The following medical news items are relevant to diagnosis and misdiagnosis issues for Retinitis Pigmentosa:
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A detailed family history may imply predisposition to retinitis pigmentosa. In the patient whose history suggests this condition, the following tests help confirm diagnosis.
❑ Electroretinography shows a slower than normal or absent retinal response time.
❑ Fluorescein angiography visualizes white dots (areas of dyspigmentation) in the epithelium.
❑ Ophthalmoscopy may initially show normal fundi but later shows black pigmentary disturbance and white dots (dyspigmentation) in the epithelium.
❑ Visual field testing (using a tangent screen) detects ring scotomata.
Source: Professional Guide to Diseases (Eighth Edition), 2005
❑ Hypertension
❑ Diabetic retinopathy
❑ Glaucoma
❑ Cholesterol emboli
❑ Papilledema
❑ Pigmented crescent
❑ Macular degeneration
❑ Retinal detachment
❑ Acute optic neuritis
❑ Optic atrophy
❑ Retinal hemorrhage
❑ Chorioretinal exudates
❑ Lipemia retinalis
❑ Central retinal artery occlusion
❑ Central retinal vein occlusion
❑ Angioid streaks
❑ Hyperviscosity
Source: Field Guide to Bedside Diagnosis, 2007
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