Fig. 1.1 Normal images of orbit. (a) Posteroanterior, (b) lateral 1.1.2 Normal X-ray Presentations on Dacryocystography Dacryocystography is used to explore the shape, size, and obstruction (including the severity and…
Fig. 8.1 Cavernous hemangioma in right orbit. (a) Axial T1WI MR shows oval homogeneous low intensity in right intraconal space; (b) axial T2WI MR reveals homogeneous hyperintense signal; (c) axial…
Fig. 7.1 Postoperative change of artificial lens implantation. (a) Axial T2-weighted MR image shows the normal lens of right side is absent with a small isointense strip found in the…
Fig. 5.1 Lymphoma in the right orbit. (a) Axial unenhanced CT with a soft tissue algorithm shows an irregular soft tissue mass in the upper quadrant of the right orbit…
Lesions containing lipid Dermoid/epidermoid cysts, lipomas, liposarcomas Lesions containing mucusa Dermoid/epidermoid cysts, mucoceles Subacute blood Hematic cysts, subperiosteal hematomas, blood cysts within lymphangiomas Lesions containing melanin Melanoma aHyperintensity increases as…
Iliff and Green [290] n = 174 Crawford [291] n = 572 Shields et al. [292] n = 250 Rootman [293] n = 241 Kodsi [294] n = 340 Katowitz [295] n = 243 Cystic lesions Dermoid 52 6 115 27…
Fig. 22.1 Eyelid anatomy in cross section. (a) Non-Asian eyelid with the orbital septum (blue) inserting on the levator aponeurosis (green). Müller’s muscle (red) originates from the levator muscle but…
Fig. 21.1 Schematic representation of eyelid formation in the 7th week of gestation Fig. 21.2 Representation of the five main facial processes The development of the eyelid occurs in 5…
Fig. 37.1 Surgical orbital spaces After a lesion is identified, characterized, and localized, a careful definition of the surgical goals must be considered. In general, interventions are either diagnostic or…
Fig. 40.1 Preparation for transcranial orbital osteotomy . (a) The coronal incision to the upper face involves a stair-step incision preceded by blocking suture placement to minimize blood loss. The…
