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https://www.readbyqxmd.com/read/28081195/assessment-of-volumetric-versus-manual-measurement-in-disseminated-testicular-cancer-no-difference-in-assessment-between-non-radiologists-and-genitourinary-radiologist
#1
Çiğdem Öztürk, Ton Velleman, Alphons H H Bongaerts, L M Bergman, Robert J van Ginkel, Jourik A Gietema, Harald J Hoekstra
BACKGROUND: The aim of this study was to assess the feasibility and reproducibility of semi-automatic volumetric measurement of retroperitoneal lymph node metastases in testicular cancer (TC) patients treated with chemotherapy versus the standardized manual measurements based on RECIST criteria. METHODS: 21 TC patients with retroperitoneal lymph node metastases of testicular cancer were studied with a CT scan of chest and abdomen before and after cisplatin based chemotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28073201/azoospermic-patient-s-treatment-an-experience-of-a-pma-hospital-unit-and-role-of-ultrasonography
#2
Paolo Panella, Pietro Pepe, Placido Borzì, Maria Elena Vento, Michele Pennisi, Paolo Scollo
INTRODUCTION: Azoospermia causes about 10% of male infertility and the best therapeutic option is the retrieval of sperm from testis or epididymis. MATERIAL AND METHODS: From Juanary 2008 to June 2016, 92 men (median 36 years; range: 25-54 years) were submitted in 47 cases to TESE (testicular sperm extraction) and in 45 cases to PESA (percutaneous epididymal sperm aspiration) for secretory and obstructive azoospermia, respectively; moreover, all the patients previously underwent color Doppler ultrasound of the testis and transrectal ultrasound of the prostate...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28070708/delayed-treatment-of-undescended-testes-may-promote-hypogonadism-and-infertility
#3
Julia Rohayem, Alessandra Luberto, Eberhard Nieschlag, Michael Zitzmann, Sabine Kliesch
CONTEXT: Undescended testes at birth may be caused by testosterone deficiency during fetal development. It is unclear whether the process of failed descent contributes to permanent endocrine impairment. OBJECTIVES: To evaluate the impact of age at treatment of undescended testes on endocrine and spermatogenic testicular function in middle-aged men. PATIENTS AND METHODS: Reproductive hormone and semen data of 357 men with previously undescended testes were evaluated with respect to age at correction of testicular position and compared to those of 709 controls with eutopic testes at birth and normozoospermia...
January 9, 2017: Endocrine
https://www.readbyqxmd.com/read/28062178/testicular-shear-wave-elastography-in-normal-and-infertile-men-a-prospective-study-on-601-patients
#4
Laurence Rocher, Aline Criton, Jean-Luc Gennisson, Vincent Izard, Sophie Ferlicot, Mickael Tanter, Gerard Benoit, Marie France Bellin, Jean-Michel Correas
Our aim in the study described here was to prospectively establish the feasibility of using and reproducibility of testicular shear-wave elastography in the assessment of testicular stiffness in 62 normal patients and 539 infertile men with obstructive azoospermia (OA), non-Klinefelter syndrome non-obstructive azoospermia (non-KS NOA), Klinefelter syndrome NOA (KS NOA), oligoasthenoteratozoospermia (OAT) or a left varicocele. The feasibility rate was 96.9%, with an intra-class correlation coefficient of 0.85 (95% confidence interval: 0...
January 3, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28052646/ameliorative-potentials-of-quercetin-against-lead-induced-hematological-and-testicular-alterations-in-albino-rats
#5
Mohammed A. Al-Omair, Azza Sedky, Awatef Ali, Hany Elsawy
Lead is one of the oldest environmental and occupational toxins. Health hazards from increased lead exposure as a result of industrial and environmental pollution are recognized. The aim of the present study was to investigate the protective effects of quercetin as a model of an antioxidant drug against the toxic effects of lead acetate on the blood and the testis of rats. The lead concentrations were determined in blood and the testis. Testosterone (T), luteinizing hormone (LH) and follicle stimulating hormone (FSH) were assessed in serum...
