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  • Title: The microcirculation of choroidal and ciliary body melanomas.
    Author: Folberg R, Mehaffey M, Gardner LM, Meyer M, Rummelt V, Pe'er J.
    Journal: Eye (Lond); 1997; 11 ( Pt 2)():227-38. PubMed ID: 9349418.
    Abstract:
    The microcirculation of ciliary body and choroidal melanomas is remodelled into patterns. The presence of microvascular networks, composed of back-to-back loops that encircle microdomains of tumour, and parallel vessels with cross-linking, are associated with death from metastatic melanoma. The formation of these complex vascular patterns may result from reciprocal interactions between the tumour cell and the extracellular matrix, and pattern formation may reflect an invasive tumour cell phenotype. Ciliary body and choroidal melanomas are among the few forms of cancer treated before a pathologist assigns a grade to indicate whether tumour is likely to follow a benign or aggressive course. There is evidence to suggest that prognostically significant microcirculatory patterns may be detectable by non-invasive imaging techniques that may provide a substitute for biopsy to guide the clinical management of patients with these sight- and life-threatening tumours.
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