alexa Hemangioma of the choroid. A clinicopathologic study of 71 cases and a review of the literature.
Chemical Engineering

Chemical Engineering

Journal of Analytical & Bioanalytical Techniques

Author(s): Witschel H, Font RL

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Abstract This is a clinicopathologic study of 71 hemangiomas of the choroid. The cases were divided into three groups: Group 1 consisted of 45 cases of solitary choroidal hemangiomas (not related to any systemic disease); Group 2 comprised 17 cases with unequivocal evidence of Sturge-Weber syndrome; and Group 3 included 9 cases, 6 of which were classified as "probably Sturge-Weber syndrome." Clinically, many differences were found that established a clear distinction between Groups 1 and 2. Histopathologically, the solitary hemangiomas were well-circumscribed tumors that showed a sharply demarcated pushing margin causing compression of melanocytes and choroidal lamellae. About 70\% of these tumors were located temporally (at the posterior pole). In contrast, the lesions in the Sturge-Weber syndrome showed a diffuse angiomatosis involving more than one-half of the choroid, as well as the episcleral and intrascleral perilimbal plexuses. The cause and pathogenesis of these lesions are discussed.
This article was published in Surv Ophthalmol and referenced in Journal of Analytical & Bioanalytical Techniques

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