#vascular tumor

• Angioblastoma — A vascular tumorous formation, either benign or of low malignancy, characterized by the abnormal and uncontrolled proliferation of angioblasts or immature endothelial cells. In oncological and histopathological terminology, this structural term often refers to hemangioblastoma, a tumor frequently localized within the central nervous system (cerebellum or spinal cord), potentially associating ectopic erythropoietin secretion and compressive neurological manifestations.
• Angioendothelioma — A rare vascular tumorous formation, characterized by the abnormal and uncontrolled proliferation of endothelial cells lining the interior of blood or lymphatic vessels. In oncological and histopathological terminology, this structural term defines a spectrum of lesions ranging from borderline malignant forms, such as endovascular papillary angioendothelioma, to highly aggressive variants, requiring an early and well-defined microscopic diagnosis.
• Angiomatosis — A structural pathological state characterized by the presence and development of multiple benign vascular lesions or tumors (angiomas) localized across extensive areas of the skin, mucous membranes, or internal organs. This well-defined phenomenon can evolve within complex congenital neurocutaneous or systemic syndromes (such as bacillary angiomatosis or von Hippel-Lindau disease), generating compressive or hemorrhagic complications in the affected tissues.