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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) 18F-FDG PET/CT in a cardiac metastasis in a patient with history of malignant ne...
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Vol. 37. Issue 2.
Pages 110-113 (March - April 2018)
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Vol. 37. Issue 2.
Pages 110-113 (March - April 2018)
Clinical note
18F-FDG PET/CT in a cardiac metastasis in a patient with history of malignant neuroectodermal tumour of the chest wall: Case report and review of the literature
PET/TC con 18F-FDG en metástasis cardíaca en un paciente con antecedente de tumor neuroectodérmico maligno de la pared torácica (tumor de Askin): caso clínico y revisión de la literatura
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J.A. Marroquín
Corresponding author
jaime_mg21@hotmail.com

Corresponding author.
, A.C. Hernández, J.P. Pilkington, A. Saviatto, M.J. Tabuenca, J.M. Estenoz
12 de Octubre Hospital University, Nuclear Medicine Department, Avenida de Córdoba s/n, 28041 Madrid, Spain
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Abstract

The case presented is a 25-year-old male with a malignant neuroectodermal tumour on the left chest wall (Askin tumour), treated with surgery after neoadyuvant chemotherapy and followed by consolidation chemotherapy. After 9 years of disease free survival, the patient developed an acute pulmonary embolism. The echocardiogram, thoracic CT, and cardiac MRI scans revealed a mass in the right atrium. Recurrence of an Askin tumour versus an atrium myxoma was suspected. 18F-FDG PET/CT showed an intense hypermetabolic right atrium mass with extension to the right ventricle highly suggestive of malignancy. The result of the histopathology examination after biopsy and subsequently exeresis of the right atrium mass was consistent with a metastasis of the primary tumour.

Keywords:
18F-FDG PET/CT
Malignant neuroectodermal tumour of the chest wall
Askin tumour
Cardiac metastasis
Resumen

Presentamos el caso de un varón de 25 años con tumor neuroectodérmico maligno de la pared torácica izquierda (tumor de Askin), tratado con cirugía después de tratamiento quimioterápico neoadyuvante y seguido por quimioterapia de consolidación. Después de 9 años libre de enfermedad, el paciente presenta un episodio de tromboembolismo pulmonar agudo. El ecocardiograma, la tomografía computarizada de tórax y la resonancia cardíaca evidenciaban una masa en la aurícula derecha. Se sospechó recidiva del tumor de Askin versus mixoma auricular. La PET/TC con 18F-FDG mostró una masa hipermetabólica en la aurícula derecha con extensión a la cavidad ventricular derecha, altamente sugestiva de malignidad. El resultado del examen anatomopatológico después de la biopsia y posteriormente a la exéresis de la masa auricular derecha fue compatible con metástasis del tumor primario.

Palabras clave:
PET/TC 18F-FDG
Tumor neuroectodérmico maligno de la pared torácica
Tumor de Askin
Metástasis cardíaca

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