28, 2017: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/28048209/su-f-p-55-testicular-scatter-dose-determination-during-prostate-sbrt-with-and-without-pelvic-lymph-nodes
#6
C Venencia, A Germanier, E Garrigo, P Castro Pena, J Torres, S Zunino
PURPOSE: The elective irradiation of pelvis lymph node for prostate cancer is still controversial. Including pelvic lymph node as part of the planning target volume could increase the testicular scatter dose, which could have a clinical impact. The objective of this work was to measure testicular scatter dose for prostate SBRT treatment with and without pelvic lymph nodes using TLD dosimetry. METHODS: A 6MV beam (1000UM/min) produce by a Novalis TX (BrainLAB-VARIAN) equipped HDMLC was used...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040413/in-search-of-an-improved-injection-technique-for-the-clinical-application-of-spermatogonial-stem-cell-transplantation
#7
Katrien Faes, Tony Lahoutte, Anne Hoorens, Herman Tournaye, Ellen Goossens
When fertility is impaired by anticancer treatment, spermatogonial stem cell transplantation (SSCT) could be used as a fertility restoration technique later on in life. Previously, we have demonstrated that a testicular cell suspension could be injected into a human cadaver testis, however, leakage to the interstitium was observed. In this study, injection of mouse testicular cells at an injection height of 50 cm (hydrostatic pressure) or via an automated injection pump (1400 µl, 2600 µl and 3000 µl) was evaluated...
December 15, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28027755/a-preliminary-study-of-shear-wave-elastography-for-the-evaluation-of-unilateral-palpable-undescended-testes
#8
Ayse Kalyoncu Ucar, Deniz Alis, Cesur Samanci, Mine Aslan, Hatice Arioz Habibi, Atilla Suleyman Dikici, Yesim Namdar, Mehmet Hamza Gultekin, Bulent Onal, Ibrahim Adaletli
OBJECTIVES: We sought to compare unilateral palpable undescended testes and contralateral descended testes using shear wave elastography (SWE) to show potential quantitative differences in elasticity patterns, which might reflect the histologic features. METHODS: Approval for this prospective study was obtained from the local ethics committee. A total of 29 patients (mean age, 7.52 years; range, 1-18 years) with unilateral palpable undescended testes and contralateral descended testes were examined by greyscale ultrasonography and SWE between February 2015 and April 2016...
January 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28004146/residual-tumor-resection-rtr
#9
A Lusch, P Albers
Residual tumor resection in patients with advanced testicular tumor plays a vital role in the multimodal treatment. Treatment indications for residual tumor resection have changed over the last two decades. While patients with advanced seminoma after chemotherapy or radiotherapy rarely need surgery, it is mandatory for most non-seminomatous tumor patients to undergo post-chemotherapy tumor resection. Due to adjunctive surgical procedures, the operation is surgically demanding and should be performed only in specialized high-volume referral centers...
December 21, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/28002344/the-role-of-ultrasound-in-the-management-of-undescended-testes-before-and-after-orchidopexy-an-update
#10
Grzegorz Jedrzejewski, Andrzej Pawel Wieczorek, Pawel Osemlak, Pawel Nachulewicz
The aim of this study was to evaluate the testicular volume and structure using ultrasound (US) before and up to 3 years after orchidopexy in children with different age.A total of 128 patients underwent orchidopexy for undescended testes. Afterwards, patients were invited for annual follow-up and control scrotal US. The total number of analyzed testes after orchidopexy was 184. Patients were divided according to age at the time of surgery: group I (2-4 years old), group II (5-7), and group III (8-10). In all patients, the testicular volume ratio was calculated as the operated testes volume versus the control testes mean volume...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27992610/maternal-preeclampsia-and-androgens-in-the-offspring-around-puberty-a-follow-up-study
#11
Ingvild V Alsnes, Imre Janszky, Bjørn O Åsvold, Inger Økland, Michele R Forman, Lars J Vatten
BACKGROUND: Children born after preeclampsia may have a dominant androgen profile in puberty compared with other children. Circulating androgen concentrations at 11-12 years of age were compared between offspring born after preeclampsia, and children whose mothers did not have preeclampsia. METHODS: A total of 611 mother-offspring pairs were followed up 11 (daughters) or 12 (sons) years after birth: 218 pairs in the preeclampsia group, and 383 pairs without preeclampsia...
