Papillary Intralymphatic Angioendothelioma (Dabska Tumor)



Papillary Intralymphatic Angioendothelioma (Dabska Tumor)


David Cassarino, MD, PhD

Julie C. Fanburg-Smith, MD










Scanning magnification view of a papillary intralymphatic angioendothelioma (Dabska tumor) shows a polypoid lesion in the skin with irregular dilated vascular spaces image.






High power shows papillae lined by mildly enlarged hobnailed cells projecting into the vascular lumina. The cells show vesicular chromatin, small nucleoli, and occasional grooves image.


TERMINOLOGY


Abbreviations



  • Papillary intralymphatic angioendothelioma (PILA)


Synonyms



  • Dabska tumor


  • Endovascular papillary angioendothelioma


Definitions



  • Low-grade malignant vascular tumor composed of hobnailed endothelial cells


ETIOLOGY/PATHOGENESIS


Unknown



  • May be associated with vascular or lymphatic tumor/malformation

Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Papillary Intralymphatic Angioendothelioma (Dabska Tumor)
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