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Grande-Moreillo C, Fuentes-Carretero S, Margarit-Mallol J, Pérez-López C, Rodríguez-Molinero A. Alterations in testicular positioning after normal descent: acquired cryptorchidism. Andrology 2024; 12:1119-1124. [PMID: 37985433 DOI: 10.1111/andr.13557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 10/13/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND Acquired cryptorchidism or acquired undescended testis (UDT) is defined as the displacement of a testicle outside the scrotal sac after normal descent has been verified. There are still no clear guidelines on its management. OBJECTIVES To analyze patients who underwent surgery for UDT in our setting to determine the prevalence of acquired cryptorchidism and to analyze the demographic and clinical characteristics of the population of children diagnosed with both acquired and congenital cryptorchidism, the age of presentation of both entities and the percentage of bilateral involvement. MATERIALS AND METHODS This was a retrospective descriptive study using data from the clinical history of patients who underwent surgery for cryptorchidism between 2011 and 2022. The type of cryptorchidism, acquired or congenital, was recorded. Demographic and clinical data were collected. RESULTS A total of 367 patients and 442 testicular units were included in the study (75 patients had bilateral involvement). In 54.75% (95% CI: 50.09%-59.40%) of the cases analyzed, cryptorchidism was acquired, and the mean age at the time of surgery was 7.39 years (SD 2.95). Twenty percent (95% CI: 16.29%-24.58%) of the patients presented with bilateral cryptorchidism and 64% (95% CI: 52.88%-75.11%) out of them were acquired on both sides. The diagnosis was metachronous in 42.6% (95% CI: 31.21%-54.12%) of bilateral cryptorchidism cases. DISCUSSION AND CONCLUSION Acquired cryptorchidism accounts for more than half of cryptorchidism cases requiring surgery in our setting, with a clearly different age of presentation than that for congenital cryptorchidism. Therefore, it is necessary to monitor the presence of the testes in the scrotal sac until adolescence. It is also important to monitor patients with a history of cryptorchidism, not only for the management of the operated testicle but also for the early identification of patients who will develop metachronous contralateral cryptorchidism.
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Affiliation(s)
- Carme Grande-Moreillo
- Pediatric Surgery Unit, Consorci Sanitari Alt Penedès i Garraf, Barcelona, Spain
- Pediatric Surgery Department Hospital, Universitari Mútua Terrassa, Terrassa, Spain
| | | | | | - Carlos Pérez-López
- Research Area, Consorci Sanitari Alt Penedès i Garraf, Sant Pere de Ribes, Barcelona, Spain
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Rodprasert W, Virtanen HE, Toppari J. Cryptorchidism and puberty. Front Endocrinol (Lausanne) 2024; 15:1347435. [PMID: 38532895 PMCID: PMC10963523 DOI: 10.3389/fendo.2024.1347435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/15/2024] [Indexed: 03/28/2024] Open
Abstract
Cryptorchidism is the condition in which one or both testes have not descended adequately into the scrotum. The congenital form of cryptorchidism is one of the most prevalent urogenital anomalies in male newborns. In the acquired form of cryptorchidism, the testis that was previously descended normally is no longer located in the scrotum. Cryptorchidism is associated with an increased risk of infertility and testicular germ cell tumors. However, data on pubertal progression are less well-established because of the limited number of studies. Here, we aim to review the currently available data on pubertal development in boys with a history of non-syndromic cryptorchidism-both congenital and acquired cryptorchidism. The review is focused on the timing of puberty, physical changes, testicular growth, and endocrine development during puberty. The available evidence demonstrated that the timing of the onset of puberty in boys with a history of congenital cryptorchidism does not differ from that of non-cryptorchid boys. Hypothalamic-pituitary-gonadal hormone measurements showed an impaired function or fewer Sertoli cells and/or germ cells among boys with a history of cryptorchidism, particularly with a history of bilateral cryptorchidism treated with orchiopexy. Leydig cell function is generally not affected in boys with a history of cryptorchidism. Data on pubertal development among boys with acquired cryptorchidism are lacking; therefore, more research is needed to investigate pubertal progression among such boys.
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Affiliation(s)
- Wiwat Rodprasert
- Research Centre for Integrative Physiology and Pharmacology and Centre for Population Health Research, Institute of Biomedicine, University of Turku, Turku, Finland
| | - Helena E. Virtanen
- Research Centre for Integrative Physiology and Pharmacology and Centre for Population Health Research, Institute of Biomedicine, University of Turku, Turku, Finland
| | - Jorma Toppari
- Research Centre for Integrative Physiology and Pharmacology and Centre for Population Health Research, Institute of Biomedicine, University of Turku, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
- Department of Growth and Reproduction, Copenhagen University Hospital—Rigshospitalet, Copenhagen, Denmark
- Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Copenhagen University Hospital—Rigshospitalet, Copenhagen, Denmark
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3
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Pakkasjärvi N, Taskinen S. Surgical treatment of cryptorchidism: current insights and future directions. Front Endocrinol (Lausanne) 2024; 15:1327957. [PMID: 38495791 PMCID: PMC10940471 DOI: 10.3389/fendo.2024.1327957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/16/2024] [Indexed: 03/19/2024] Open
Abstract
Cryptorchidism presents with an incidence of 1-5% with potential long-term implications on future fertility and overall health. This review focuses on surgical treatment modalities, their impact on testicular development, and function while addressing the Nordic consensus statement as well as current European Association of Urology (EAU) and American Urological Association (AUA) guidelines. Congenital and acquired cryptorchidism present distinctive challenges in surgical management, with different implications for fertility. While congenital cryptorchidism entails a risk to fertility and warrants early intervention, both retractile testes and acquired cryptorchidism also pose risks to fertility potential, underscoring the importance of evaluating treatment options. Testicular location and the child's age form the basis of a practical classification system for undescended testicles. Early diagnosis by clinical examination enables timely treatment. Imaging is reserved for selected cases only. Following guidelines, orchidopexy is recommended between 6-12 months of age for congenital cryptorchidism. Evidence increasingly suggests the benefits of early surgery for promoting testicular health and fertility potential. Current surgical options range from open to laparoscopic techniques, with the choice largely determined by the location and accessibility of the undescended testicle. The advancement in laparoscopic approaches for non-palpable testes underscores the evolving landscape of surgical treatment. Sequential surgeries may be required depending on the mobility of the undescended testes. More research is needed to explore both the potential and limitations of hormonal therapy, which is secondary to surgical treatment and can selectively have a role as adjunct to surgery. Long-term follow-up is imperative to evaluate fertility outcomes, risk of testicular malignancy, and psychological impact. By integrating current guidelines with the latest evidence, this review intends to facilitate a comprehensive understanding of cryptorchidism, thereby optimizing patient management and outcomes.
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Affiliation(s)
- Niklas Pakkasjärvi
- New Children’s Hospital, Department of Pediatric Surgery, Section of Pediatric Urology, Helsinki University Hospital, Helsinki, Finland
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Japan's comprehensive undescended testis screening program: incidence of ascending testis after screening. Pediatr Surg Int 2022; 39:35. [PMID: 36469123 DOI: 10.1007/s00383-022-05331-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE Screening for undescended testis (UDT) in Japan is performed as a neonate, then at 1, 3, 10, and 18 months old, and 3 years old. Incidence of ascending testis (AT) after screening was reviewed. METHODS All orchiopexy/orchiectomy at a single institute between July 2005 and June 2022 were reviewed retrospectively. RESULTS 376 boys had 422 procedures; 54/422 (12.8%) were in 48 boys ≥ 4 years old (mean age: 6.7 years; range: 4-13); testes were normal (n = 22; 40.7%), small (n = 25; 46.2%), or atrophied (n = 7; 1.3%). There were 47 orchiopexies and 7 orchiectomies for atrophy. Incidence of AT in boys ≥ 4 years old was 24/422 (5.7%). Of these, 16/422 (3.8%) developed after normal descent and 8/422 (1.9%) were associated with retractile testis (AT + RET). Other indications included delayed treatment for UDT (n = 13), late referral by pediatricians (n = 10), and iatrogenic UDT (n = 6). Surgical intervention in boys ≥ 4 years old (12.8%) was less than that reported in the West (range: 30-50%) as was AT: (5.7% versus 15.4%) and AT + RET (1.9% versus 13.8%). CONCLUSIONS Comprehensive UDT screening probably contributed to the lower incidence of surgery and AT (especially AT + RET) in boys ≥ 4 years old.
