[Subretinal granuloma, retinal vasculitis and keratouveitis with secondary open-angle glaucoma in schistosomiasis].
BACKGROUND
More than 250 million people in Africa and Asia currently suffer from schistosomiasis, however, ocular manifestations of this disease are rare in Germany. PATIENT AND FOLLOW-UP: We present the case of a 32-year-old patient from Gambia who had been resident in Germany for 3 years and suffered from a painful persistent diarrhoea, fever and a reduction of visual acuity (R > L). On admission, the patient reported a schistosomiasis in 1994, which was diagnosed by a skin test and was not adequately treated because of the side-effects of praziquantel. Vision was OD-0.75 sph 0.8, OS sc 1.0, IOD OD 31, OS 18 mmHg. Biomicroscopy: R > L fatty retrocorneal precipitates, especially in the lower circumference (ARLT), large inflammatory cells and Tyndall ++, vitreous with large inflammatory cells, Fundus: OD at 11 o'clock large subretinal granuloma in the periphery. Serum lysozyme was elevated (22.2 mg/l, normal range 10-17 mg/l), a syphilis stage II-III (TPHA 1:5000, VDRL neg.) and an IgG-antibody titre for Schistosoma mansoni of > 30 micrograms/ml was detected by enzyme immunoassay. In the faeces and urine no schistosoma eggs were found. Before the specific treatment for schistosomiasis could be initiated, the patient left the hospital because of reduced ocular pain due to the corticosteroids and fear of the side-effects of the treatment.


CONCLUSIONS
In patients who present a subretinal granuloma and report a painful persistent diarrhoea, schistosomiasis, which is one of the most frequent tropical diseases should be considered, even if they have been living in central Europe for several years. Although the disease cannot become established due to the lack of specific hosts in this area, a curative treatment should be enforced in order to prevent late manifestations of chronic inflammatory organ manifestations.
Bialasiewicz
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AA
Augenklinik mit Poliklinik, Universitäts-Krankenhauses Eppendorf, Martinistrasse 52, 20251 Hamburg. bialasie@uke.uni-hamburg.de
Hassenstein
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A
Schaudig
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U
D000328:Adult; D000818:Animals; D000909:Antibodies, Helminth / Q000032:analysis; D003937:Diagnosis, Differential; D005128:Eye Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D005902:Glaucoma, Open-Angle / Q000175:diagnosis / Q000209:etiology; D006099:Granuloma / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D007124:Immunoenzyme Techniques; D007074:Immunoglobulin G / Q000032:analysis; D007634:Keratitis / Q000175:diagnosis / Q000209:etiology; D008297:Male; D012164:Retinal Diseases / Q000175:diagnosis / Q000209:etiology; D012171:Retinal Vessels; D012550:Schistosoma mansoni / Q000276:immunology; D012555:Schistosomiasis mansoni / Q000150:complications* / Q000175:diagnosis; D014463:Ultrasonography; D014605:Uveitis / Q000175:diagnosis / Q000209:etiology
D000909:Antibodies, Helminth; D007074:Immunoglobulin G