Ento Key

Fig. 4.1 Suture needles used in ophthalmic plastic surgery. (a) Structural zones of a surgical needle. (b) Various types of needle points. (c) Schematic cross section of each needle point….

Fig. 9.1 Infection and tumor spread. (a) Axial view: routes of infection and tumor spread from the paranasal sinuses to the orbit, brain, and cavernous sinus. (b) Coronal view: route…

Fig. 29.1 A supernumerary duct with associated absence of punctum and canaliculus Supernumerary Duct Repair (Figs. 29.2 and 29.3) 1. With a lacrimal cannula , irrigate a small amount of…

Fig. 26.1 Anatomy of lacrimal outflow system . Canaliculi are approximately 10 mm in length. A 2-mm vertical portion widens from punctum into an ampulla where it joints the horizontal…

Fig. 16.1 (a) IHC. Schematic showing immunohistochemistry (IHC) methods. Antigen on the left is coupled with a fluorescently labeled primary antibody, which emits a signal when stimulated with light; antigen…

Fig. 12.1 External photograph showing bluish scleral coloration typical for ocular melanocytosis Ocular melanocytosis is a congenital lesion often visible in the first few weeks of life as irregular areas…

Fig. 13.1 Orbital rhabdomyosarcoma. Coronal T2-weighted with fat suppression (a) and axial post-contrast T1-weighted (b) and axial ADC map (c) images through the orbit showing an enhancing right orbital mass…

Fig. 1.1 From chromosome to protein As mentioned earlier, the expression of a gene in an organism is called a phenotype . If one copy of the gene is required…

Fig. 18.1 This patient had an initial ptosis repair at 5 months of age with a frontalis suspension procedure on the left upper eyelid. (a) Preoperative and (b) postoperative appearance of…

Fig. 24.1 Basal cell carcinoma . A 17-year-old female with a lateral canthal basal cell carcinoma Histopathologic confirmation of a suspicious lesion can be challenging in the pediatric age group….