Microscopic examination of the tissue demonstrated expanded vessels (arrow) increased with inflammatory cells. The appearance is characteristic of vascular tumors (hematoxylin and eosin, original magnification ×200). Vascular tumors of the external auditory canal: three case reports and a review of the literature: Yamamoto K, Ogasawara N, Seki N, Konno N, Tsubota H, Himi T - SpringerPlus (2015). Not altered. CC.
Vascular tumors are a spectrum from the benign hemangiomas, infrequently metastasized intermediate lesions, to fairly rare, highly malignant lesions.
Examples of vascular tumors include:
- Benign tumors and tumor-like lesions of the vasculature
- Borderline tumors of the vasculature
- Malignant tumors of the vasculature