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Am J Case Rep. 2020 Apr 06;21:e921301
Authors: Dirar QS, Musalem HM, Al-Hazzaa SAF, Al Zoba AA, Almalki AA
Abstract
BACKGROUND Xeroderma pigmentosum (XP) is an autosomal recessive disease caused by mutations in DNA repair genes. Clinical manifestations include extreme sensitivity to ultraviolet (UV) rays, freckle-like pigmentation, ocular abnormalities, and an increased risk of developing neoplasms in sun-exposed areas of the skin, mucous membranes, and eyes. This paper describes the clinical outcome of pegylated interferon alpha 2b (PEG-IFN-alpha-2b) subconjunctival injections and topical mitomycin C (MMC) in the treatment of ocular surface squamous neoplasia (OSSN) in patients with XP. CASE REPORT A series of 3 patients with histopathologically-proven biopsy specimens of XP-associated neoplasia of the eyelids and ocular surface underwent subconjunctival injections of PEG-IFN-alpha-2 band topical cycles of MMC. There was a noticeable decrease in the size and severity of ocular surface squamous neoplasia, with minimal adverse effects of flu-like symptoms with mild fever and generalized malaise. Transient mental depression was reported in 2 of our patients, and only 1 patient developed autoimmune diabetes mellitus, which required insulin therapy after the discontinuation of the PEG-IFN-alpha-2b. CONCLUSIONS The literature on the specifics of ocular care using PEG-IFN-alpha-2b for XP-associated OSSN is sparse. However, according to our clinical experience, the combination of PEG-IFN-alpha-2b subconjunctival injection and the topical cycles of MMC is a promising long-term medical therapy to minimize the development and recurrence of OSSN in XP patients.
PMID: 32251268 [PubMed - as supplied by publisher]
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