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Book Review: Book Review: Crítica Literaria |
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Mark J Mannis Pan Am J Ophthalmol 2013, 12:26 (1 January 2013) |
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A Message of Good Wishes: Message from the Chairman of the Board, PAOF |
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William De La Peña Pan Am J Ophthalmol 2013, 12:25 (1 January 2013) |
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Case Report: A rare presentation and challenging reconstruction of an extensive cystic orbital schwannoma |
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Son T Ho, Vikram Premkumar, Enrique Palacios, Alejandra A Valenzuela Pan Am J Ophthalmol 2013, 12:23 (1 January 2013)
A 57 year-old woman presented an irritated right eye and right-sided enophthalmos with hypoglobus for the past year. The patient previously had an extensive right-sided cystic orbital schwannoma removed with orbital reconstruction 5 years ago. Imaging revealed an enlarged right orbit with medial wall collapse and inferior displacement of a floor plate implant. An anterior orbitotomy with placement of an enophthalmos implant, three 1 mm Medpor sheets, an orbital rim implant, and an oral mucosa graft in inferior fornix with a lateral strip were used to reconstruct the ocular malposition and right lower lid retraction. We report a successful case of a complex orbital reconstruction in a patient with orbital deformity subsequent the removal of a massive cystic schwannoma.
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Case Report: Unique finding of a fetal Rhabdomyoma in the lacrimal gland |
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Alyssa E Sidoff, Son T Ho, Laura E Bratton, Alejandra A Valenzuela Pan Am J Ophthalmol 2013, 12:21 (1 January 2013)
Fetal rhabdomyoma is a rare neoplasm composed of immature striated muscle cells that resemble rhabdomesenchymal cells during weeks 6-10 of embryogenesis. This tumor, though well-described in many anatomic locations, is most commonly found in the head and neck region. We report a case which highlights the difficulty in diagnosing a fetal rhabdomyoma in the lacrimal gland of a 56 year old woman. This case report gives an overview of this rare neoplasm, detailing the presentation, diagnosis, and management.
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Case Report: Retinal phototoxicity after macular hole surgery induced by xenon light: a case series |
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Miriam García-Fernández, Joaquín Castro Navarro, Antonio Bajo Fuente Pan Am J Ophthalmol 2013, 12:17 (1 January 2013)
Retinal phototoxicity caused by light from endoilluminator used in vitrectomy has been described in the scientific literature. Xenon light can be one of the most harmful sources of radiation to the retina if adequate filters are not used as that radiation is near ultraviolet spectrum.
We present herein a case series of patients who developed retinal phototoxicity induced by xenon light, after macular hole surgery.
Macular phototoxic damage with foveal involvement remains a factual danger during vitrectomy using Xenon light as endoilluminator with inadequate filters.
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Clinical Article: Inhibición combinada del Factor de Necrosis Tumoral (TNF) y Factor de Crecimiento Vascular Endotelial para el tratamiento del edema macular de variadas etiologías: un estudio piloto a corto plazo  |
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J Fernando Arevalo, Martin A Serrano, Lihteh Wu Pan Am J Ophthalmol 2013, 12:11 (1 January 2013)
Purpose: To report the 6-month anatomic and Early Treatment Diabetic Retinopathy Study (ETDRS) best-corrected visual acuity (BCVA) response after the combination of intravitreal adalimumab (Humira) and bevacizumab (Avastin) in patients with macular edema of various etiologies.
Methods: Retrospective interventional case series. We reviewed the clinical records of 5 consecutive patients (7 eyes) with macular edema of various etiologies including pseudophakic macular edema, diabetic papillophlebitis, central retinal vein occlusion, branch retinal vein occlusion, and exudative age-related macular degeneration. All patients were treated with at least one intravitreal injection of 1.25 mg/0.05 mL of bevacizumab and 2 mg/0.08 mL of adalimumab. Results: The mean number of combined bevacizumab and adalimumab injections per eye was 2.14 (range: 1 to 4 injections) at 6 months. The baseline BCVA improved from 1.19 ± 0.6 logarithm of the minimum angle of resolution (logMAR) to 0.94 ± 0.59 logMAR at 6 months (P < 0.05). Four (57.1%) of seven eyes gained ≥ 3 ETDRS lines of BCVA. Central macular thickness (CMT) at baseline by optical coherence tomography (OCT) had a mean of 416 ± 150 µm which was reduced to a mean of 354 ± 205 µm at 6 months (P < 0.05). There were no ocular or systemic complications.
Conclusions: Combined intravitreal bevacizumab at doses of 1.25 mg and adalimumab at doses of 2.0 mg seems to provide stability or improvement in BCVA, OCT, and fluorescein angiography in macular edema of various etiologies with no systemic complications at 6 months of follow up.
