By Debra J. Shetlar, Patricia Chevez-Barrios, Sander Dubovy, Robert H. Rosa, Jr, Nasreen Syed, Matthew W. Wilson, Ron W. Pelton, Jacob Pe'er
Discusses advances within the analysis and class of tumors because it courses the reader via a logical, tissue-specific series that levels from topography via sickness method to normal and differential prognosis. Many new colour pathologic and scientific images and diagrams spotlight this most recent revision. Covers wound fix; specimen dealing with, together with processing and marking; and diagnostic options. additionally features a record for soliciting for ophthalmic pathologic session.
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Extra info for Basic and Clinical Science Course, 2008-2009, Section 4: Ophthalmic Pathology and Intraocular Tumors
Courtesv of Patricia CMvez-Barrios. J cells is sequentially illuminated by a light source (usually argon laser) for approximately 10-6 second (Fig 4-4, b). As the excited fluorochrome returns to its resting energy level, a specific wavelength of light is emitted (Fig 4-4, c) that is sorted by wavelength stream (Fig 4-4, d) and received by a photodetector (Fig 4-4, e). This signal is then converted to electronic impulses, which are in turn analyzed by computer software. The results may be imaged by a multicolored dot-plot histogram (Fig 4-5).
Techniques for the rapid processing of special surgical pathology material are generally reserved for biopsy specimens that require emergent handling. Because the quality of histologic preparation after rapid processing is usually inferior to that of standard processed tissue, it should not be requested routinely. Surgeons should communicate directly with their pathologists about the availability and shortcomings of these techniques. lm. A tissue adhesive is sometimes used to secure the thin paraffin section to a glass slide.
Courtesy of Hans E. Grossniklaus. ) affect the timing of vitreoretinal surgery. The timing of the drainage of a ciliochoroidal hemorrhage is based on lysis of the blood clot (10-14 days). Hemosiderin forms at approximately 72 hours after hemorrhage. Sequelae of intraocular hemorrhage include siderosis bulbi, cholesterosis, and hemoglobin spherulosis. Choroidal rupture may occur after direct or indirect injury to the globe. This results in granulation tissue proliferation and scar formation. Choroidal neovascularization may occur in an area of a choroidal rupture.