MRI Findings in Post-Operative Bilateral Posterior Ischemic Optic Neuropathy
نویسندگان
چکیده
منابع مشابه
MRI findings in Post-operative Bilateral Posterior Ischemic Optic Neuropathy.
A 62-year-old female complained of vision loss following multiple abdominal surgeries for mesenteric ischemia. The patient’s visual acuity was no light perception (NLP) in the right eye and hand motion (HM) at 1’ in the left eye. Both pupils were unreactive and no relative afferent pupillary defect was noted. Anterior segment and fundus examination were unremarkable. T1 and T2 weighted MRI imag...
متن کاملposterior ischemic optic neuropathy following percutaneous nephrolithotomy
purpose: to report a case of posterior ischemic optic neuropathy (pion) following percutaneous nephrolithotomy (pcnl). patient and findings: a 57-year-old male who underwent pcnl because of renal stone was referred due to painless bilateral visual loss to the level of light perception immediately after the operation. the patient had history of diabetes mellitus, hyperlipidemia, and mild anemia....
متن کاملAcute Posterior Ischemic Optic Neuropathy Mimicking Posterior Cerebral Artery Stroke Visualized by 3-Tesla MRI
Acute ischemic lesions of the posterior optic nerve and optic tract can produce a variety of visual field defects. A 71-year-old woman presented with acute hemianopia, which led to rt-PA thrombolysis for suspected posterior cerebral artery ischemia. 3-Tesla cMRI, however, revealed the cause to be an acute posterior ischemic optic neuropathy. Cases like this may be more common than thought and q...
متن کاملBilateral anterior ischemic optic neuropathy after bilateral neck dissection
PURPOSE The risk of visual loss after nonocular surgeries is very low, between 0.2% and 4.5%. According to the American Society of Anesthesiologists, ischemic optic neuropathy has been reported mostly after spinal surgery (54.2%), followed by cardiac surgery and radical neck dissection (13.3%). It may occur in association with some conditions that include systemic hypotension, acute blood loss ...
متن کاملBilateral Posterior Ischemic Optic Neuropathy in a Patient with Severe Diabetic Ketoacidosis
PURPOSE To report a case of bilateral posterior ischemic optic neuropathy (PION) in a patient with severe diabetic ketoacidosis (DKA). DESIGN Observational case report. PARTICIPANT A 35-year-old male who suffered bilateral visual loss during a severe episode of DKA. METHODS Neuro-ophthalmological examination, neuroimaging consisting of a CT scan and MRI of the brain and orbits, as well as...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Open Journal of Ophthalmology
سال: 2013
ISSN: 2165-7408,2165-7416
DOI: 10.4236/ojoph.2013.33013