Papillary Intralymphatic Angioendothelioma (Dabska)



Papillary Intralymphatic Angioendothelioma (Dabska)


David S. 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 examination shows papillae lined by mildly enlarged hobnailed cells projecting into the vascular lumens. 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 9, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Papillary Intralymphatic Angioendothelioma (Dabska)
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