New reference charts for testicular volume in Dutch children and adolescents allow the calculation of standard deviation scores

Aim Accurate calculations of testicular volume standard deviation (SD) scores are not currently available. We constructed LMS-smoothed age-reference charts for testicular volume in healthy boys. Methods The LMS method was used to calculate reference data, based on testicular volumes from ultrasonography and Prader orchidometer of 769 healthy...

Prevalence of testicular microlithiasis in males aged 0 to 18 years referred for scrotal sonography

Background: Testicular microlithiasis (TM) is a relatively uncommon and usually asymptomatic condition that is characterized by multiple 1-3 mm nonshadowing echogenic foci within the parenchyma of the testis. Objectives: The prevalence of testicular microlithiasis was assessed retrospectively in males ranging from 0-18 years who had been...

Testicular microlithiasis in two boys with a chromosomal abnormality

A nine and 13-year-old boy, previously diagnosed with 18q syndrome and an 11q deletion, respectively were diagnosed with testicular microlithiasis (TM). Both cases demonstrate that TM occurs in patients with various chromosomal abnormalities.

Testicular microlithiasis in boys and young men with congenital or acquired undescended (ascending) testis

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...

Prevalence of testicular microliathesis in asymptomatic males 0 to 19 years old

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...

De niet-scrotale testis: huidige inzichten en advies voor behandeling (Undescended testis: current view and advice for treatment)

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...

De niet-scrotale testis: huidige standpunten van de Werkgroep Kinderurologie van de Nederlandse Vereniging voor Urologie [Undescended testis: Current views and advice for treatment]

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...

Testiculaire microlithiasis bij jongens [Testicular microlithiasis in boys]

In three boys aged 15, 9, and 10 years respectively scrotal ultrasound revealed testicular microlithiasis (TM). Two boys were free of symptoms and one suffered from testicular pain. TM is characterized by multiple echogenic foci within the seminiferous tubules with no acoustic shadowing. The pathophysiology is largely unknown. In adult men, TM...

Testicular microlithiasis in a 2-year-old boy with pseudoxanthoma elasticum

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...

Reduction in the number of orchidopexies for cryptorchidism after recognition of acquired undescended testis and implementation of expectative policy

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...

De verworven niet-scrotale testis bij jongens: Een onderschat fenomeen [Acquired undescended testis in boys]

Objective. To differentiate undescended testis into a congenital and an acquired form using earlier information on testis position. Design. Descriptive. Setting. Paediatric outpatients' clinic, Medical Centre Alkmaar, the Netherlands. Method. In a 3-year period (1991-1994), 77 boys were referred to the paediatric outpatients' clinic for non...