Resumen
Objetivo: Reportar la respuesta anatómica y de agudeza visual mejor corregida (AVMC) posterior a la combinación del adalimumab intravítreo (Humira) y bevacizumab (Avastin) en pacientes con edema macular de variadas etiologías.
Métodos: Serie retrospectiva intervencional de casos. Se revisaron los registros médicos de cinco pacientes consecutivos (siete ojos) con edema macular de variadas etiologías, incluyendo edema macular pseudofáquico, papiloflebitis diabética, oclusión de la vena central de la retina, oclusión de rama venosa retiniana, y degeneración macular relacionada con la edad. Todos los pacientes fueron tratados con al menos una inyección intravítrea de 1,25 mg/0,05 mL de bevacizumab y 2 mg/0,08 mL de adalimumab. A los pacientes se les cuantificó su AVMC por cartilla del Estudio del Tratamiento Temprano de la Retinopatía Diabética (EDTRS), examen oftalmológico, tomografía de coherencia óptica (TCO) y angiografía fluoresceínica (AGF) al inicio, y a las visitas en el primer, tercer y sexto mes. Los resultados se basaron en las modificaciones de la AVMC y la TCO.
Resultados: La edad media de los pacientes fue de 71,5 ± 9,4 años. La media de inyecciones combinadas de bevacizumab y adalimumab fue de 2,14 por ojo (rango: 1 a 4 inyecciones) a seis meses. La AVMC basal mejoró de 1,19 ± 0,6 logaritmo del mínimo ángulo de resolución (logMAR) a 0,94 ± 0,59 logMAR a sies meses (P < 0,05). Cuatro (57,1%) de los siete ojos ganaron ≥ 3 líneas ETDRS de AVMC. El espesor macular central (EMC) al inicio por TCO tuvo una media de 416 ± 150 µm, el cual se redujo a una media de 354 ± 205 µm a seis meses (P < 0,05). No hubo complicaciones oculares o sistémicas.
Conclusiones: El tratamiento intravítreo combinado de bevacizumab y adalimumab a dosis de 1,25 mg y 2,0 mg respectivamente impresiona proporcionar mejoría o estabilidad en la AVMC, TCO y AGF en edema macular de variadas etiologías sin complicaciones sistémicas a los seis meses de seguimiento. A pesar de las limitaciones por el pequeño tamaño de la muestra, corto seguimiento, y la falta de un grupo control, los resultados sugieren una potencial bioactividad relacionada con los favorables resultados anatómicos y visuales.
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Review: Aplicaciones clínicas de la tomografía de coherencia óptica de alta resolución para el estudio de segmento anterior |
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Dennis E Cortés, Brett L Shapiro, Eric K Chin, John S Werner, Ellen F Redenbo, Mark J Mannis Pan Am J Ophthalmol 2013, 12:5 (1 January 2013)
Anterior segment optical coherence tomography (OCT) is an innovative technique that provides detailed images of internal structures in biological tissues with a noncontact, noninvasive, high resolution exam for evaluation of anterior segment and ocular surface.
This article reviews the fundamentals and clinical applications of OCT, considering relevant information about advantages and limitations, describing its role in the diagnosis, surgical planning and clinical evaluation of patients with a variety of conditions from anterior segment. We included images of clinical cases evaluated at the department of cornea and external diseases at UC Davis Medical Center, using high resolution spectral-domain OCT (Heidelberg Engineering GmbH. Germany) for the study of the anterior segment.
Resumen
La Tomografía de Coherencia Óptica (OCT) del segmento anterior de ojo es una innovadora técnica que provee imagen detallada de la estructura interna de tejidos biológicos con un examen no invasivo, sin contacto y de alta resolución, para la evaluación de segmento anterior y superficie ocular.
Este artículo revisa los fundamentos y aplicaciones clínicas de OCT, considerando información relevante acerca de las ventajas, limitaciones y describiendo su rol en el diagnóstico, planificación quirúrgica y evaluación clínica de pacientes con una variedad de condiciones del segmento anterior. Hemos incluido imágenes de casos clínicos evaluados en el Departamento de córnea y enfermedades externas de UC Davis Medical Center, utilizando OCT Spectralis (Heidelberg Engineering GmbH. Germany), de alta resolución, para el estudio de segmento anterior.
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Message from the President: Message from the President |
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Mark Mannis Pan Am J Ophthalmol 2013, 12:4 (1 January 2013) |
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Editorial: 2013: A promising year |
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Paulo E C. Dantas Pan Am J Ophthalmol 2013, 12:3 (1 January 2013) |
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