Strahlentherapie bei juvenilem Xanthogranulom der Iris

Abstract
Nevoxanthoendotheliomas (and juvenile xanthogranulomas) are very rare benign skin diseases which occur in infants. An ocular manifestation, mainly in the iris, has been found in approximately. 10% of the cases, The clinical picture is characterized by a recurrent unilateral hemorrhage of the anterior chamber, which is the reason for seeing an ophthalmologist. The clinical diagnosis of juvenile xanthogranuloma is based on the characteristic iris changes - heterochromia, circumscribed vascularized tumor, or diffuse thickening of the iris. Sometimes elevated intraocular pressure is also found. In combination with a mild local steroid, radiotherapy with 300 to 400 cGy should be started immediately in order to prevent a sometimes uncontrollable secondary glaucoma. The good results achieved in 5 of the authors' own cases underline the value of low-dose radiotherapy in this disease: the affected eye was healed in all 5 cases.

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