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Abstract
Cryptorchidism, i.e., undescended testis, is one of the most common genital malformations in newborn male babies. The birth rate of cryptorchidism varies from 1.6 to 9.0 %. Etiology of disrupted testicular descent is complex and predisposing causes include genetic, hormonal, environmental, lifestyle and maternal factors. Testicular descent occurs in two major steps and testicular hormones and normal function of hypothalamic-pituitary-testicular axis are important for normal descent. Several gene mutations are associated with syndromic cryptorchidism but they are rarely found in boys with isolated undescended testis. Testicular regression can also cause an empty scrotum. Normal male genital phenotype indicates that the boy has had functioning testis during development. Torsion of the testis can cause testicular regression but in many cases the reason for vanishing testis remains elusive. In this narrative review we discuss genetics of cryptorchidism and testicular regression.
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Affiliation(s)
- Heidi P Elamo
- Research Centre for Integrative Physiology and Pharmacology, Institute of Biomedicine, University of Turku, 20520 Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland.
| | - Helena E Virtanen
- Research Centre for Integrative Physiology and Pharmacology, Institute of Biomedicine, University of Turku, 20520 Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland.
| | - Jorma Toppari
- Research Centre for Integrative Physiology and Pharmacology, Institute of Biomedicine, University of Turku, 20520 Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland; Department of Pediatrics, Turku University Hospital, Turku, Finland.
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Dinkelbach L, Lehnick D, Shavit S, Szavay P, Zundel S. Acquired undescended testis: When does the ascent occur? J Pediatr Surg 2021; 56:2027-2031. [PMID: 33248683 DOI: 10.1016/j.jpedsurg.2020.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/26/2020] [Accepted: 11/02/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND Little is known about the timeframe in which acquired undescended testes occur. To guide recommendations for screening examinations, we aimed to (1) specify the ratio of acquired undescended testes in orchiopexy cases and to (2) identify a predisposing age for the development of acquired undescended testis. METHODS Three-hundred-forty cases of orchiopexy were retrospectively analyzed and classified as congenital or acquired cases of undescended testis. In acquired cases, the time of the last documented physiological testicular position was obtained. The time of testicular ascent was approximated by calculating the mean between the last physiological finding and orchiopexy. RESULTS In 151 cases (44.4%) prior physiological position of testes was documented and acquired undescended testis was assumed. In 115 of these cases (76.2%) details on the age at last physiological position were available. Ascent occurred between the age of one and fourteen. The 50th, 75th, 85th, 90th and 95th percentile for the estimated age at ascent was 5.8, 7.3, 8.4, 8.7 and 11.1 years, respectively. CONCLUSIONS Acquired undescended testes are a common cause of cryptorchidism. Ascent occurs throughout all prepubertal ages, emphasizing the need to regular follow-up of testicular position until puberty. TYPE OF STUDY Prognosis study. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
- Lars Dinkelbach
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Centre for Child and Adolescent Health, Medical Faculty, Heinrich Heine University, Moorenstraße 5, 40225 Duesseldorf, Germany; Department of Pediatric Surgery, Children's Hospital Lucerne, Switzerland.
| | - Dirk Lehnick
- Clinical Trial Unit Central Switzerland / Department of Health Sciences and Medicine, University of Lucerne, Switzerland
| | - Sandra Shavit
- Department of Pediatric Surgery, Children's Hospital Lucerne, Switzerland
| | - Philipp Szavay
- Department of Pediatric Surgery, Children's Hospital Lucerne, Switzerland
| | - Sabine Zundel
- Department of Pediatric Surgery, Children's Hospital Lucerne, Switzerland
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Buur LE, Laurberg VR, Ernst A, Arendt LH, Nybo Andersen AM, Olsen J, Ramlau-Hansen CH. Oral contraceptive use and genital anomalies in sons. A Danish cohort study. Reprod Toxicol 2019; 89:67-73. [PMID: 31299209 DOI: 10.1016/j.reprotox.2019.07.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 06/30/2019] [Accepted: 07/08/2019] [Indexed: 11/18/2022]
Abstract
Exposure to exogenous sex hormones with estrogenic or anti-androgen properties may influence intrauterine development of male genitals. This population-based cohort study based on data from 44,408 live-born singleton sons in the Danish National Birth Cohort (DNBC) aimed to investigate whether maternal use of oral contraceptives prior to or during early pregnancy increase the risk of cryptorchidism or hypospadias. We found no consistent association between use of oral contraceptives and cryptorchidism or hypospadias, neither in those exposed any time four months prior to conception [cryptorchidism: adjusted Odds Ratio (aOR): 1.06 (95% CI: 0.91; 1.23), hypospadias: 0.74 (95% CI: 0.53; 1.03)] nor in those exposed any time during the first trimester of pregnancy [cryptorchidism: aOR: 0.93 (95% CI: 0.53; 1.62), hypospadias: 1.02 (95% CI: 0.32; 3.23)]. Despite relatively strong exposure levels from oral contraceptive use in pregnancy, this study revealed no evidence of an increased risk of either two genital malformations.
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Affiliation(s)
- L E Buur
- Department of Public Health, Aarhus University, Aarhus, Denmark.
| | - V R Laurberg
- Department of Public Health, Aarhus University, Aarhus, Denmark
| | - A Ernst
- Department of Public Health, Aarhus University, Aarhus, Denmark
| | - L H Arendt
- Department of Public Health, Aarhus University, Aarhus, Denmark
| | - A-M Nybo Andersen
- Department of Public Health, Section of Epidemiology, University of Copenhagen, Copenhagen, Denmark
| | - J Olsen
- Department of Public Health, Aarhus University, Aarhus, Denmark; Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
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Kuiri-Hänninen T, Koskenniemi J, Dunkel L, Toppari J, Sankilampi U. Postnatal Testicular Activity in Healthy Boys and Boys With Cryptorchidism. Front Endocrinol (Lausanne) 2019; 10:489. [PMID: 31396156 PMCID: PMC6663997 DOI: 10.3389/fendo.2019.00489] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 07/04/2019] [Indexed: 01/25/2023] Open
Abstract
Cryptorchidism, or undescended testis, is a well-known risk factor for testicular cancer and impaired semen quality in adulthood, conditions which have their origins in early fetal and postnatal life. In human pregnancy, the interplay of testicular and placental hormones as well as local regulatory factors and control by the hypothalamic-pituitary (HP) axis, lead to testicular descent by term. The normal masculine development may be disrupted by environmental factors or genetic defects and result in undescended testes. Minipuberty refers to the postnatal re-activation of the HP-testicular (T) axis after birth. During the first weeks of life, gonadotropin levels increase, followed by activation and proliferation of testicular Leydig, Sertoli and germ cells. Consequent rise in testosterone levels results in penile growth during the first months of life. Testicular size increases and testicular descent continues until three to five months of age. Insufficient HPT axis activation (e.g., hypogonadotropic hypogonadism) is often associated with undescended testis and therefore minipuberty is considered an important phase in the normal male reproductive development. Minipuberty provides a unique window of opportunity for the early evaluation of HPT axis function during early infancy. For cryptorchid boys, hormonal evaluation during minipuberty may give a hint of the underlying etiology and aid in the evaluation of the later risk of HPT axis dysfunction and impaired fertility. The aim of this review is to summarize the current knowledge of the role of minipuberty in testicular development and descent.
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Affiliation(s)
- Tanja Kuiri-Hänninen
- Department of Pediatrics, Kuopio University Hospital, Kuopio, Finland
- *Correspondence: Tanja Kuiri-Hänninen
| | - Jaakko Koskenniemi
- Research Centre for Integrative Physiology and Pharmacology, Institute of Biomedicine, University of Turku, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Leo Dunkel
- Barts and the London, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Jorma Toppari
- Research Centre for Integrative Physiology and Pharmacology, Institute of Biomedicine, University of Turku, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Ulla Sankilampi
- Department of Pediatrics, Kuopio University Hospital, Kuopio, Finland
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Ellerkamp V, Schmid A, Blumenstock G, Hrivatakis G, Astfalk W, Loff S, Fuchs JJ, Zundel S. Guideline implementation for the treatment of undescended testes: Still room for improvement. J Pediatr Surg 2018; 53:2219-2224. [PMID: 29884555 DOI: 10.1016/j.jpedsurg.2018.05.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 05/07/2018] [Accepted: 05/10/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND Early orchidopexy (OP) around the age of 1 year is recommended in boys with congenital undescended testis (UDT) worldwide since decades. Former retrospectives studies did not distinguish congenital from acquired UDT with a consecutive negative bias concerning the age at surgery. METHODS In a retrospective analysis, data of all boys who underwent OP in eight pediatric surgery institutions from 2009 to 2015 were analyzed. Congenital or acquired UDT were differentiated. Patients were categorized into 3 groups of age at surgery: (1) <12 months, (2) 12-24 months, (3) >24 months. Data of one institution were analyzed in detail: exact age of first referral, exact age at surgery, intraoperative findings. RESULTS Out of 4448 boys, 3270 boys had congenital UDT. In 81% (2656 cases) surgery was performed beyond the age of 1 year, in 54.4% (1780) beyond the age of 2 years. chi-Square statistics showed a higher rate of early operations in hospitals compared to outpatient services and in Germany compared to Switzerland. In 694 congenital detailed cases, median age at referral was 13 months [range 0-196], median age at surgery was 15 months [range 0-202]. CONCLUSION Delayed referral is the main reason for guideline non-conform delayed surgery in UDT. TYPE OF STUDY Clinical Research paper. LEVEL OF EVIDENCE Level III: Treatment Study.
