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Goede, J. (author), Hack, W.W.M. (author), van der Voort-Doedens, L.M. (author), Pierik, F.H. (author), Looijenga, L.H.J. (author), Sijstermans, K. (author), TNO Kwaliteit van Leven (author)Purpose: We assessed the prevalence of testicular microlithiasis by ultrasound in boys and young men with congenital or acquired undescended (ascending) testis. Materials and Methods: During followup for testicular growth patients with congenital or acquired undescended (ascending) testis were also screened by ultrasound for testicular...article 2010
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Pierik, F.H. (author), Goede, J. (author), Hack, W.W.M. (author), van der Voort-Doedens, L.M. (author), Sijstermans, K. (author), TNO Bouw en Ondergrond (author)Purpose: We assessed the prevalence of testicular microlithiasis via ultrasound in asymptomatic males 0 to 19 years old. Materials and Methods: We studied only patients with 2 scrotal testes at birth and at examination. We excluded boys with a history of undescended testis, hydrocele, varicocele and syndromes associated with testicular...article 2009
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- Hack, W.M. (author), Goede, J. (author), Pierik, F.H. (author), Sijstermans, K. (author), TNO Bouw en Ondergrond (author) article 2008
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Hack, W.W.M. (author), Sijstermans, K. (author), van der Voort-Doedens, L.M. (author), Meijer, R.W. (author), Heij, H.A. (author), Delemarre-van der Waal, H.A. (author), Pierik, F.H. (author), TNO Kwaliteit van Leven (author)Niet-scrotale testis (NST) is een van de meest voorkomende urogenitale aandoeningen bij jongens. Men spreekt van NST indien de testikel niet in een stabiele ligging in het scrotum kan worden gebracht. Tegenwoordig worden aangeboren en verworven vormen van NST onderscheiden. De aangeboren NST is vanaf de geboorte nooit ingedaald geweest, terwijl...article 2008
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Hack, W.W.M. (author), Sijstermans, K. (author), van der Voort-Doedens, L.M. (author), Meijer, R.W. (author), Heij, H.A. (author), Delemarre-van de Waal, H.A. (author), Pierik, F.H. (author), TNO Kwaliteit van Leven (author)Undescended testis (UDT) is one of the most common urogenital abnormalities in boys. UDT is defined as a testis which cannot be brought into a stable scrotal position. At present, congenital and acquired forms of UDT are recognised. Congenital UDT is defined as a UDT which has never descended from birth. Acquired UDT is defined as a UDT which...article 2008
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TNO Kwaliteit van Leven (author), Goede, J. (author), Hack, W.W.M. (author), Sijstermans, K. (author), Pierik, F.H. (author)Pseudoxantoma elasticum (PXE) is a rare chromosomal disorder that results in mineralization of elastic fibers, especially in the skin, eye, and cardiovascular system. Recently, PXE has been associated with testicular microlithiasis (TM),1 which itself might be associated with testicular malignancy.2 Here we report on a 9-year-old boy with PXE...article 2008
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Hack, W.W.M. (author), Voort van der-Doedens, L.M. (author), Sijstermans, K. (author), Meijer, R.W. (author), Pierik, F.H. (author), TNO Kwaliteit van Leven (author)Background: Since the mid-1990s, acquired undescended testis has gradually been recognised as a separate entity for which the efficacy of prepubertal surgery has not been univocally been demonstrated. Therefore, in our hospital, orchidopexy was no longer routinely performed for acquired undescended testis. Aim: To investigate the effect of...article 2007