1. Miguel A. Materin

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    1. Mentioned In 12 Articles

    2. Microvascular Features of Treated Retinoblastoma Tumors in Children Assessed Using OCTA

      Microvascular Features of Treated Retinoblastoma Tumors in Children Assessed Using OCTA
      BACKGROUND AND OBJECTIVE: To describe the microvascular features of treated, clinically regressed, or reactivated retinoblastoma lesions using an investigational portable optical coherence tomography angiography (OCTA) system. PATIENTS AND METHODS: Single-center, prospective, cross-sectional, consecutive case-series of children with previously treated retinoblastoma who underwent portable OCTA of posterior retinoblastoma lesions. RESULTS: Eight tumors from seven eyes of five children with retinoblastoma were included. Tumors with types 1 (calcified remnant, n = 3), 2 ...
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    3. Hyperreflective Vitreous Opacities on Optical Coherence Tomography in a Patient With Bilateral Retinoblastoma

      Hyperreflective Vitreous Opacities on Optical Coherence Tomography in a Patient With Bilateral Retinoblastoma
      An investigational, portable spectral-domain optical coherence tomography (SD-OCT) unit revealed small hyperreflective opacities in both eyes of a patient with bilateral retinoblastoma. There was no evidence of vitreous seeding on ophthalmoscopy of either eye. Although the opacities may initially raise concern for potential vitreous seeding, this report suggests alternate potential etiologies for such opacities, which were also seen on imaging of a cohort of normal eyes in pediatric patients.
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    4. Imaging infant retinal vasculature with optical coherence tomography angiography

      Imaging infant retinal vasculature with optical coherence tomography angiography
      Study of infant retinal vascular development has been limited to histopathological reports. We report herein depth-resolved visualization of full-term infant parafoveal microvasculature and their similarity to that of young children using a portable optical coherence tomography angiography system.
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    5. Optical Coherence Tomography Of Optic Disk Melanocytoma In 15 Cases.

      Optic disk melanocytoma showed a nodular configuration with sloping margins by optical coherence tomography. In all 15 cases, the tumor displayed a thin hyperreflective anterior surface and dense shadowing, giving the appearance of an optically empty mass.Page: 441DOI: 10.1097/IAE.0b013e31815e9853Authors: SHIELDS, CAROL L. MD; PEREZ, BENJAMIN MD; BENAVIDES, RAQUEL MD; MATERIN, MIGUEL A. MD; SHIELDS, JERRY A. MD
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    6. Early Macular Morphological Changes Following Plaque Radiotherapy For Uveal Melanoma.

      Optical coherence tomography (OCT) evidence of radiation-induced macular edema can be found as early as 4 months following plaque radiotherapy of uveal melanoma. OCT changes are apparent before clinical signs of classical radiation maculopathy and before substantial visual deterioration occurs. The development of macular edema is significantly associated with larger initial tumor size.Page: 263DOI: 10.1097/IAE.0b013e31814b1b75Authors: HORGAN, NOEL MD; SHIELDS, CAROL L. MD; MASHAYEKHI, ARMAN MD; TEIXEIRA ...
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    7. Autofluorescence Of Orange Pigment Overlying Small Choroidal Melanoma.

      Orange pigment overlying small choroidal melanoma shows bright hyperautofluorescence, contrasting with isoautofluorescence of the underlying tumor.Page: 1107DOI: 10.1097/IAE.0b013e31814934efAuthors: SHIELDS, CAROL L. MD; BIANCIOTTO, CARLOS MD; PIRONDINI, CESARE MD; MATERIN, MIGUEL A. MD; HARMON, SARAH A. BS; SHIELDS, JERRY A. MD
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  2. About Miguel A. Materin

    Miguel A. Materin is at the Ocular Oncology Service, Wills Eye Institute, Thomas Jefferson University