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Affiliation(s)
- Verena Ellerkamp
- University Hospital Tuebingen, Department for Pediatric Surgery and Pediatric Urology, Germany.
| | - Andreas Schmid
- University Hospital Tuebingen, Department for Pediatric Surgery and Pediatric Urology, Germany
| | - Gunnar Blumenstock
- Eberhard Karls University of Tuebingen, Department of Clinical Epidemiology and Applied Biostatistics, Germany
| | - Georg Hrivatakis
- Outpatient Clinic for Pediatric and Adolescent Surgery, Stuttgart, Germany
| | | | - Steffan Loff
- Olga hospital Stuttgart, Pediatric Surgery Clinic, Stuttgart, Germany
| | - Joerg Jörg Fuchs
- University Hospital Tuebingen, Department for Pediatric Surgery and Pediatric Urology, Germany
| | - Sabine Zundel
- Kantonsspital Lucerne, Department of Pediatric Surgery, Lucerne, Switzerland
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Koskenniemi JJ, Virtanen HE, Wohlfahrt-Veje C, Löyttyniemi E, Skakkebaek NE, Juul A, Andersson AM, Main KM, Toppari J. Postnatal Changes in Testicular Position Are Associated With IGF-I and Function of Sertoli and Leydig Cells. J Clin Endocrinol Metab 2018; 103:1429-1437. [PMID: 29408984 DOI: 10.1210/jc.2017-01889] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 01/26/2018] [Indexed: 02/13/2023]
Abstract
CONTEXT Despite clinical guidelines calling for repetitive examination of testicular position during childhood, little is known of normal changes in testicular position during childhood, let alone factors that control it. OBJECTIVE To assess changes in and factors associated with testicular position during childhood. DESIGN Testicular position (the distance from the pubic bone to the upper pole of the testes) at birth, 3 months, 18 months, 36 months, and 7 years and reproductive hormones at 3 months were measured. SETTING Prenatally recruited, prospective longitudinal birth cohort. PARTICIPANTS A total of 2545 boys were recruited prenatally in a Danish-Finnish birth cohort and had a testicular position examination available. A subset of 680 Danish and 362 Finnish boys had serum reproductive hormone concentrations and insulin-like growth factor I (IGF-I) determined at 3 months. MAIN OUTCOME MEASURES Testicular distance to pubic bone (TDP), serum reproductive hormone, and IGF-I concentrations. RESULTS TDP increased from birth to 3 months and decreased thereafter. Length, gestational age, weight for gestational age, and penile length were positively associated with larger TDP and thus lower testicular position in a linear mixed-effect model. Furthermore, IGF-I concentration, inhibin B/follicle-stimulating hormone ratio, and testosterone/luteinizing hormone ratio were all independently and positively associated with longer TDP. CONCLUSIONS We provide longitudinal data on postnatal changes in TDP. TDP is dynamic and associated with Leydig and Sertoli cell function as well as with IGF-I levels during the first months of life at mini-puberty of infancy. TDP may thus be a useful biomarker of postnatal testicular function.
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Affiliation(s)
- Jaakko J Koskenniemi
- Departments of Physiology, Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Helena E Virtanen
- Departments of Physiology, Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
| | - Christine Wohlfahrt-Veje
- Department of Growth and Reproduction and EDMaRC, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | | | - Niels E Skakkebaek
- Department of Growth and Reproduction and EDMaRC, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Anders Juul
- Department of Growth and Reproduction and EDMaRC, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Anna-Maria Andersson
- Department of Growth and Reproduction and EDMaRC, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Katharina M Main
- Department of Growth and Reproduction and EDMaRC, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Jorma Toppari
- Departments of Physiology, Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
- Department of Growth and Reproduction and EDMaRC, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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11
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van Brakel J, de Muinck Keizer-Schrama SMPF, Hazebroek FWJ, Dohle GR, de Jong FH. INSL3 and AMH in patients with previously congenital or acquired undescended testes. J Pediatr Surg 2017; 52:1327-1331. [PMID: 28487028 DOI: 10.1016/j.jpedsurg.2017.03.064] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 03/20/2017] [Accepted: 03/25/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND In previous reports no differences in Leydig and Sertoli cell function were found between congenital undescended testis (CUDT) and acquired UDT (AUDT) on the basis of serum levels of LH, testosterone, FSH or inhibin B. This study tried to detect differences in Leydig and Sertoli cell function between CUDT and AUDT using insulin-like peptide 3 (INSL3) and anti-Müllerian hormone (AMH). METHOD 118 men with a history of UDT (CUDT N=55 (6/55 bilateral), AUDT N=63 (15/63 bilateral)) were investigated. Differences between CUDT and AUDT, influence of age at surgery in CUDT, and effect of spontaneous descent or orchiopexy in AUDT were evaluated. RESULTS For INSL3, no significant differences were found. AMH levels in bilateral CUDT were significantly lower compared with bilateral AUDT (6.4 (1.7-11.4) vs 13.2 (6.1-30.1) μg/l, p=0.02). AMH levels in unilateral CUDT were significantly higher than in bilateral CUDT (12.1 (2.4-43.7) vs. 6.4 (1.7-11.4) μg/l, p=0.02). CONCLUSION No differences in Leydig cell function on the basis of INSL3 levels between the different UDT groups were found. Sertoli cell function evaluated by AMH, was more negatively affected in bilateral CUDT in comparison with bilateral AUDT and unilateral CUDT. LEVEL OF EVIDENCE RATING Level III Treatment Study.
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Affiliation(s)
- Jocelyn van Brakel
- Department of Urology, P.O. Box 2040, 3000 CA, Erasmus MC, Rotterdam, the Netherlands.
| | | | - Frans W J Hazebroek
- Department of Paediatric Surgery, Erasmus MC-Sophia Children's Hospital, P.O. Box 2040, 3000 CA, Rotterdam, the Netherlands.
| | - Gert R Dohle
- Department of Urology, P.O. Box 2040, 3000 CA, Erasmus MC, Rotterdam, the Netherlands.
| | - Frank H de Jong
- Department of Internal Medicine, Section of Endocrinology, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, the Netherlands.
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12
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van Brakel J, Dinkelman-Smit M, de Muinck Keizer-Schrama SMPF, Hazebroek FWJ, Dohle GR. Sperm DNA damage measured by sperm chromatin structure assay in men with a history of undescended testes. Andrology 2017. [PMID: 28637089 DOI: 10.1111/andr.12384] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The aim of this study was to compare sperm DNA damage between men with a history of congenital undescended testis (UDT) and men with a history of acquired UDT. A long-term follow-up study of men with previous UDT was performed. Fifty men with congenital UDT who had undergone orchiopexy at childhood age, 49 men with acquired UDT after a 'wait-and-see'-protocol (e.g. awaiting spontaneous descent until puberty and perform an orchiopexy in case of non-decent), and 22 healthy proven fertile men were included. The DNA fragmentation index (DFI) using sperm chromatin structure assay (SCSA) was used to express the level of sperm DNA damage. Decreased fertility potential was considered if DFI was above 30%. Sperm DNA damage was not statistically different between cases of congenital and acquired UDT. DFI was significantly more often >30% in the complete group of men with congenital UDT (9/50; 18%) and in the subgroup with bilateral congenital UDT (3/7; 43%) in comparison with the controls (none) (p-value 0.049 and 0.01, respectively). Age at orchiopexy in congenital UDT had no statistical effect on DNA damage. In men with acquired UDT, DFI did not statistically differ between those having undergone orchiopexy and those experiencing spontaneous descent. This study supports the hypothesis that UDT is a spectrum representing both congenital UDT and acquired UDT. Sperm DNA damage at adult age is not influenced by age at orchiopexy in congenital UDT cases and by orchiopexy or spontaneous descent in acquired UDT cases.
