نتایج جستجو برای: transpupillary thermotherapy
تعداد نتایج: 825 فیلتر نتایج به سال:
Purpose To report a patient who presented with a very late-onset new growth of intraocular retinoblastoma, which occurred 11 years after the initial combined treatment. Observations A 12-year-old monoophthalmic female patient presented with bilateral familial retinoblastoma showing new growth of intraocular tumor after 11 years of complete regression following combined local and systemic trea...
Retinoblastoma is the most common primary intraocular malignancy of infancy and childhood with an incidence of 1 in every 20,000 live births.1 During the 20th century, retinoblastoma was uniformly fatal. Early diagnosis and recent advances in the management of retinoblastoma particularly the use of chemo-therapy have improved the prognosis of this fatal disease. Although this neoplasm has one o...
PURPOSE To investigate the induction of heat shock protein (Hsp)70 in the optic nerve head by localized laser application in transpupillary thermotherapy (TTT). METHODS TTT was performed on the right eye of Norwegian brown rats with an 810-nm diode laser installed on a slit lamp biomicroscope. The laser was aimed at the center of the optic nerve head with a 50-microm spot size. Various exposu...
BACKGROUND External beam radiotherapy (EBRT) for retinoblastoma has traditionally been done with conventional radiotherapy techniques which resulted high doses to the surrounding normal tissues. CASE REPORT A 20 month-old girl with group D bilateral retinoblastoma underwent intensity modulated radiotherapy (IMRT) to both eyes after failing chemoreduction and focal therapies including cryother...
Circumscribed choroidal hemangioma is an uncommon, benign vascular tumor manifesting as an orange-red mass in the posterior pole of the eye. Serous retinal detachment accounts for decreased vision in most patients. Diagnosis of this tumor is challenging with many patients initially misdiagnosed with choroidal melanoma or metastasis. Several ancillary tests such as ultrasonography, fluorescein a...
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