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…
OPHTHALMOLOGY
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…
Thyroid Eye Disease
Figure 12.1 Mild case of thyroid eye disease with primarily fat expansion on CT scan (A) manifesting clinically with upper lid retraction and proptosis (B). (Courtesy of Peter Dolman, Vancouver, Canada.) Figure…
Eyelid Developmental Disorders
Figure 8.1 Eyelid formation. Diagrammatic representation of eyelid formation in the seventh week of gestation. (From Katowitz JA, ed. Pediatric oculoplastic surgery. New York, NY: Springer; 2002.) Table 8.1 Stages of Eyelid…
Basic Concepts in Neoplasia
Figure 14.1 A, Undifferentiated sarcoma displaying marked nuclear pleomorphism with multinucleate tumor cells and cells with bizarre nuclei (H&E, ×400). B, True capsule (asterisk) in a schwannoma (H&E, ×40). C, Pleomorphic…
Neurotoxins and Their Applications
Figure 33.1 Patient from the first published report of the efficacy of botulinum neurotoxin for the treatment of glabellar rhytides before and after injection. A, Resting appearance before onabotulinum treatment. B,…
Lacrimal Outflow Tract Tumors
Figure 20.1 Patient with a left-sided malignant lacrimal sac mass located below the medial canthal tendon. A triad of clinical findings described for LOS malignancies includes a palpable mass above the…
Laboratory Serologic Investigations
Normal CrC is dependent on patient age and, to a lesser degree, on gender (women have a lower CrC compared with men because of a lower overall body muscle mass)….