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Affiliation(s)
| | | | | | - F W J Hazebroek
- Paediatric Surgery, Erasmus MC-Sophia Children's Hospital, Rotterdam, Netherlands
| | - G R Dohle
- Urology, Erasmus MC, Rotterdam, Netherlands
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Anderson KM, Costa SF, Sampaio FJB, Favorito LA. Do retractile testes have anatomical anomalies? Int Braz J Urol 2016; 42:803-9. [PMID: 27564294 PMCID: PMC5006779 DOI: 10.1590/s1677-5538.ibju.2015.0538] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 01/03/2016] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVES To assess the incidence of anatomical anomalies in patients with retractile testis. MATERIALS AND METHODS We studied prospectively 20 patients (28 testes) with truly retractile testis and compared them with 25 human fetuses (50 testes) with testis in scrotal position. We analyzed the relations among the testis, epididymis and patency of the processus vaginalis (PV). To analyze the relations between the testis and epididymis, we used a previous classification according to epididymis attachment to the testis and the presence of epididymis atresia. To analyze the structure of the PV, we considered two situations: obliteration of the PV and patency of the PV. We used the Chi-square test for contingency analysis of the populations under study (p<0.05). RESULTS The fetuses ranged in age from 26 to 35 weeks post-conception (WPC) and the 20 patients with retractile testis ranged in ages from 1 to 12 years (average of 5.8). Of the 50 fetal testes, we observed complete patency of the PV in 2 cases (4%) and epididymal anomalies (EAs) in 1 testis (2%). Of the 28 retractile testes, we observed patency of the PV in 6 cases (21.4%) and EA in 4 (14.28%). When we compared the incidence of EAs and PV patency we observed a significantly higher prevalence of these anomalies in retractile testes (p=0.0116). CONCLUSIONS Retractile testis is not a normal variant with a significant risk of patent processos vaginalis and epididymal anomalies.
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Affiliation(s)
- Kleber M Anderson
- Unidade de Pesquisa Urogenital, Universidade Estadual do Rio de Janeiro, RJ, Brasil
| | - Suelen F Costa
- Unidade de Pesquisa Urogenital, Universidade Estadual do Rio de Janeiro, RJ, Brasil
| | | | - Luciano A Favorito
- Unidade de Pesquisa Urogenital, Universidade Estadual do Rio de Janeiro, RJ, Brasil
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14
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Nistal M, Paniagua R, González-Peramato P, Reyes-Múgica M. Perspectives in Pediatric Pathology, Chapter 14. Natural History of Undescended Testes. Pediatr Dev Pathol 2016; 19:183-201. [PMID: 25105691 DOI: 10.2350/14-05-1483-pb.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Cryptorchidism is one of the most frequent problems encountered in pediatric urology. Its causes, associated lesions, and prognosis in terms of fertility have been a source of interest and discrepancies for pediatric pathologists and urological surgeons.
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Affiliation(s)
- Manuel Nistal
- 1 Department of Pathology, Hospital La Paz, Universidad Autónoma de Madrid, Calle Arzobispo Morcillo No. 2, Madrid 28029, Spain
| | - Ricardo Paniagua
- 2 Department of Cell Biology, Universidad de Alcala, Madrid, Spain
| | - Pilar González-Peramato
- 1 Department of Pathology, Hospital La Paz, Universidad Autónoma de Madrid, Calle Arzobispo Morcillo No. 2, Madrid 28029, Spain
| | - Miguel Reyes-Múgica
- 3 Department of Pathology, Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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15
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Lim LY, Nah SA, Lakshmi NK, Yap TL, Jacobsen AS, Low Y, Ong CCP. Undescended testis: Level of knowledge among potential referring health-care providers. J Paediatr Child Health 2015; 51:1109-14. [PMID: 25939451 DOI: 10.1111/jpc.12911] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/21/2015] [Indexed: 11/27/2022]
Abstract
AIM Studies report that most boys with undescended testis(UDT) are referred and operated beyond the recommended age of 1 year, possibly due to lack of awareness of treatment guidelines. We investigate the level of knowledge of UDT among potential referring health-care providers. METHOD We devised a survey on the clinical features and appropriate management of UDT. Using convenience sampling, we approached health-care professionals with regular contact with paediatric patients and final year medical students. Respondents were allowed to remain anonymous. They were categorised according to specialty and level of experience/training. RESULTS Of 1179 approached, 203 responded. Thirty-six (24%) of 149 qualified doctors had never seen a case of UDT. Median score was 6 (range 1-9). There was no significant difference in scores when comparing specialty. Mean scores decreased significantly in trend according to level of experience. When questioned regarding timings of referral and orchidopexy, 24% of qualified doctors would not refer until 9 months of age, and 66% thought orchidopexy should be done after 1 year old. Half would stop examining for UDT after 2 years old. CONCLUSIONS Inexperience with UDT and outdated knowledge may contribute to delays in referral for UDT. Many would stop examining for UDT at 2 years old, placing undue reliance on accurate physical examination in early childhood and indicating lack of awareness of the ascending testis. Community health initiatives must emphasise recent changes in guidelines for management of UDT.
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Affiliation(s)
- Li Yan Lim
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Shireen A Nah
- Department of Paediatric Surgery, KK Women's & Children's Hospital, Singapore
| | | | - Te-Lu Yap
- Department of Paediatric Surgery, KK Women's & Children's Hospital, Singapore
| | - Anette S Jacobsen
- Department of Paediatric Surgery, KK Women's & Children's Hospital, Singapore
| | - Yee Low
- Department of Paediatric Surgery, KK Women's & Children's Hospital, Singapore
| | - Caroline C P Ong
- Department of Paediatric Surgery, KK Women's & Children's Hospital, Singapore
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16
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Komarowska MD, Hermanowicz A, Debek W. Putting the pieces together: cryptorchidism - do we know everything? J Pediatr Endocrinol Metab 2015. [PMID: 26226123 DOI: 10.1515/jpem-2015-0098] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cryptorchidism is one of the most common birth defects in male children, and it has a potential impact on future health. It is the best-characterized risk factor for reduced fertility and testicular cancer. However, the etiology of cryptorchidism remains largely unknown. In the literature, we find different opinions and theories on this topic. Probably, the etiology is multifactorial, and hormonal, genetic and environmental factors may regulate testicular development and descent from intra-abdominal location into the bottom of the scrotum. The descent of the testis is a complex, two-stage process. A critical role in testicular descent has been attributed to androgens, insulin-like hormone 3 (insl3) and anti-Müllerian hormone. It is believed that interaction between Leydig and Sertoli cells may cause impaired spermatogenesis. Based on recent knowledge of germ cell development, it is believed that the best treatment for undescended testis is orchiopexy between 6th and 12th month of life. Long follow-up studies are needed to focus on the effect of this recommendation.
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17
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van Brakel J, de Muinck Keizer-Schrama SMPF, van Casteren NJ, Hazebroek FW, Dohle GR. Scrotal ultrasound findings in previously congenital and acquired unilateral undescended testes and their contralateral normally descended testis. Andrology 2015. [DOI: 10.1111/andr.12070] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- J. van Brakel
- Department of Urology; Erasmus MC; Rotterdam The Netherlands
| | | | - N. J. van Casteren
- Department of Urology; Ijsselland Hospital, Capelle aan Den IJssel; Rotterdam The Netherlands
| | - F. W. Hazebroek
- Department of Paediatric Surgery; Erasmus MC-Sophia Children's Hospital; Rotterdam The Netherlands
| | - G. R. Dohle
- Department of Urology; Erasmus MC; Rotterdam The Netherlands
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18
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Haire AR, Flavill J, Groom WD, Dhandapani B. Unidentified undescended testes in teenage boys with severe learning disabilities. Arch Dis Child 2015; 100:479-80. [PMID: 25643706 DOI: 10.1136/archdischild-2014-307155] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 01/09/2015] [Indexed: 11/04/2022]
Abstract
Nine boys of secondary school age were referred with undescended testes (UDT) to paediatric surgeons over a period of 8 years. All were referred from the same community paediatric clinic for children with severe learning disabilities. UDT cause concern because of a threefold increase in the incidence of cancer. Cosmesis and reduced fertility were seen as less relevant issues for these boys. The late identification and incidence of UDT are discussed. It is suggested that awareness of this issue should be raised and screening introduced. Advice is needed on the appropriate management of UDT in this group of boys.
