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Choroidal Nevus Choroidal Nevus General Considerations Choroidal melanocytic nevus is the most common intraocular tumor (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,…

Iris Cysts Iris Cysts Iris cysts can assume any of several clinical variations (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16). Their…

Conditions That Simulate Iris Melanoma Conditions That Simulate Iris Melanoma There are several conditions that can clinically simulate iris melanoma (1, 2, 3, 4, 5, 6, 7, 8, 9, 10,…

Melanocytic Tumors of Iris Stroma Iris Nevus General Considerations The common iris nevus is covered well in the literature (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,…

Congenital Uveal Lesions Intraocular Lacrimal Gland Choristoma General Considerations There are a several congenital abnormalities that can affect the uvea, such as coloboma and aniridia, but most of them are…

Orbital Metastatic Cancer Orbital Metastatic Cancer General Considerations Several types of metastatic cancer can reach the orbital soft tissues or bones by hematogenous routes (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77). Orbital metastasis can occur in…

Orbital Lymphoid Tumors and Leukemias Orbital Non-Hodgkin Lymphoma General Considerations Lymphoid tumors range from low-grade lymphoid hyperplasias to highly malignant lymphoma. The classification of lymphoid tumors is complex, discussed in…

Surgical Management of Orbital Tumors Surgical Management of Orbital Tumor The details of surgical approaches to orbital tumors and pseudotumors are discussed elsewhere (1,2). Enucleation is discussed in the Atlas…

Orbital Secondary Tumors Orbital Secondary Tumors General Considerations By traditional definition, an orbital secondary tumor is a neoplasm that has invaded the orbital tissues to form a neoplastic site in…

Lacrimal Gland Primary Epithelial Tumors Introduction: Lacrimal Gland Lesions A variety of neoplasms and related lesions can arise in the lacrimal gland (1,2,3,4,5,6,7,8,9,10,11,12,13). Lacrimal gland lesions have many similarities to…