2016: PloS One
https://www.readbyqxmd.com/read/27982202/a-boy-with-prader-willi-syndrome-unmasking-precocious-puberty-during-growth-hormone-replacement-therapy
#12
Natasha G Ludwig, Rafael F Radaeli, Mariana M X Silva, Camila M Romero, Alexandre J F Carrilho, Danielle Bessa, Delanie B Macedo, Maria L Oliveira, Ana Claudia Latronico, Tânia L Mazzuco
Prader-Willi syndrome (PWS) is a genetic disorder frequently characterized by obesity, growth hormone deficiency, genital abnormalities, and hypogonadotropic hypogonadism. Incomplete or delayed pubertal development as well as premature adrenarche are usually found in PWS, whereas central precocious puberty (CPP) is very rare. This study aimed to report the clinical and biochemical follow-up of a PWS boy with CPP and to discuss the management of pubertal growth. By the age of 6, he had obesity, short stature, and many clinical criteria of PWS diagnosis, which was confirmed by DNA methylation test...
November 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27940757/atypical-leydig-cell-tumor-in-children-report-of-2-cases
#13
Chiara Mameli, Giorgio Selvaggio, Chiara Cerini, Gaetano Bulfamante, Cristina Madia, Giovanna Riccipetitoni, Gian Vincenzo Zuccotti
Leydig cell tumors (LCTs) are rare cord-stromal tumors that may occur in testis or ovaries and may produce androgens or estrogens. The majority has been found in men between the ages of 20 and 60 years. Adults with androgen-secreting LCTs are usually asymptomatic; feminizing syndromes may result from the production of estradiol or the peripheral aromatization of testosterone. In children, LCTs usually present between 5 and 10 years of age with isosexual precocious pseudopuberty or gynecomastia. We report 2 cases of LCT in prepubertal boys presenting with advanced unilateral pubarche and testicular volume asymmetry...
November 2016: Pediatrics
https://www.readbyqxmd.com/read/27927844/congenital-hypogonadotropic-hypogonadism-functional-hypogonadotropism-or-constitutional-delay-of-growth-and-puberty-an-analysis-of-a-large-patient-series-from-a-single-tertiary-center
#14
Tero Varimo, Päivi J Miettinen, Johanna Känsäkoski, Taneli Raivio, Matti Hero
STUDY QUESTION: What diagnoses underlie delayed puberty (DP) and predict its outcome? SUMMARY ANSWER: A multitude of different diagnoses underlie DP, and in boys a history of cryptorchidism, small testicular size and slow growth velocity (GV) predict its clinical course. WHAT IS KNOWN ALREADY: DP is caused by a variety of underlying etiologies. Hormonal markers can be used in the differential diagnosis of DP but none of them have shown complete diagnostic accuracy...
January 2017: Human Reproduction
https://www.readbyqxmd.com/read/27916832/anthropometric-measurements-serum-reproductive-hormonal-levels-and-sexual-development-among-boys-in-the-rural-western-cape-south-africa
#15
Jun Mao, Mohamed Aqiel Dalvie
Data on growth and sexual maturation among boys from the rural Western Cape in South Africa is limited. A cross-sectional study of 269 school boys was conducted testing for serum luteinizing hormone (LH), follicle stimulating hormone (FSH), testosterone, sex hormone binding globulin (SHBG) and estradiol (E2); height, weight and body mass index (BMI); sexual maturity (using Tanner Stages) and a questionnaire (demographic and medical history). The median age at pubertal onset (Tanner Stage 2) and Tanner Stage 5 was 11...