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Affiliation(s)
- A R Haire
- Kaleidoscope Children's Resource Centre, London, UK
| | | | - W D Groom
- Kettering General Hospital NHS Trust, Kettering, UK
| | - B Dhandapani
- Kaleidoscope Children's Resource Centre, London, UK
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19
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Nah SA, Yeo CSW, How GY, Allen JC, Lakshmi NK, Yap TL, Jacobsen AS, Low Y, Ong CCP. Undescended testis: 513 patients' characteristics, age at orchidopexy and patterns of referral. Arch Dis Child 2014; 99:401-6. [PMID: 24225274 DOI: 10.1136/archdischild-2013-305225] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE Undescended testis (UDT) affects 1-6% of males. Current recommendations are to correct maldescent by 1 year of age. We identify the population characteristics of children referred and managed for UDT, age at referral and orchidopexy, and patterns of referral. DESIGN, SETTING AND PATIENTS Retrospective 5-year review of all patients operated for UDT from 2007 to 2011 in our institution. Patient demographics, neonatal diagnosis of UDT, age at referral, referral source and age at first orchidopexy were recorded. Data are reported as median (range). RESULTS There were 513 boys with 576 undescended gonads; 450 (88%) had unilateral UDT. Congenital (present at birth) UDT was diagnosed in 287 (56%) children. Seventy-nine (15%) were premature births, 41 (8%) had associated major genitourinary abnormalities. Median age at referral was 1.1 (0-16.2) years; median age at first orchidopexy was 1.6 (0-17.2) years. When corrected for age, those with a history of prematurity and associated major genitourinary malformations were referred and operated on earlier. There was no difference in age at referral and orchidopexy when comparing unilateral versus bilateral maldescent, and palpability of UDT. Of those with congenital UDT, 70% were operated at beyond 1 year of age. Those referred from public tertiary hospitals were younger than those referred from community clinics (p<0.0001) and private healthcare institutions (p=0.003). CONCLUSIONS Despite early diagnosis in many patients with UDT, most are referred and operated after 1 year of age, even in congenital UDT. Premature babies, those with major genitourinary anomalies, and those seen in public tertiary hospitals are referred earlier. Community health initiatives must emphasise prompt referral to allay the impact of delayed surgery.
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Affiliation(s)
- Shireen A Nah
- Department of Paediatric Surgery, KK Women's & Children's Hospital, , Singapore, Singapore
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20
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van Brakel J, Kranse R, de Muinck Keizer-Schrama SMPF, Hendriks AEJ, de Jong FH, Hack WWM, van der Voort-Doedens LM, Bangma CH, Hazebroek FW, Dohle GR. Fertility potential in a cohort of 65 men with previously acquired undescended testes. J Pediatr Surg 2014; 49:599-605. [PMID: 24726121 DOI: 10.1016/j.jpedsurg.2013.09.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 08/19/2013] [Accepted: 09/11/2013] [Indexed: 11/15/2022]
Abstract
PURPOSE To evaluate testicular function in men with previously acquired undescended testes (AUDT) in whom spontaneous descent was awaited until puberty followed by orchiopexy in case of nondescent. METHODS Andrological evaluation including paternity, scrotal ultrasound, reproductive hormones, and semen analysis was performed in three groups: men with AUDT, healthy controls, and men with previously congenital undescended testes (CUDT). RESULTS In comparison with controls, men with AUDT more often had significantly abnormal testicular consistency, smaller testes, lower sperm concentration, and less motile sperm. Except for more often a normal testicular consistency in men with AUDT, no differences were found between men with AUDT and men with CUDT. Also, no differences were found between men with AUDT which had spontaneously descended and men who underwent orchiopexy. CONCLUSIONS Fertility potential in men with AUDT is compromised in comparison with healthy controls, but comparable with men with CUDT. This suggests that congenital and acquired UDT share the same etiology. No significant difference was found between men who had spontaneous descent and men needing orchiopexy. However, fertility potential is unknown for men after immediate surgery at diagnosis, and this should be a subject for future studies.
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Affiliation(s)
- Jocelyn van Brakel
- Department of Urology, Erasmus University Medical Center, 3000 CA Rotterdam, the Netherlands.
| | - Ries Kranse
- Department of Urology, Erasmus University Medical Center, 3000 CA Rotterdam, the Netherlands.
| | | | - A Emile J Hendriks
- Departments of Pediatrics, Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, 3000 CA Rotterdam, the Netherlands.
| | - Frank H de Jong
- Departments of Internal Medicine, Endocrinology, Erasmus University Medical Center, 3000 CA Rotterdam, the Netherlands.
| | - Wilfried W M Hack
- Department of Pediatrics, Medical Center Alkmaar, 1800AM Alkmaar, the Netherlands.
| | | | - Chris H Bangma
- Department of Urology, Erasmus University Medical Center, 3000 CA Rotterdam, the Netherlands.
| | - Frans W Hazebroek
- Department of Pediatric Surgery, Erasmus University Medical Center-Sophia Children's Hospital, 3000 CA Rotterdam, the Netherlands.
| | - Gert R Dohle
- Department of Urology, Erasmus University Medical Center, 3000 CA Rotterdam, the Netherlands.
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21
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Armanian AM, Kelishadi R, Ardalan G, Taslimi M, Taheri M, Motlagh ME. Prevalence of genitalia malformation in Iranian children: findings of a nationwide screening survey at school entry. Adv Biomed Res 2014; 3:36. [PMID: 24627844 PMCID: PMC3949344 DOI: 10.4103/2277-9175.125648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2013] [Accepted: 08/25/2013] [Indexed: 11/06/2022] Open
Abstract
Background: Ambiguous genitalia is a hereditary disorder that usually requires early attention and detection. The discovery of ambiguous genitalia in a neonate is situation that could be difficult to manage, not only because of complications such as salt-losing, but also due to the importance of sex determination before psychological gender could be established. Awareness of the prevalence of ambiguous genitalia can affect the attitude and consideration of physicians and related medical personnel about disease in different communities. So in this study, the prevalence of ambiguous genitalia and undescended testes (UDT) in Iran was reported. Materials and Methods: This national study was conducted in 2009-2010 as part of the routine screening examinations at school entry in Iran. The physical examinations were performed for students at entry to three school levels by physicians and medical personnel. Execution and conduction of this program was the duty of the University of Medical Sciences in each province. Results: On average, the prevalence of ambiguous genitalia was 0.04% at national level (0.03%, 0.05%, and 0.03% at 6, 12, and 15 year olds, respectively). The prevalence of ambiguous genitalia was not significantly different according to age group and living area. The average of UDT) prevalence in the whole country was 0.13%. The prevalence of UDT was higher at elementary school level than in the other two levels. Conclusion: Although the prevalence of genitalia abnormalities was not high in the school students in Iran, given the importance of the issue and in order to find the ambiguous genitalia or UDT, medical examinations and parental notification should be taken seriously at an earlier age.
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Affiliation(s)
- Amir-Mohammad Armanian
- Department of Neonatology, Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Kelishadi
- Professor of Pediatrics, Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gelayol Ardalan
- Bureau of Population, Family, and School Health, Ministry of Health and Medical Education, Tehran, Iran
| | - Mahnaz Taslimi
- Department of School Health, Bureau of Health and Fitness, Ministry of Education, Tehran, Iran
| | - Majzoubeh Taheri
- Bureau of Population, Family, and School Health, Ministry of Health and Medical Education, Tehran, Iran
| | - Mohammad-Esmaeil Motlagh
- Department of Pediatrics, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran and Bureau of Population, Family, and School Health, Ministry of Health and Medical Education, Tehran, Iran
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22
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Springer A, Subramaniam R, Krall C, Fülöp G. Orchidopexy patterns in Austria from 1993 to 2009. J Pediatr Urol 2013; 9:535-41. [PMID: 22968042 DOI: 10.1016/j.jpurol.2012.08.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Accepted: 08/14/2012] [Indexed: 10/27/2022]
Abstract
OBJECTIVE To evaluate orchidopexy patterns in Austria. MATERIAL AND METHODS All boys with cryptorchidism who underwent orchidopexy (n = 19.998) in Austria between 1993 and 2009 were analyzed using the database Austrian Health Information System at the Austrian Federal Research and Planning Institute for Health Care. Regression models were constructed to examine associations between the probability of orchidopexy before 24 months of life and the following parameters: year of birth, federal state of residence, character of area of living (rural/urban) and hospital type. RESULTS Average age at operation dropped from 6 to 4.3 years (mean 5.2 years, SD 3.8 years). Total incidence of orchidopexy was continuously rising throughout the study period (p < 0.0001), with an OR of 1.007 (95% C.I.: 1.004; 1.0100) per year. The rate of operations between 0 and 2 years (p < 0.001) and 3-7 years (p < 0.001) increased, while the rate in boys older than 7 years decreased (p < 0.001). Year of birth (p < 0.0001) and place of residence (p < 0.0001 and p < 0.024) are significant predictors for having early orchidopexy. CONCLUSION In Austria the total incidence of orchidopexy is significantly rising. Moreover, the incidence of orchidopexies performed before 24 months of life is constantly rising with significant geographic differences.
