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Cystic Atrioventricular Node Tumor Excision by Minimally Invasive Surgery  Lucio Careddu, MD, Antonio Pantaleo, MD, Carlo Savini, MD, Marco Di Eusanio,

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1 Cystic Atrioventricular Node Tumor Excision by Minimally Invasive Surgery 
Lucio Careddu, MD, Antonio Pantaleo, MD, Carlo Savini, MD, Marco Di Eusanio, MD, PhD, Ornella Leone, MD, Roberto Di Bartolomeo, MD  The Annals of Thoracic Surgery  Volume 96, Issue 5, Pages (November 2013) DOI: /j.athoracsur Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Gross examination and histologic findings of the cystic tumor of the atrioventricular node. (A) Tumor mass after resection. The epithelium is (B) squamous (hematoxylin and eosin; ×200), (C) cuboidal (hematoxylin and eosin; ×200) (arrow) or transitional-like (hematoxylin and eosin; ×200) (asterisk). (D) Small solid nests of squamous and sebaceous cells are shown (hematoxylin and eosin; ×400). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Immunohistochemical findings: diffuse expression of (A) wide-spectrum cytokeratins (×100), (B) epithelial membrane antigen (×400), and (C) calcitonin (×250). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions


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