By Vishali Gupta, Amod Gupta, Mangat Ram Dogra
The emergence of Optical Coherence Tomography (OCT) in recent times has revolutionized the best way we see the retina. offering, in genuine time, high-resolution cross-sectional photos of the macula which are similar to acquiring in vivo histopathological specimens, OCT represents a huge strengthen within the diagnostics of retinal illness. the buzz of operating with this new instrument has been dampened via the non-availability of any commonplace textbook at the topic and intended that each new discovering at the OCT observed us speeding to the library virtually each day to find any released reviews at the topic. until eventually now.
Containing approximately 900 scans of either basic and diseased appearances, such a lot in complete colour, Atlas of Optical Coherence Tomography of Macular ailments covers tips to use Stratus OCT for diagnosing a variety of macular problems, opting for right healing techniques and tracking the responses to remedies and interventions. The authors offer short case summaries, fundus photos, fluorescein angiography, and the OCT photographs and the persist with up pictures. They speak about OCT functions for prognosis, administration, and follow-up in diabetic macular edema, macular gap, taut posterior hyaloid membrane, vitreofoveal traction, idiopathic significant serous chorioretinoplasty, submacular pathology, and extra.
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Extra resources for Atlas of Optical Coherence Tomography of Macular Diseases
1999 127:688–93. e. The hyperfluorescent dot increases in the late phase with diffusion of the dye. Smockstack sign: In less than 10% of the cases, the dye streams upward to form umbrella pattern of fluorescein staining. This fluid was seen to get absorbed in 4–8 weeks leaving no residual changes behind. The PED was very slow to regress and in few patients it was persistent even after a year following the initial episode. All these features can be accurately depicted on OCT that helps not only in making early diagnosis and management but also in prognosticating the outcome in these patients.
Optical Coherence Tomography Horizontal OCT scan through foveal center in the right eye (C) showed the presence of hyporeflective area under the fovea suggestive of serous fluid accumulation measuring 270 microns in height with PED corresponding to the hyperreflective spot nasal to the fovea on fluorescein angiography. The PED persisted at 6 months followup, though the height was reduced to 120 microns (G). Based on clinical picture and fluorescein angiography (H, I), a diagnosis of ICSC with fibrinous exudation was established.
The PED persisted at 6 months followup, though the height was reduced to 120 microns (G). Based on clinical picture and fluorescein angiography (H, I), a diagnosis of ICSC with fibrinous exudation was established. Optical Coherence Tomography OCT scan at 45 degrees showed the presence of serous retinal detachment with a hyperreflective area in the center corresponding clinically to fibrinous exudation (J). The fibrin had partially resolved (K) and repeat fluorescein angiography (L) showed few areas of hyperfluorescence.