Orbital Structural Disorders
Figure 27.1 A, Coronal CT scan showing a mucocele of the left ethmoid and maxillary sinus. B, Coronal CT scan of the same patient at a more anterior level. Note the…
Orbital Trauma
Figure 34.1 A, Orbital anatomy showing bones of the orbit. B, Medial wall of the orbit showing ethmoidal foramina. C, Orbit floor anatomy showing location of infraorbital nerve and inferior oblique…
Imaging Modalities
Figure 5.1 A frontal radiograph in the Caldwell projection (A) and a coned down image of the left orbit (B) demonstrate a small radiopaque metallic foreign body that projects over the…
Benign and Premalignant Tumors of the Eyelid
Figure 22.1 Squamous papilloma. A, Clinically, the lesion appears as a flesh-colored papule on the left upper eyelid margin of this patient. B, Histologic section demonstrates proliferation of stratified squamous epithelium…
Eyelid and Lacrimal Trauma
Figure 35.1 Eyelid anatomy. Cross-sectional view of the upper eyelid. (With permission from Jonathan J. Dutton.) Epidemiology The United States Eye Injury Registry reports that 61% of eyelid/lacrimal trauma has coexisting globe…
Metastatic and Secondary Orbital Tumors
Figure 21.1 Infiltrative breast carcinoma. A, A 72-year-old woman with widespread metastatic breast carcinoma presents with failing vision, bilateral ptosis, grossly restricted eye movements, and hard, woody infiltrative lesions palpable in…
Developmental Disorders of the Lacrimal Drainage System
Figure 9.1 Lacrimal outflow embryology. A, At 5.5 weeks of gestational age, invagination of the surface ectodermal (shown as a red line) begins to occur between the maxillary and lateral nasal…
Vascular Fistulae and Orbital Implications
Figure 26.1 Normal venous anatomy of the orbit and relation to the cavernous sinus. (Redrawn with permission from Steinkuller PG, Jones DB. Microbial preseptal and orbital cellulitis. In: Duane’s Ophthalmology. New York:…
Fat, Fibrous, Muscle, and Other Mesenchymal Tumors of the Orbit
Figure 19.1 Orbital lipoma. A, Clinical picture. B, Orbital lipoma computed tomography coronal view. C, Orbital lipoma MRI coronal view. D, Histology shows significant variation in cell size, unlike normal adipose…
Orbital Bone Tumors
Figure 16.1 Cholesterol granuloma. A, A 41-year-old man complained of gradual onset fullness above left eye with downward displacement of the eye. B, Very little forward displacement of the globe was…
