OPHTHALMOLOGICAL MANIFESTATIONS OF GRONBLAD-STRANDBERG SYNDROME (CLINICAL OBSERVATION)
DOI:
https://doi.org/10.52340/jecm.2024.02.10Keywords:
Gronblad, Strandberg, Pseudoxanthoma elasticumAbstract
Pseudoxanthoma Elasticus (Grönblad-Strandberg syndrome) is a hereditary disease that affects the elastic fibers of the skin, the cardiovascular system and the retina of the eyes. In the early stages, skin manifestations have the appearance of papules with a distinct yellowish tint, the size of a millet grain, with a tendency to merge, usually on the inner bends of the elbows and the sides of the neck. The affected skin is thickened, loose and easily folded. “Sagging” skin progresses and causes premature aging. Sometimes papules are found in the inguinal folds, popliteal areas, on the mucous membranes of the mouth, vagina and rectum. On the part of the organ of vision, changes occur in stages. The early stages are characterized by the appearance of angioid stripes of the retina, which appear as a result of calcification of the elastic fibers of the capillaries. The progression of the process leads to neovascularization and hemorrhages from the choriocapillaris, the formation of SNM, which, when localized in the foveolar region, causes decreased vision. The later stages are characterized by rough cicatricial changes. Due to calcification of elastic fibers of blood vessels, patients need to avoid injuries (especially to the head and/or eyes), limit the use of NSAIDs and anticoagulants (the risk of hemorrhages in the retina, brain and gastrointestinal bleeding is increased).
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