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Acute anuria after a family vacation to Corsica/France

Richter, Joachim, Holtfreter, Martha, Mouahid, Gabriel, Moné, Hélène
Parasitology research 2016 v.115 no.4 pp. 1733-1735
Schistosoma haematobium, abdomen, anthelmintics, biopsy, bladder, blood coagulation, drinking, hematuria, histopathology, males, massage, microfiltration, mucosa, ova, pain, patients, rivers, schistosomiasis, ultrasonics, ultrasonography, urine, Corsica, France
A 12-year-old male patient suffered hematuria. Histopathology of a biopsy showed granulomata suspicious for schistosomiasis. The patient had never travelled outside Europe during his entire lifetime. He had taken frequent bathes in various rivers during his last family holidays 5 months earlier in Corsica. Microfiltration of urine revealed viable ova of Schistosoma haematobium with alterated size and shape. Ultrasonography showed a large focal echopoor mass attached to the bladder roof. Four days after antihelminthic therapy, the patient suffered inferior abdominal pain and acute anuria. Ultrasound revealed an approximately 5-cm mass in the bladder lumen suspicious for a large blood clot. After taking non-invasive measures such as drinking high amounts of fluid and treating the lower abdomen with a warm water bag and massage, the clot was excreted with urine and symptoms subsided. The further course was uneventful until 11 months later when hematuria recurred. This time, parasitological urine examination confirmed non-viable schistosome ova. Hematuria was likely due to erosion of the bladder mucosa by calcified non-viable ova.