Ento Key

Fig. 16.1 Patient with a history of penetrating keratoplasty presents with vitritis and conjunctival injection consistent with endophthalmitis There has been a long-standing controversy concerning which procedure is best in…

Fig. 8.1 CT scan showing a large left medial subperiosteal abscess with apical optic nerve compression requiring emergent drainage Decision for Drainage The decision to perform surgery on a SPA…

Fig. 11.1 Axial CT scan of patient with posterior intraorbital foreign body. Patient presented with no-light-perception vision in the affected eye BB pellets average 4.5 mm in diameter, weigh approximately…

Fig. 2.1 Coronal MRI scan of the orbits showing orbital cellulitis on the right side associated with a retained wood fragment foreign body sustained after patient was struck with a…

Fig. 5.1 Normal enlargement of the frontal and maxillary sinus cavities with increasing age (1–12 = age in years; A adult, N neonate) An anaerobic environment can compromise oxidative transport-dependent…

Fig. 1.1 Orbital cellulitis on the right side presenting with significant upper and lower eyelid edema (Image courtesy of Michael T. Yen, M.D.) The classification of orbital cellulitis can be…

Fig. 7.1 (a) Figure demonstrating normal sinus anatomy. (b) Figure demonstrating concha bullosa and large infraorbital ethmoid cell causing obstruction of the ostiomeatal complex Environmental irritants, such as allergens and…

Fig. 6.1 (a) T1-weighted coronal MRI scan showing a large superior orbital abscess (arrow) on the left side associated with sinusitis. (b) T2-weighted coronal MRI scan showing obstruction of the…