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. 2019 Jul 15;5(2):E65–E74. doi: 10.1055/a-0918-3678

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This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 2 — 60-year-old patient from Guatemala, Latin America with recurrent scrotal swelling with thickness of the pure scrotum without testis of > 40 mm a and b , the swelling is indicated between markers) on both sides b . A hydrocele was operated on a few years ago. Treatment with mebendazole has been reported during that time. The “filarial dance sign” could be seen on real-time ultrasound below the testis. The testes showed increased stiffness using elastography c and little contrast enhancement on contrast-enhanced ultrasound d , indicating chronic orchitis. MRI images (T2, koronar) are also shown e , f .