Cardiac calcified amorphous tumors: CT and MRI findings

Yılmaz, Ravza; Demır, Ali; Onur, Imran; Yılbazbayhan, Dilek; Dursun, Memduh

doi:10.5152/dir.2016.16075

Cited by 19 publications

(20 citation statements)

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“…CMR imaging provides a higher contrast resolution and is more effective in characterizing cardiac masses. Most cases of CAT present as high, intermediate, and/or low signal intensity on both T1‐ and T2‐weighted images . In our case, CAT showed a heterogeneous appearance with low signal intensity on T1‐ and T2‐weighted images.…”

mentioning

confidence: 44%

“…The differential diagnosis of CAT includes myxoma, fibroma, and vegetation. Some imaging features may contribute to the diagnosis, including a common location (the opposite side of the mitral valve along the atrioventricular groove), hyperechoic and partially or diffuse calcified mass, and homogenous appearance with a low signal intensity on precontrast T1‐ and T2‐weighted spin‐echo sequences with no contrast enhancement after gadolinium injection in early and delayed sequences.…”

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confidence: 99%

“…Calcified amorphous tumor may have complications, such as pulmonary emboli, blurred vision, and occipital stroke . Therefore, early diagnosis has important clinical significance.…”

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confidence: 99%

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Multimodality imaging of a left atrial calcified amorphous tumor

et al. 2019

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A cardiac calcified amorphous tumor (CAT) is an extremely rare non‐neoplastic cardiac mass composed of calcium nodules in an amorphous background of fibrin materials. Herein, we report a case of CAT in the left atrium of an asymptomatic 72‐year‐old man who underwent multimodality imaging and successful resection of the CAT. Results of the present case suggest that multimodality imaging plays an important role in detecting cardiac CAT, determining the treatment plan and serial follow‐ups for the patients after the treatment.

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Multimodality imaging of a left atrial calcified amorphous tumor

et al. 2019

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“…Although a large number of patients with MAC-related CATs have undergone surgical resection to confirm the diagnosis, recently a noninvasive approach and follow-up have also been suggested. 3 , 9 We opted for this approach with our patient. Two-year follow-up was uneventful and echocardiography showed no change with respect to the size and features of the mass.…”

Section: Discussionmentioning

confidence: 99%

A Mitral Annular Calcification–Related Calcified Amorphous Tumor in End-Stage Renal Disease

Sadeghpour

Alizadehasl

Nojoomizadeh

et al. 2017

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“…The maximum CT number of the calcified parts in cardiac myxoma was 1111 HU, and that in the thrombus was 154 HU. Previous studies reported calcification in approximately 14% of cardiac myxomas and it was more frequent in right-sided myxomas (29,34,35). Few studies have focused on the CT number of calcified parts in cardiac myxomas or thrombi.…”

Section: Detecting Of Primary Cardiac Tumorsmentioning

confidence: 99%

Differentiation of Primary Cardiac Tumors from Metastatic Tumors by Non-invasive Cardiac Imaging

Otomi

Otsuka

Arase

et al. 2018

Annals of Nuclear Cardiology

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Background: Various imaging modalities are used to identify and characterize cardiac masses. While echocardiography remains the preferred imaging modality to evaluate cardiac masses, computed tomography (CT), magnetic resonance imaging (MRI), and 18 F-fluorodeoxyglucose positron emission tomography (18 F-FDG PET)/CT are being increasingly employed to assess cardiac mass lesions. However, the clinical value of noninvasive cardiac imaging for differentiating between primary cardiac mass and metastatic lesions has not yet been examined in detail. The purpose of the present study was to evaluate the diagnostic utility of non-invasive cardiac imaging for differentiating primary cardiac tumors from metastatic lesions, and non-tumorous lesions. Methods: A retrospective review was conducted on 22 cardiac mass lesions in 20 patients assessed by cardiac imaging (at least one of CT, MRI, or 18 F-FDG PET/CT) between December 2005 and March 2017. CT findings included the tumor size, location, existence of calcification, and morphology of the base portion of the lesion. MRI parameters included signals with T1-weighted imaging (T1WI), T2WI, mobility with cine imaging, and contrast enhancement. Tracer uptake by each cardiac lesion using 18 F-FDG PET/CT was also evaluated. Results: Among 17 cardiac mass lesions assessed by contrast-enhanced CT, all cardiac myxomas and papillary fibroelastomas had a pedunculated base portion. All metastases located in the cavity had a sessile base portion (P=0.0035). Malignant tumors (metastases and malignant lymphoma) had no mobility, while cardiac myxomas had a slightly higher frequency of mobility with cine MRI (0% vs. 100%, P=0.0667). Among the four lesions for which 18 F-FDG PET/CT was performed, the three malignant lesions had strong 18 F-FDG uptake, while the benign lesion showed insignificant accumulation. Conclusions: The characteristics of the base portion of cardiac mass were useful for differentiating primary cardiac tumors from metastatic cardiac tumors. Cine MRI also exhibited diagnostic utility for differentiating between primary cardiac tumors and metastases. Therefore, non-invasive cardiac imaging may be employed to differentiate cardiac mass lesions. The accurate diagnosis of cardiac mass lesions may require the assessment of multiple characteristics on images.

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Cardiac calcified amorphous tumors: CT and MRI findings

Cited by 19 publications

References 20 publications

Multimodality imaging of a left atrial calcified amorphous tumor

Multimodality imaging of a left atrial calcified amorphous tumor

A Mitral Annular Calcification–Related Calcified Amorphous Tumor in End-Stage Renal Disease

Differentiation of Primary Cardiac Tumors from Metastatic Tumors by Non-invasive Cardiac Imaging

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