodal imaging strategy was reported in fewer than one-third of cases, reflecting variability in diagnostic approaches. Survival outcomes were highly heterogeneous, with substantial mortality, underscoring the need for earlier detection and more accurate diagnostic strategies for cardiac involvement in melanoma. Conclusions: Cardiac metastases from melanoma represent advanced disease and remain associated with poor and heterogeneous outcomes. An integrated multimodal imaging approach supports detailed diagnostic characterization and may aid clinical evaluation and management in selected cases.

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Karina L. Lara-Sampayo www.mdpi.com