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Int J Cardiovasc Imaging. 2017 Jun;33(6):879-888. doi: 10.1007/s10554-017-1065-7. Epub 2017 Jan 30.

Incremental value of cardiac magnetic resonance for the evaluation of cardiac tumors in adults: experience of a high volume tertiary cardiology centre.

Author information

1
Department of Cardiology, University of Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.
2
Institute of Pathology, University of Heidelberg, Heidelberg, Germany.
3
Department of Haematology, University of Heidelberg, Heidelberg, Germany.
4
Department of Cardiology, University of Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany. gkorosoglou@hotmail.com.

Abstract

To assess the value of cardiac magnetic resonance imaging (CMR) in evaluating cardiac tumours in a tertiary cardiology centre. Between 2004 and 2014, 125 patients (pts.) from a total of 17000 who received a CMR examination in our institution were referred with the suspicion of cardiac tumours. A dedicated protocol was used that included standard cine SSFP acquisitions as well as tissue characterization using T1 and T2 black-blood (T1 BB and T2 BB respectively) with and without fat suppression, perfusion of the structure and late gadolinium enhancement. Patients' files were retrospectively analysed and data related to clinical status, results from other examinations (echocardiography), therapeutic approach and histology results, when performed, were collected. In 65 pts., a diagnosis of cardiac tumour was reached. 45 Pts had a biopsy. The CMR examination was concordant with the histology results in 35 (76%) pts. superior to that showed by echocardiography, 26 (58%) pts., p = 0.03. Forty-two (65%) pts. had a benign tumour and 23 (35%) a malignant process. Myxoma was the most frequent benign tumour, 27 (65%) and cardiac metastases were the most frequent form of malignancies, 21 (91%), with B cell non-Hodgkin lymphoma being the most frequent one, 4 (19%). Benign tumours were mostly located in the left atrium, 27 (64%) versus 6 (26%), p = 0.007, whereas malignant tumours had a predilection for the right atrium und left ventricle [11 (48%) vs. 3 (7%), p = 0.001 and 8 (35%) vs. 3 (7%), p = 0.03]. All benign cardiac tumours were single and did not show signs of infiltration. Conversely, malignant cardiac tumours were larger (43 ± 35 vs. 24 ± 16, p = 0.007) with a significant proportion (65%) showing myocardial infiltration. Pts with malignant cardiac tumours had a higher proportion of LGE (82 vs. 60%, p = 0.05) and exhibited more frequently an isointense signal in T1 BB images (78 vs. 61%, p = 0.04). Both groups showed similar proportion of perfusion and signal intensity in the T2 BB acquisitions (p = NS). CMR is a valuable tool in evaluating cardiac tumours, proving superior to echocardiography in establishing the type of cardiac tumour.

KEYWORDS:

Cardiac metastasis; Cardiac tumour; Late gadolinium enhancement; Myxoma; Tissue characterisation

PMID:
28138817
DOI:
10.1007/s10554-017-1065-7
[Indexed for MEDLINE]

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