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Persistent hyperplastic primary vitreous in a family with osteoporosis-pseudoglioma syndrome
E Steichen-Gersdorf1, I Gassner, K Unsinn
1Department of Pediatrics, University of Innsbruck, Austria.
Insights
This study investigated early eye abnormalities in osteoporosis-pseudoglioma syndrome, revealing persistent hyperplastic primary vitreous and calcified masses. Findings suggest the disease gene may encode a bone and eye matrix protein.
Area of Science:
- Ophthalmology
- Genetics
- Pediatrics
Background:
- Osteoporosis-pseudoglioma syndrome is a rare genetic disorder characterized by severe premature osteoporosis and early-onset blindness due to bilateral eye abnormalities.
- Understanding the early ocular manifestations is crucial for timely diagnosis and management.
Observation:
- Investigated a family with osteoporosis-pseudoglioma syndrome.
- Utilized color Doppler imaging to examine a 4-month-old girl.
- Observed persistent hyperplastic primary vitreous in both eyes of the infant.
Findings:
- The infant presented with persistent hyperplastic primary vitreous (PHPV) in both eyes.
- Her brother exhibited a partially calcified, undefined intraocular mass.
- These findings support the hypothesis that the disease gene encodes a matrix protein present in bone and ocular tissues.
Implications:
- Early ocular abnormalities in this syndrome include PHPV and intraocular masses.
- Genetic linkage studies may identify the specific matrix protein involved.
- Further research can elucidate the role of this protein in bone and eye development and disease pathogenesis.
Abstract:
We had the opportunity to investigate the early abnormalities of the eyes in a family with osteoporosis-pseudoglioma syndrome. This syndrome combines severe premature osteoporosis with a bilateral eye disorder, leading to early onset blindness. Using colour doppler imaging in the 4-month-old girl from this affected family we demonstrated persistent hyperplastic primary vitreous in both eyes. Her brother's eyes had developed a partially calcified undefined mass. Our observation supports the hypothesis, that the disease gene may encode a matrix protein expressed in bone and eye.