Retinal Oncology Feature Story
نویسنده
چکیده
SEPTEMBER 2009 I RETINA TODAY I 65 M asquerade is most often used in ophthalmology in reference to tumors that mimic intraocular inflammation. In this context, a masquerade is not always the result of a tumor, it can also be due to a degenerative process such as retinitis pigmentosa, siderosis, infection, or drugs. In the current context we will refer to intraocular tumors that are mistaken for other entities. Tumors can be mistaken for inflammatory processes the natural evolution of a long-standing ocular degeneration, or they can simulate a retinal process. The incidence of malignant masquerade has been cited as comprising 2% of cases in a uveitis referral practice (as high as 8% in practices with mostly elderly patients).1 Although this figure is probably higher than what is seen in most practices, it should be considered in all cases where there is poor response to therapy, when the inflammatory process has atypical features, or when a picture compatible and more typical of a masquerade is present.
منابع مشابه
Ocular Oncology Feature Story
MAY/JUNE 2010 I RETINA TODAY I 63 V on Hippel-Lindau (VHL) disease is an autosomal dominantly inherited multisystem cancer syndrome with a predilection for the central nervous system (CNS) and the retina. Retinal capillary hemangioma is one of the most common and often the earliest manifestations of VHL disease1 and, therefore, ophthalmologists are frequently involved in the care of patients wi...
متن کاملEvaluation of Retinal Optic Disc Segmentation in Patients with Glaucoma and Comparison with Other Methods of Medical Image Processing
Introduction: Glaucoma is the most common cause of blindness in some countries. In the meantime, the field of retinal image processing has been proposed in order to provide automatic systems for disease diagnosis. Among the methods of medical image processing, image segmentation is a process of identification and change in the display of an image. The objective of this study was to use t...
متن کاملEvaluation of Retinal Optic Disc Segmentation in Patients with Glaucoma and Comparison with Other Methods of Medical Image Processing
Introduction: Glaucoma is the most common cause of blindness in some countries. In the meantime, the field of retinal image processing has been proposed in order to provide automatic systems for disease diagnosis. Among the methods of medical image processing, image segmentation is a process of identification and change in the display of an image. The objective of this study was to use t...
متن کاملHereditary Retinal Diseases
INTRODUCTION The spectrum of hereditary retinal disease in the dog is well defi ned and closely related to the intensive breeding patterns which are used in some breeds. Many retinopathies are often detected as the result of routine screening in the absence of dramatic clinical features or noticeable disturbance of sight for, while our clients may notice the painful or discoloured eye, few reco...
متن کامل