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Kollin C, Granholm T, Nordenskjöld A, Ritzén EM. Growth of spontaneously descended and surgically treated testes during early childhood. Pediatrics 2013; 131:e1174-80. [PMID: 23530172 DOI: 10.1542/peds.2012-2902] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE To investigate whether in congenital unilateral cryptorchidism the growth of a spontaneously descended testis is normal, compared with the contralateral scrotal testis or similar to the growth of testes that failed to descend spontaneously and later underwent orchidopexy. METHODS Ninety-one boys with congenital unilateral cryptorchidism with later spontaneous descent of the initially retained testis were followed from birth (0-3 weeks) up to 5 years of age and compared with boys randomized to surgery at either 9 months (n = 78) or 3 years (n = 85) of age. Testicular volume was determined with ultrasonography. RESULTS Eighty-two percent of spontaneous descent occurred before 2 months of age. Twenty-two percent of these descended testes were later again found in a retained position. The spontaneously descended testis was smaller than its scrotal counterpart at all ages (P < .001). We also showed a significant difference in the testicular volume between the early and late treated boys from age 2 years and onward. At 2, 4, and 5 years of age, the volumes of the spontaneously descended testes were significantly larger than those of boys operated on at 3 years but similar to those operated on at 9 months. CONCLUSIONS We have shown that in boys with congenital unilateral cryptorchidism with later spontaneous descent, the originally retained testes show impaired growth compared with its scrotal counterpart from birth and onwards. Also, they are prone to later ascent to a retained position. Furthermore, the longer testes remain untreated the more they exhibit impaired growth.
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Affiliation(s)
- Claude Kollin
- Department of Women's and Children's Health, Center of Molecular Medicine, Karolinska Institutet, SE-17176, Stockholm, Sweden.
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Meij-de Vries A, Goede J, van der Voort L, Heij HA, Meijer RW, Hack WWM. Long-term testicular position and growth of acquired undescended testis after prepubertal orchidopexy. J Pediatr Surg 2012; 47:727-35. [PMID: 22498388 DOI: 10.1016/j.jpedsurg.2011.10.073] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Revised: 09/29/2011] [Accepted: 10/23/2011] [Indexed: 10/28/2022]
Abstract
PURPOSE The aim of the study was to determine long-term testicular position and growth of acquired undescended testis (UDT) after prepubertal orchidopexy. METHODS Patients who had undergone prepubertal orchidopexy for acquired UDT at our hospital between 1986 and 1999 were recruited to assess long-term testicular position and volume. Testis position was assessed by physical examination. Testis volume was measured with Prader orchidometry and ultrasound and was compared with normative values reported in the literature. RESULTS A total of 105 patients (aged 14.0-31.6 years) were included with 137 acquired UDT (32 bilateral, 33 left sided, and 40 right sided). All but 1 of the orchidopexied testes (99.3%) were in low scrotal position. The mean volume of the orchidopexied testes in unilateral UDT (n = 73, 10.57 ± 3.74 mL) differed significantly from the size of the testes at the contralateral side (14.11 ± 4.23 mL) (P = .000). The operated testes (10.28 ± 3.45 mL) were smaller than the mean adult testis volume reported in the literature (13.4-13.6 mL; cutoff, 13.2 mL). CONCLUSION Testis position after prepubertal orchidopexy for acquired UDT was nearly always low scrotal. The volume of the orchidopexied testes was smaller than both the volume of the contralateral testes and the normative values reported in the literature.
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Affiliation(s)
- Annebeth Meij-de Vries
- Department of Surgery Wilhelminalaan, Medical Centre Alkmaar, 12 1815 JD Alkmaar, The Netherlands.
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25
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Keys C, Heloury Y. Retractile testes: a review of the current literature. J Pediatr Urol 2012; 8:2-6. [PMID: 21497555 DOI: 10.1016/j.jpurol.2011.03.016] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Accepted: 03/17/2011] [Indexed: 11/25/2022]
Abstract
The current evidence for the management of retractile testes is discussed in this review. Issues such as clinical definitions, natural history, possible outcomes and evidence for surgical intervention are evaluated. After reviewing the literature, the authors summarize that currently there is not enough evidence to warrant surgery for retractile testes, but rather a strategy of surveillance should be adopted.
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Affiliation(s)
- Charles Keys
- Department of Paediatric Surgery, Monash Medical Centre, 246 Clayton Road, Clayton, Melbourne, Vic 3168, Australia.
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26
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van Brakel J, Dohle GR, de Muinck Keizer-Schrama SM, Hazebroek FW. Different surgical findings in congenital and acquired undescended testes. BJU Int 2012; 110:E387-91. [DOI: 10.1111/j.1464-410x.2011.10888.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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Marchetti F, Bua J, Tornese G, Piras G, Toffol G, Ronfani L. Management of cryptorchidism: a survey of clinical practice in Italy. BMC Pediatr 2012; 12:4. [PMID: 22233418 PMCID: PMC3295675 DOI: 10.1186/1471-2431-12-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2011] [Accepted: 01/10/2012] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND An evidence-based Consensus on the treatment of undescended testis (UT) was recently published, recommending to perform orchidopexy between 6 and 12 months of age, or upon diagnosis and to avoid the use of hormones. In Italy, current practices on UT management are little known. Our aim was to describe the current management of UT in a cohort of Italian children in comparison with the Consensus guidelines. As management of retractile testis (RT) differs, RT cases were described separately. METHODS Ours is a retrospective, multicenter descriptive study. An online questionnaire was filled in by 140 Italian Family Paediatricians (FP) from Associazione Culturale Pediatri (ACP), a national professional association of FP. The questionnaire requested information on all children with cryptorchidism born between 1/01/2004 and 1/01/2006. Data on 169 children were obtained. Analyses were descriptive. RESULTS Overall 24% of children were diagnosed with RT, 76% with UT. Among the latter, cryptorchidism resolved spontaneously in 10% of cases at a mean age of 21.6 months. Overall 70% of UT cases underwent orchidopexy at a mean age of 22.8 months (SD 10.8, range 1.2-56.4), 13% of whom before 1 year. The intervention was performed by a paediatric surgeon in 90% of cases, with a success rate of 91%. Orchidopexy was the first line treatment in 82% of cases, while preceded by hormonal treatment in the remaining 18%. Hormonal treatment was used as first line therapy in 23% of UT cases with a reported success rate of 25%. Overall, 13 children did not undergo any intervention (mean age at last follow up 39.6 months). We analyzed the data from the 5 Italian Regions with the largest number of children enrolled and found a statistically significant regional difference in the use of hormonal therapy, and in the use of and age at orchidopexy. CONCLUSIONS Our study showed an important delay in orchidopexy. A quarter of children with cryptorchidism was treated with hormonal therapy. In line with the Consensus guidelines, surgery was carried out by a paediatric surgeon in the majority of cases, with a high success rate.
