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Orbital Tumors

Overview | Orbit Anatomy |
Dermoids | Herniated Orbital Fat | Optic Nerve Glioma | Capillary Hemangioma
Cavernous Hemangioma Hemangiopericytoma | Lacrimal Sac | Lacrimal Gland Tumors
Lacrimal Gland Tumors References Lymphangioma | Lymphoma | Neurofibroma |
Pseudotumor | Schwannomas | Sphenoid Wing Meningioma |

Orbital Tumors - Hemangiopericytoma

    General | Imaging | Pathology | Surgery

    General

    • uncommon, 30-60 year old
    • conjunctival prolapse, hyperemia of cul de sac conjuctiva
    • may restrict motility
    wpe12.jpg (45031 bytes)

    Imaging

    • well defined with contrast CT

    Pathology

    • encapsulated, hypervascular and hypercellular

    Surgery

    • looks blue at surgery
    • must be completely excised because it  can recur and be malignant
    • benign-appearing lesions may become cancerous, recur and metastasize, while histologically "malignant" lesions may remain localized