Choroidal Neovascular Membranes in Retinal and Choroidal Tumors: Origins, Mechanisms, and Effects.
Int J Mol Sci
; 24(2)2023 Jan 05.
Article
em En
| MEDLINE
| ID: mdl-36674579
ABSTRACT
Choroidal neovascularizations are historically associated with exudative macular degeneration, nonetheless, they have been observed in nevus, melanoma, osteoma, and hemangioma involving the choroid and retina. This review aimed to elucidate the possible origins of neovascular membranes by examining in vivo and in vitro models compared to real clinical cases. Among the several potential mechanisms examined, particular attention was paid to histologic alterations and molecular cascades. Physical or biochemical resistance to vascular invasion from the choroid offered by Bruch's membrane, the role of fibroblast growth factor 2 and vascular endothelial growth factor, resident or recruited stem-like/progenitor cells, and other angiogenic promoters were taken into account. Even if the exact mechanisms are still partially obscure, experimental models are progressively enhancing our understanding of neovascularization etiology. Choroidal neovascularization (CNV) over melanoma, osteoma, and other tumors is not rare and is not contraindicative of malignancy as previously believed. In addition, CNV may represent a late complication of either benign or malignant choroidal tumors, stressing the importance of a long follow-up.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Osteoma
/
Neovascularização Retiniana
/
Neoplasias da Coroide
/
Neovascularização de Coroide
/
Degeneração Macular
/
Melanoma
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article