Intermediate
Technical
IVT
tumor vascularity
Blood vessel pattern and density within intraocular tumors, assessed via fluorescein angiography or ultrasound. Influences treatment selection and prognosis.
Full Definition
The pattern, density, and characteristics of blood vessels within intraocular tumors, evaluated through fluorescein angiography, indocyanine green angiography, or color Doppler ultrasonography. Tumor vascularity provides important information about tumor biology, growth rate, and response to treatment. Highly vascular tumors may require different therapeutic approaches and often have different prognostic implications compared to poorly vascularized lesions.
Usage
Usage note: Specify assessment method (angiographic vs. ultrasonographic) when documenting findings.
In Context
- "Fluorescein angiography revealed extensive tumor vascularity throughout the lesion." — angiography report
- "Treatment planning considered tumor vascularity in radiation dose calculations." — treatment planning note
Also known as
tumor blood supply
neovascularization
Contrasted with
avascularity
Don't confuse with
choroidal vasculature
retinal vessels