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.



  • Papillary intralymphatic angioendothelioma (PILA)


  • Dabska tumor

  • Endovascular papillary angioendothelioma


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



  • 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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