PubMed · 13726490
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P P ELLIS. 1960. Tonography.. https://pubmed.ncbi.nlm.nih.gov/13726490/
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The clinical features of necrobiotic xanthogranuloma (NX) have been presented in a series of case reports, but there are hardly any reports on the clinical long-term course of this rare and usually chronic entity. Therapeutic recommendations are mostly based on individual observations, lacking general therapeutic guidelines. To illustrate a typical chronic and progressive course of NX, we report the case of a 64-year-old woman with periorbital NX, ocular involvement and IgG paraproteinemia. Diagnosed with NX for the first time in 1993, the patient was already presented in this journal in 1995. Since then a series of therapeutic options including medication with dapsone, chlorambucil, interferon-alpha, clofazimine, melphalan, fumaric acid esters, surgical treatment and other physical therapies such as radiation, plasmapheresis, and photodynamic therapy have been applied. None of these therapeutic approaches, however, showed a satisfying long-term effect. At present the patient is undergoing cyclophosphamide-dexamethasone pulse therapy.
We report a case of bilateral persistent hyperplastic primary vitreous (PHPV) in a 5-month-old infant who presented with bilateral leukokoria. The child was referred for ocular ultrasound with a clinical suspicion of retinoblastoma. Grey-scale evaluation revealed an echogenic band in the posterior segment of the left globe extending from the posterior surface of the lens capsule to the optic disc. Doppler examination revealed the presence of blood flow in the band. Ultrasound assessment of the contralateral globe showed an elevated mass of echogenic tissue in the posterior segment, in contact with the optic disc. Most cases of PHPV are sporadic and unilateral. Bilateral PHPV is rare. In a study by Pollard of 83 cases, only two patients (2.4%) had bilateral PHPV. The imaging features in this case point toward the diagnosis of bilateral PHPV. We suggest that this entity, although rare, should be considered in the differential diagnosis while evaluating bilateral leukokoria.
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