European journal of ophthalmology · 2023
Enlarging aneurysm with paracentral acute middle maculopathy in idiopathic retinal vasculitis, aneurysms and neuroretinitis (IRVAN) - a case report.
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Govindaraj Indu, Kuriakose Anju, Rajendran Anand
Аннотация
INTRODUCTION: Idiopathic retinal vasculitis, aneurysms, and neuroretinitis (IRVAN) syndrome is a rare clinical entity affecting young healthy individuals. Treatment primarily involves pan retinal photocoagulation (PRP) to capillary non perfusion areas. Intravitreal anti-VEGF or steroids are given in the presence of macula edema. Oral steroids do not alter the course of the disease. Arterial occlusions have been reported in IRVAN.
METHODS: Retrospective case review.
RESULT: A twenty seven year old male presented to us with mild blurring of vision for one week. His BCVA was OU 20/20. Anterior segment examination was normal. Fundus examination showed bilateral disc aneurysm with OS arterial aneurysm along the inferior arcade. Fundhus fluorescein angiography and OCT angiography were confirmatory of the disc and retinal aneurysm. Capillary non perfusion (CNP) areas were noted in the periphery. Two days later he presented with paracentral scotoma in his left eye which was confirmed by Amsler chart. Fundus, OCT and OCTA were confirmatory of Paracentral Acute Middle Maculopathy (PAMM). The retinal aneurysm had increased in size from 333 micron diameter to 566 micron diameter. Panretinal photocoagulation to the CNP areas was done and intravitreal antiVEGF was given. At 6 months follow up, retinal aneurysm had disappeared.
DISCUSSION: Our case describes a unique event with sudden increase in size of the aneurysm leading to acute blockage in the deep capillary plexus thus being the first report of PAMM in IRVAN. The patient was treated with PRP and intravitreal anti-VEGF for the enlarging aneurysm which reduced in size within a week.
METHODS: Retrospective case review.
RESULT: A twenty seven year old male presented to us with mild blurring of vision for one week. His BCVA was OU 20/20. Anterior segment examination was normal. Fundus examination showed bilateral disc aneurysm with OS arterial aneurysm along the inferior arcade. Fundhus fluorescein angiography and OCT angiography were confirmatory of the disc and retinal aneurysm. Capillary non perfusion (CNP) areas were noted in the periphery. Two days later he presented with paracentral scotoma in his left eye which was confirmed by Amsler chart. Fundus, OCT and OCTA were confirmatory of Paracentral Acute Middle Maculopathy (PAMM). The retinal aneurysm had increased in size from 333 micron diameter to 566 micron diameter. Panretinal photocoagulation to the CNP areas was done and intravitreal antiVEGF was given. At 6 months follow up, retinal aneurysm had disappeared.
DISCUSSION: Our case describes a unique event with sudden increase in size of the aneurysm leading to acute blockage in the deep capillary plexus thus being the first report of PAMM in IRVAN. The patient was treated with PRP and intravitreal anti-VEGF for the enlarging aneurysm which reduced in size within a week.