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Case Reports
. 2011 Jan;4(1):65-7.
doi: 10.4103/0974-2069.79628.

Imaging of pericardial lymphangioma

Rania H Zakaria  1 , Nadine R Barsoum, Ayman A El-Basmy, Sameh H El-Kaffas
Affiliations
Case Reports

Imaging of pericardial lymphangioma

Rania H Zakaria et al. Ann Pediatr Cardiol. 2011 Jan.

Abstract

Pericardial cystic lymphangioma is a developmental malformation of the lymphatic system. We report a case of cystic pericardial lymphangioma in the anterior mediastinum in a 1-year-old male child. The lesion was diagnosed with multidetector computed tomography and magnetic resonance imaging (MRI). Histopathological examination showed features of cystic lymphangioma.

Keywords: Cystic lymphangioma; cardiac MRI; pericardial tumors.

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Conflict of interest statement

Conflict of Interest: None declared

Figures

Figure 1
Figure 1
(a) Volume-rendered MSCT image showing the site of the lesion centered on the AV groove, splaying the right atrium (RA) and right ventricle (RV) and slightly compressing them and the origin of the main pulmonary artery (PA). It also demonstrates the right coronary artery (RCA) originating from the aorta (AO) and passing into the site of the lesion without alteration of its course. (b) MSCT image of the heart in the axial plane after contrast administration showing the partially heterogenous hypodense lesion (L) involving the anterior mediastinal region, splaying the right atrium (RA) and right ventricle (RV), with the right coronary artery (RCA) seen arising from the aorta (AO) and passing anteriorly traversing the lesion. It also shows that the lesion is deep within the pericardium (P) with pericardial effusion
Figure 2
Figure 2
(a) TFE-DW 3T MR image in the axial plane showing the lesion (L) as a hypointense structure splaying the hyperintense right atrium (RA) and right ventricle (RV). (b) T1-weighted FSE of the heart in the axial plane showing the heterogenously hyperintense lesion (L) with internal septae within involving the anterior mediastinal region, centered on the atrioventricular groove between the right atrium (RA) and right ventricle (RV), with the right coronary artery (RCA) seen passing inside the lesion appearing as a signal void vessel. (c) T2-weighted TSE-BB 3T MR image of the heart showing the hyperintense lesion (L) abutting the right atrium (RA) and right ventricle (RV) which display a hypointense signal. The heterogenous intermediate-to-bright signal of the pericardial effusion (P) is seen at the right lateral aspect of the lesion
Figure 3
Figure 3
Photomicrograph of the lesion after surgical removal using the H and E stain with a ×100 magnification showing spaces lined by flat endothelial cells with a homogenous pink material, hence diagnosing cavernous lymphangioma
See this image and copyright information in PMC

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