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Affiliation(s)
- Federico Marchetti
- Institute for Maternal and Child Health IRCCS "Burlo Garofolo", Department of Paediatrics, Trieste, Italy
| | - Jenny Bua
- Institute for Maternal and Child Health IRCCS "Burlo Garofolo", Department of Neonatology, Trieste, Italy
| | - Gianluca Tornese
- Institute for Maternal and Child Health IRCCS "Burlo Garofolo", Department of Paediatrics, Trieste, Italy
| | | | | | - Luca Ronfani
- Institute for Maternal and Child Health IRCCS "Burlo Garofolo", Epidemiology and Biostatistics Unit, Trieste, Italy
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Hutson JM, Nation T, Balic A, Southwell BR. The role of the gubernaculum in the descent and undescent of the testis. Ther Adv Urol 2011; 1:115-21. [PMID: 21789060 DOI: 10.1177/1756287209105266] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Testicular descent to the scrotum involves complex anatomical rearrangements and hormonal regulation. The gubernaculum remains the key structure, undergoing the 'swelling reaction' in the transabdominal phase, and actively migrating out of the abdominal wall to the scrotum in the inguinoscrotal phase. Insulin-like hormone 3 (Insl3) is the primary regulator of the first phase, possibly augmented by Müllerian inhibiting substance/anitmüllerian hormone (MIS/AMH), and regression of the cranial suspensory ligament by testosterone. The inguinoscrotal phase is controlled by androgens acting both directly on the gubernaculum and indirectly via the genitofemoral nerve, and release of calcitonin gene-related peptide from its sensory fibres. Outgrowth of the gubernaculum and elongation to the scrotum has many similarities to an embryonic limb bud.Cryptorchidism occurs because of both failure of migration congenitally, and failure of elongation of the spermatic cord postnatally. Germ cell development postnatally is disturbed in congenital cryptorchidism, but our current understanding of germ cell biology suggests that early orchidopexy, around 6 months of age, should provide a significant improvement in prognosis compared with a previous generation. Hormone treatment is not currently recommended. Acquired cryptorchid testes may need orchidopexy once they no longer reach the scrotum, although this remains controversial.
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Affiliation(s)
- John M Hutson
- Chair of Paediatric Surgery, Urology Department, Royal Children's Hospital, Parkville, Victoria, 3052 Australia Royal Children's Hospital, Melbourne, Australia Murdoch Children's Research Institute, Melbourne, Australia Department of Paediatrics, University of Melbourne, Australia
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29
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Abstract
Complete testicular descent is a sign of, and a prerequisite for, normal testicular function in adult life. The process of testis descent is dependent on gubernacular growth and reorganization, which is regulated by the Leydig cell hormones insulin-like peptide 3 (INSL3) and testosterone. Investigation of the role of INSL3 and its receptor, relaxin-family peptide receptor 2 (RXFP2), has contributed substantially to our understanding of the hormonal control of testicular descent. Cryptorchidism is a common congenital malformation, which is seen in 2-9% of newborn boys, and confers an increased risk of infertility and testicular cancer in adulthood. Although some cases of isolated cryptorchidism in humans can be ascribed to known genetic defects, such as mutations in INSL3 or RXFP2, the cause of cryptorchidism remains unknown in most patients. Several animal and human studies are currently underway to test the hypothesis that in utero factors, including environmental and maternal lifestyle factors, may be involved in the etiology of cryptorchidism. Overall, the etiology of isolated cryptorchidism seems to be complex and multifactorial, involving both genetic and nongenetic components.
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Screening of testicular descent in older boys is worthwhile: an observational study. Br J Gen Pract 2011; 61:173-7. [PMID: 21375901 DOI: 10.3399/bjgp11x561140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
BACKGROUND Testicular descent in boys is now routinely screened only once, at 6-8 weeks of age. Early surgery for undescended testes is recommended. AIM To assess the value of screening for testicular descent at 6-8 weeks, 8-9 months, and 39-42 months of age. DESIGN OF STUDY Observational study. SETTING Royal Hospital for Sick Children, Glasgow and the Scottish community-based Child Health Surveillance Programme. METHOD Screening data for boys undergoing surgery for abnormal testicular descent between April 2006 and September 2007 was reviewed. The main outcome measure was median age at first operation for abnormal testicular descent comparing attendance at screening with non-attendance. RESULTS Boys who attended screening underwent surgery at a significantly younger median age than boys who did not attend screening at 6-8 weeks (2.7 versus 7.7 years; P<0.001); 8-9 months (4.5 versus 9.7 years; P<0.001); and 39-42 months (7.8 versus 10.8 years; P = 0.014). A new diagnosis was made in 33% (42 of 128 boys) at 6-8 weeks, 28% (21/74) at 8-9 months, and 39% (15/38) at 39-42 months. Detection on screening did not always trigger referral. Referral was triggered by screening in 48% (62/128) of cases, and by incidental examinations in 27% (34/128). CONCLUSION The previous screening regimen was effective, but checks at 8-9 months and 39-42 months have recently been abolished. Reinstatement of screening for testicular descent in older boys is advocated because screened boys underwent surgery at a younger age. Doctors should be encouraged to check testicular descent in boys throughout childhood, and refer promptly when there is any concern.
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Toppari J, Virtanen HE, Main KM, Skakkebaek NE. Cryptorchidism and hypospadias as a sign of testicular dysgenesis syndrome (TDS): environmental connection. ACTA ACUST UNITED AC 2011; 88:910-9. [PMID: 20865786 DOI: 10.1002/bdra.20707] [Citation(s) in RCA: 159] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Cryptorchidism and hypospadias are common genital birth defects that affect 2-9% and 0.2-1% of male newborns, respectively. The incidence of both defects shows large geographic variation, and in several countries increasing trends have been reported. The conditions share many risk factors, and they are also interlinked to the risk of testis cancer and poor semen quality. Testicular Dysgenesis Syndrome (TDS) may underlie many cases of all these male reproductive health problems. Genetic defects in androgen production or action can cause both cryptorchidism and hypospadias, but these are not common. A monogenic reason for cryptorchidism or hypospadias has been identified only in a small proportion of all cases. Environmental effects appear to play a major role in TDS. Exposure to several persistent chemicals has been found to be associated with the risk of cryptorchidism, and exposure to anti-androgenic phthalates has been shown to be associated with hormonal changes predisposing to male reproductive problems. Despite progress in identification of endocrine-disrupting substances, we are still far from knowing all the risk factors for these birth defects, and advice for prevention must be based on precautionary principles.
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Affiliation(s)
- Jorma Toppari
- Departments of Physiology and Pediatrics, University of Turku, Kiinamyllynkatu 10, Turku, Finland.
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Meij-de Vries A, Hack WWM, Heij HA, Meijer RW. Perioperative surgical findings in congenital and acquired undescended testis. J Pediatr Surg 2010; 45:1874-81. [PMID: 20850635 DOI: 10.1016/j.jpedsurg.2010.02.121] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2009] [Revised: 02/02/2010] [Accepted: 02/26/2010] [Indexed: 10/19/2022]
Abstract
PURPOSE Perioperative surgical findings in congenital and acquired undescended testis (UDT) were prospectively assessed. METHODS We included all boys with congenital or acquired UDT who underwent orchidopexy at our hospital between January 2006 and August 2009. Perioperatively, we scored the position and volume of the testis, the insertion of the gubernaculum, the patency of the processus vaginalis, and the obtained position. RESULTS We included 69 boys (aged 0.9-14.6 years) with 76 congenital UDT and 28 boys (aged 2.2-18.5 years) with 30 acquired UDT. In the congenital group, the testis was in intracanalicular position in 55 cases (72%), whereas in the acquired UDT group, this was in 11 cases (37%; P < .001). The insertion of the gubernaculum was at the bottom of the scrotum in 13 cases (17%) of the congenital UDT group and in 12 cases (40%) of the acquired UDT group (P < .05). The processus vaginalis was open in 63 cases (83%) of the congenital and in 9 cases (30%) of the acquired UDT group (P < .001). CONCLUSION Compared to congenital UDT, acquired UDT are more likely to be situated in the superficial inguinal pouch, to have a normal insertion of the gubernaculums, and to have a closed processus vaginalis.
