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A sonographically demonstrated vermicular structure in the region of the gall bladder was suspected to be an ascaris, which is to find in the biliary system occasionally. However under cholecystectomy there was not to detect a worm, only a stone in the cystic duct. In accordance to anamnesis we think it being the caudal part of a ventriculo-peritoneal drain implanted for hydrocephalus therapy.

A worm-conglomerate in cases of ascariasis may cause an intestinal obstruction. The worms can be demonstrated as irregular oblong shadows or nodular thickenings. Level formation in the intestine must not be found because of filling intestinal loops with worms.

Four serologically-proved cases of intraocular toxocara infections are demonstrated. Three different manifestations in the following way were found: 1. Solitary granuloma on the posterior pole (2 patients). 2. Anterior and posterior uveitis of both eyes with granuloma near the ora (1 patient). 3. Iridocyclitis of both eyes (1 patient). The fluorescein angiography examination in two cases with solitary granuloma have been repeated over a period of time and the relation of the satisfactory results to the further development of the disease is shown.