Cystic tumour of the atrioventricular nodal region explained

Cystic tumour of the atrioventricular nodal region
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Field:	Cardiology, oncology

Cystic tumour of the atrioventricular nodal region is a very rare tumour of the heart in the region of the atrioventricular node. It is also known as mesothelioma of the atrioventricular node.^[1]

Presentation

It may present as a cardiac arrhythmia or as sudden cardiac death.^[1]

Pathology

Cystic tumours of the atrioventricular nodal region, true to their name, have cystic spaces, which are lined by a single layer of histomorphologically benign epithelial cells. The appearance is similar to that of lymphangioma and this is a name that has been used for this tumour.^[1]

Treatment

The treatment of cystic tumours of the atrioventricular nodal region is surgical excision.^{[1] [2]}

See also

• Atrial myxoma
• Papillary fibroelastoma

Notes and References

1. Paniagua . JR. . Sadaba . JR. . Davidson . LA. . Munsch . CM. . Cystic tumour of the atrioventricular nodal region: report of a case successfully treated with surgery. . Heart . 83 . 4 . E6 . Apr 2000 . 10.1136/heart.83.4.e6. 10722558 . 1729374.
2. Kaminishi . Y. . Watanabe . Y. . Nakata . H. . Shimokama . T. . Jikuya . T. . Cystic tumor of the atrioventricular nodal region. . Jpn J Thorac Cardiovasc Surg . 50 . 1 . 37–9 . Jan 2002 . 10.1007/bf02913485. 11855098 .