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Tasian GE, Zaid H, Cabana MD, Baskin LS. Proximal Hypospadias and Risk of Acquired Cryptorchidism. J Urol 2010; 184:715-20. [DOI: 10.1016/j.juro.2010.03.056] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2009] [Indexed: 10/19/2022]
Affiliation(s)
- Gregory E. Tasian
- Department of Urology, University of California, San Francisco, California
| | - Harras Zaid
- Department of Urology, University of California, San Francisco, California
| | - Michael D. Cabana
- Division of General Pediatrics, University of California, San Francisco, California
- Department of Epidemiology and Biostatistics, University of California, San Francisco, California
| | - Laurence S. Baskin
- Division of Pediatric Urology, Department of Pediatrics, University of California, San Francisco, California
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Wohlfahrt-Veje C, Boisen KA, Boas M, Damgaard IN, Kai CM, Schmidt IM, Chellakooty M, Suomi AM, Toppari J, Skakkebaek NE, Main KM. Acquired cryptorchidism is frequent in infancy and childhood. ACTA ACUST UNITED AC 2009; 32:423-8. [PMID: 19515170 DOI: 10.1111/j.1365-2605.2008.00946.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Accurate prevalence data for acquired cryptorchidism are currently sparse and systematic prospective studies have not yet been reported. Our aim was to determine the prevalence of testicular ascent in childhood. In a prospective longitudinal population-based child cohort from Copenhagen, Denmark (1997-2007), testicular position was examined according to a standardised protocol in a total of 1072 boys, at birth (n = 1051), at 3 months (n = 983), 18 months (n = 888), 36 months (n = 790) and again once between 4 1/2 and 10 years of age (n = 509). Ascensus testis was defined as ascent of the testis into a cryptorchid position after normal scrotal position at birth. A congenital cryptorchid testis with spontaneous postnatal descent followed by recurrence of cryptorchidism was named recurrent cryptorchidism. Ascensus testis occurred in 0.2%, 0.6% and 0.6% of boys at 3, 18 and 36 months of age respectively. When including recurrent cryptorchidism the prevalence was 0.2%, 1.2% and 0.8% respectively. Ascensus testis accounts for 58% of all cases of cryptorchidism (congenital and acquired) at 18 months, 71% at 36 months and thereafter 69%. Ascensus testis accounts for more than half of cryptorchid testes seen in childhood and occurs in both previously scrotal and cryptorchid testes. We therefore recommend that all boys should have testis position checked regularly during childhood, at least up to 3 years of age.
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Abstract
Undescended testes (UDT) are found in 1% boys at the age of 1-year old, 3% of full-term male infants and 33% in premature babies at birth. Spontaneous descent is possible until 6 months of age. The two main phases of descent of the testis during gestation are described, as well as the possible aetiologies, the consequences of an abnormal migration, and the main locations of UDTs. Clinical examination is essential and should be done in optimal conditions. Laparoscopic exploration is the only valuable complementary investigation in the case of non-palpable UDT.
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Affiliation(s)
- Pierre D E Mouriquand
- Department of Paediatric Urology, Hôpital Mère-Enfants, Claude-Bernard University, Lyon 1, 59 Boulevard Pinel, 69500 Bron, France.
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Hack WM, Goede J, Pierik FH, Sijstermans K. ASCENT OF THE TESTIS REVISITED: FACT NOT FICTION. BJU Int 2008; 102:1477-8; author reply 1478. [DOI: 10.1111/j.1464-410x.2008.08188_1.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Bonney T, Hutson J, Southwell B, Newgreen D. UPDATE ON CONGENITAL VERSUS ACQUIRED UNDESCENDED TESTES: INCIDENCE, DIAGNOSIS AND MANAGEMENT. ANZ J Surg 2008; 78:1010-3. [DOI: 10.1111/j.1445-2197.2008.04721.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Guven A, Kogan BA. Undescended testis in older boys: further evidence that ascending testes are common. J Pediatr Surg 2008; 43:1700-4. [PMID: 18779010 DOI: 10.1016/j.jpedsurg.2008.03.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2007] [Revised: 03/01/2008] [Accepted: 03/02/2008] [Indexed: 11/19/2022]
Abstract
INTRODUCTION We recommend orchiopexy between 9 and 18 months of age for surgical, testicular, and psychological reasons. However, in practice, we observed many patients coming to orchiopexy at a later age. To understand this difference better, we reviewed our experience with patients undergoing late orchiopexy. METHODS We reviewed retrospectively the office medical records of all boys who had undergone an orchiopexy between July 1997 and April 2006. We defined a "late" orchiopexy as that performed at 4 years of age or later. Each boy was examined carefully by a pediatric urologist, and preoperative, intraoperative, and postoperative findings were reviewed. RESULTS There were 191 late orchiopexies in 177 patients (from a total of 587 orchiopexies in 552 patients). Median age at the operation was 7.2 years (range, 4.0-16.2). Preoperatively, the testes were palpable in 140 (72%) and nonpalpable in 51 (28%). The apparent reason for the late orchiopexy was an ascending testis (previously descended) in 85 (45%), parental delay in 41 (22%), late referral in 39 (20%), and iatrogenic cryptorchidism in 18 (9%). Ascended testes were more likely to have a history of being retractile (85% vs 30%), to have a patent processus vaginalis (78% vs 54%), and to be localized to the superficial inguinal area (87% vs 50%). CONCLUSIONS Primary care provider and parent education on the benefits of early orchiopexy is important, but in addition, ascending testes are much more common than previously thought. Patients with retractile testes should be followed regularly.
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Affiliation(s)
- Ahmet Guven
- Department of Pediatric Surgery, Gulhane Military Medical Academy, Etlik, Ankara 06018, Turkey
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39
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Virtanen H, Toppari J. Epidemiology and pathogenesis of cryptorchidism. Hum Reprod Update 2007; 14:49-58. [DOI: 10.1093/humupd/dmm027] [Citation(s) in RCA: 160] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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40
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Myrup C, Schnack TH, Wohlfahrt J. Correction of cryptorchidism and testicular cancer. N Engl J Med 2007; 357:825-7; author reply 825-7. [PMID: 17715418 DOI: 10.1056/nejmc071510] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Hack WWM, van der Voort-Doedens LM, Sijstermans K, Meijer RW, Pierik FH. Reduction in the number of orchidopexies for cryptorchidism after recognition of acquired undescended testis and implementation of expectative policy. Acta Paediatr 2007; 96:915-8. [PMID: 17537024 DOI: 10.1111/j.1651-2227.2007.00302.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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 expectative policy in our hospital on the number of orchidopexies. METHODS Two 5-year periods were compared. Period A (1991-1995), in which undescended testis was treated surgically, and period B (2000-2004), in which prepubertal orchidopexy in our hospital was no longer performed for acquired undescended testis. In addition, a comparison was made between the percentage reduction in hospital and national figures. RESULTS In period B, the number of orchidopexies in our hospital was reduced by 61.8% (from 387 to 148), mainly in the age group >6 years. Nationally, during the same period, the number of orchidopexies decreased only by 2.4% (from 18 024 to 17 591). CONCLUSION The results of this study confirm that recognition of acquired undescended testis is crucial for reducing the high number of (late) orchidopexies.
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Affiliation(s)
- W W M Hack
- Department of Paediatrics, Medical Centre Alkmaar, Alkmaar, The Netherlands
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Sijstermans K, Hack WWM, Meijer RW, van der Voort-Doedens LM. The frequency of undescended testis from birth to adulthood: a review. ACTA ACUST UNITED AC 2007; 31:1-11. [PMID: 17488243 DOI: 10.1111/j.1365-2605.2007.00770.x] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We performed a systematic review and critique of the literature on the frequency of undescended testis (UDT) among boys from birth to adolescence. Special attention was given to whether previous testicular position was taken into account to distinguish between congenital and acquired UDT. We searched Medline, Embase, Cinahl and the Cochrane Library. Any study reporting on the frequency of UDT was included. Study population age, number of boys studied, period of examination, primary examiner, area of study, study design, ethnicity, definitions used and previous testicular position were analysed. A total of 46 studies met the inclusion criteria. Twenty-three of the 46 (50%) studies involved newborns. Definitions were described in half of the studies; however, the definitions used were heterogeneous. Previous testis position was described in 11% (5/46) of the studies. At birth, in term and/or birth weight >2.5 kg infants, the UDT rate ranged from 1.0 to 4.6%, and in premature and/or birth weight <2.5 kg infants from 1.1 to 45.3%. At the age of 1 year UDT in term and/or birth weight >2.5 kg infants was seen in 1.0-1.5%, at 6 years in 0.0-2.6%, at 11 years in 0.0-6.6% and at 15 years in 1.6-2.2% of boys. The frequency of UDT shows variable figures in the literature. The actual frequency of acquired UDT essentially remains unclear because of the shortage of studies performed at an older age, and of studies reporting on previous testicular position.
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Affiliation(s)
- K Sijstermans
- Department of Paediatrics, Medical Centre Alkmaar, Alkmaar, The Netherlands.
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Abstract
Perspective on the paper by Hack et al(see page 17)
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Affiliation(s)
- P Mouriquand
- Service d'Urologie Pediatrique, 29, rue Soeur Bouvier, Lyon Cedex 05, 69322 France.
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