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An incision of conjunctival granuloma effectively improved peripheral ulcerative keratitis in a patient with granulomatosis with polyangiitis Saaya Fukase 1 , Nobuyuki Ebihara 1 1Department of Ophthalmology, Juntendo University Urayasu Hospital pp.904-911
Published Date 2021/7/15
DOI https://doi.org/10.11477/mf.1410214041

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Abstract Purpose:Granulomatosis with polyangiitis(GPA)is a systemic inflammatory disease which is characterized with the formation of granuloma and vasculitis of small or middle vessels. Fifty percent of GPA patients are suffered from ocular manifestations and 10 percent of them are peripheral ulcerative keratitis(PUK). The treatment of GPA is reported that a systemic administration of cyclophosphamide and/or rituximab and/or steroid pulse therapy are effective, but only local administration of eye drops is not. In this manuscript, we report on the case that PUK is well improved after the incision of granuloma in the limbal conjunctiva and investigate the mechanism of PUK by pathohistology of granuloma.

Case:83 years female. She has been diagnosed in GPA and treated with methylprednisolone. She visited our hospital with chief complaints of redness, pain, visual disturbance of both eyes. Slit lamp examination revealed PUK in upper peripheral cornea and scleritis in right eye, and PUK in the same region and granuloma in limbal conjunctiva of left eye. She is hospitalized and received the treatment with more intensive systemic immunosuppression therapy and the incision of granuloma in the conjunctiva. After these therapy PUK was improved. Pathohistological examination showed many matrix metalloproteinase-9(MMP-9)positive neutrophils infiltrated the granuloma.

Conclusion:The basic therapy of PUK with GPA is systemic immunosuppression. The mechanism of corneal melting in PUK may depend on the infiltration of inflammatory cells expressing proteolytic enzymes such as MMP-9. Therefore, the incision of granuloma in the conjunctiva of GPA may be an effective treatment of PUK.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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