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Fig. 4.1 Young adult with left eyelid swelling . Axial (a) and coronal (b) noncontrast CT scan demonstrating soft tissue of the left preseptal region and left medial canthus Orbital…

Fig. 12.1 Hematoxylin- and eosin-stained sinus mucosal tissue at 40x magnification taken from a patient with rhino-orbital-cerebral mucormycosis (ROCM) demonstrating multiple irregularly sized nonseptate hyphae branching at 90° and wider…

Fig. 15.1 Types of endophthalmitis categorized by route of infection Routes of Infection Exogenous Endophthalmitis Postoperative Postoperative endophthalmitis can be classified into two broad categories: acute-onset (<6 weeks after surgery)…

Fig. 13.1 Orbital cellulitis in a cancer patient after a sinus surgery. A 69-year-old woman presented to our service with swelling, decreased visual acuity, and pain in the right eye….

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…