hemi-central retinal vein occlusion in a premature infant: a case report

Background: this study reports the case of an infant patient with organized vitreous hemorrhage (vh) due to hemi-central retinal vein occlusion (hemi-crvo) secondary to thrombocytosis. case report: a twenty-seven-day-old female infant with the gestational age of 30 weeks and 2040 grams weight at the time of birth and the history of a twenty-five-day admission in a neonatal intensive care unit (nicu) due to idiopathic hydrops was referred to the retinopathy of prematurity (rop) clinic of the khatam-al-anbia eye hospital, for usual rop screening. we found an organized vh in her left eye; so, we vitrectomized her eye. with the diagnosis of hemi-crvo due to thrombocytosis, she is under observation. conclusion: in this report, thrombocytosis showed to be a cause of hemi-crvo; and the patient’s laboratory test review is important in such cases.