ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2016
A pilot study to compartmentalize small melanocytic choroidal tumors and choroidal vessels with speckle-noise free 1050 nm swept source optical coherence tomography (OCT choroidal "tumoropsy").
Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 8 citations in OpenAlex.
- Feasibility of Automated Segmentation of Pigmented Choroidal Lesions in OCT Data With Deep Learning.Translational vision science & technology · 2022Article
- What's in a Name? Large Choroidal Nevus, Small Choroidal Melanoma, or Indeterminate Melanocytic Tumor.Ocular oncology and pathology · 2021Article
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeThe purpose was to illustrate small melanocytic choroidal tumors with speckle-noise free swept-source optical coherence tomography (SSOCT).
methodsTwenty-five small melanocytic choroidal tumors in 24 eyes underwent 1050 nm OCT. All tumors were measured manually with the built-in caliper tool and compared to data derived from a semiautomated algorithm that removed speckle noise but preserved the structure of the tumors from the SSOCT data.
resultsThe average manual measurements for the horizontal, vertical, and axial diameters were 1535.28 μm (range, 547-2807 μm), 1713.8 μm (range, 574-3921 μm), and 227.28 μm (range, 115-489 μm), respectively. The measured average volumes of the tumors were 835,248,212 μm(3) (range, 48,818,700 to 4,567,401,810 μm(3)) and 228,588,535 μm(3) (range, 22,879,641 to 787,668,886 μm(3)) for caliper measurements, respectively, for the extracted volumes. The average volume variation between the two methods was 66.16 % (range, 46.5 % to 82.75 %). The average ratio between the caliper and extracted volumes was 3.402 (range, 1.346-8.198, SD 1.681), 2.367 (range, 1.346-3.258, SD 0.618), 2.321 (range, 1.346-3.258, SD 0.611), 2.402 (range, 1.518-3.258, SD 0.591), and 1.749 (range, 1.518-1.733, SD 0.239) for all tumors, all tumors with the exclusion of extreme parameters, tumor <3 mm, tumor <2 mm, and tumor <1 mm, respectively. The average ratio (tumor index) between the tumor volume and the choroidal vessel volume was 12.539 (range, 0.489-73.701).
conclusionSpeckle-noise free swept-source OCT may be an illustrative OCT imaging technology. OCT may be useful for describing and monitoring small melanocytic choroidal tumors and the choroidal vessels.
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