November 29, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27903360/-update-on-pubertal-development-among-primary-school-students-in-shanghai-2014
#16
Y Chen, Y T Zhang, C Chen, Y R Jiang, Y J Song, S J Liu, F Jiang
Objective: To investigate the current prevalence of pubertal development in healthy Shanghai schoolchildren. Methods: This study was a cross-sectional investigation focused on current pubertal development conducted in healthy Shanghai schoolchildren by multi-stage cluster sampling. The sample included 17 571 children in grades 1-5 investigated in June 2014. The data were weighted by inverse probability weighting (IPW) to make them more representative. At examination, stages of breast and pubic hair development were rated according to the Tanner method...
November 6, 2016: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/27893825/low-birth-weight-is-associated-with-a-decreased-overall-adult-health-status-and-reproductive-capability-results-of-a-cross-sectional-study-in-primary-infertile-patients
#17
Luca Boeri, Eugenio Ventimiglia, Paolo Capogrosso, Silvia Ippolito, Angela Pecoraro, Marco Paciotti, Roberta Scano, Alessandro Galdini, Luca Valsecchi, Enrico Papaleo, Francesco Montorsi, Andrea Salonia
Individuals born with low birth weight (LBW) risk cardiometabolic complications later in life. However the impact of LBW on general health status and male reproductive function has been scantly analysed. We investigated the clinical and seminal impact of different birth weights (BW) in white-European men presenting for primary couple's infertility. Demographic, clinical, and laboratory data from 827 primary infertile men were compared with those of 373 consecutive fertile men. Patients with BW ≤2500, 2500-4200, and ≥4200gr were classified as having LBW, normal (NBW), and high BW (HBW), respectively...
2016: PloS One
https://www.readbyqxmd.com/read/27890022/continuous-light-after-2-months-of-long-days-stimulates-ram-testis-volume-and-increases-fertility-in-spring
#18
D Chesneau, D Guillaume, P Chemineau, B Malpaux
Seasonal reproduction is one of the major biotechnical and economic constraints of sheep production in temperate latitudes. Treatments using extra light followed by melatonin implants have been used satisfactorily in open barns, farms and artificial insemination centres to produce out-of-season sexual activity in rams. The aim of the present study is to explore the possibility of replacing melatonin implants with continuous light (LL), which was recently shown to increase LH secretion similar to melatonin and/or pinealectomy...
November 28, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27886002/three-dimensional-vs-two-dimensional-shear-wave-elastography-of-the-testes-preliminary-study-on-a-healthy-collective
#19
J Marcon, M Trottmann, J Rübenthaler, M D'Anastasi, C G Stief, M F Reiser, D A Clevert
INTRODUCTION: Shear wave elastography (SWE) and its derivative Supersonic Shear Imaging (SSI) are newer techniques for the determination of tissue elasticity by measuring the velocity of generated shear waves (SWV), which correlates positively with tissue stiffness.The techniques are integrated into many modern ultrasound systems and have been examined in the evaluation of viscoelastic properties of different organ systems. Two-dimensional shear wave elastography (2D SWE) of the testes has been found to be a useful tool in recent studies which included the determination of standard values in healthy volunteers...
November 23, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27879966/andrological-complications-following-retroperitoneal-lymphnode-dissection-for-testicular-cancer-a-narrative-review
#20
Alessandro Crestani, Francesco Esperto, Marta Rossanese, Gianluca Giannarini, Nicola Nicolai, Vincenzo Ficarra
Retroperitoneal lymphnode dissection (RPLND) is a fundamental surgical step in the treatment of testicular cancer. Nowadays primary RPLND has partially lost its role in favour of active surveillance (for low risk stage I disease) and short cycle chemotherapy in non-seminomatous germ cell tumour (NSGCT). Conversely, postchemotherapy-RPLND (PC-RPLND) remains the standard treatment for residual masses after chemotherapy. In consideration of curability rate of testicular cancer and the life expectancy of testicular cancer survivors the identification and the prevention of andrological complications became fundamental...
November 23, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
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