Academic literature on the topic 'Streak gonads'

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Journal articles on the topic "Streak gonads"

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Verkauskas, Gilvydas, Diana Mačianskytė, Dainius Jančiauskas, Romualdas Preikša, Rasa Verkauskienė, and Francis Jaubert. "Diagnosis and management of 46,XY mixed gonadal dysgenesis and disorder of sexual differentiation." Medicina 45, no. 5 (2009): 357. http://dx.doi.org/10.3390/medicina45050045.

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Objective. We present our experience in diagnosing, gender assignment, and surgical management of sexual ambiguity in 46,XY mixed gonadal dysgenesis. Material and methods. A retrospective study of five cases treated from 2003 to 2006 was performed. Clinical picture, operative findings, testosterone levels, and immunohistochemistry of gonads for the expression of FOXL2, SOX9, AMH, AMHr, C-kit, and PLAP were analyzed. Results. All patients had ambiguous genitalia, urogenital sinus, uterus, testicle on one side, and a streak gonad on the other. Four patients were reared as male and one as female.
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Bergeron, Mélanie Beaulieu, Nicole Lemieux, and Pierre Brochu. "Undifferentiated Gonadal Tissue, Y Chromosome Instability, and Tumors in XY Gonadal Dysgenesis." Pediatric and Developmental Pathology 14, no. 6 (2011): 445–59. http://dx.doi.org/10.2350/11-01-0960-oa.1.

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Patients with XY gonadal dysgenesis are at increased risk of developing gonadal tumors. The etiology of several cases of XY gonadal dysgenesis remains unknown, but X/XY gonadal mosaicism has been hypothesized to play a role. At the histologic level, the presence of persistent primitive sex cords containing immature germ cells in dysgenetic gonads (an entity called undifferentiated gonadal tissue, or UGT) was recently described, and these immature germ cells are thought to be at risk of neoplastic transformation. To further investigate both these aspects, we retrospectively studied the gonads f
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Scolfaro, Márcia Ribeiro, Izilda Aparecida Cardinalli, Eliana Gabas Stuchi-Perez, et al. "Morphometry and Histology of Gonads From 13 Children With Dysgenetic Male Pseudohermaphroditism." Archives of Pathology & Laboratory Medicine 125, no. 5 (2001): 652–56. http://dx.doi.org/10.5858/2001-125-0652-mahogf.

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Abstract Background.—Dysgenetic male pseudohermaphroditism (DMP) is a sexual differentiation disorder characterized by bilateral dysgenetic testes, persistent müllerian structures, and cryptorchidism in individuals with a 46,XY karyotype. However, the histologic criteria for the diagnosis of DMP are poorly established. Objective.—To determine gonadal histology in children with DMP. Patients and Methods.—Between 1996 and 1998, 13 patients with DMP were evaluated on our service. The clinical diagnosis of DMP was based on a 46,XY karyotype, sex ambiguity, high levels of follicle-stimulating hormo
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Trainavičius, Ignas, Darius Dasevičius, Birutė Burnytė, Robertas Kemežys, and Gilvydas Verkauskas. "Early Bilateral Gonadoblastoma in a Patient with Mixed Gonadal Dysgenesis (Karyotype 45,X/46,XY): Case Report and Review of Literature." Acta medica Lituanica 29, no. 2 (2022): 5. http://dx.doi.org/10.15388/amed.2022.29.2.5.

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Background: Mixed gonadal dysgenesis is a rare congenital and challenging condition, characterized mainly by 45,X/46,XY karyotype mosaicism, asymmetrical gonadal development and various internal and external genital anatomy. Because of frequent disorder of genital development and a higher risk of germ cell neoplasia, management of these patients is complex and requires multidisciplinary approach.Case: We present a 45,X/46,XY mixed gonadal dysgenesis patient diagnosed with gonadoblastoma in both gonads after bilateral gonadectomy at 1 year of age.Conclusions: Because of high risk for malignant
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Doherty, Leo F., and Beth W. Rackow. "Abnormal streak gonads in 46,XY complete gonadal dysgenesis." Fertility and Sterility 96, no. 6 (2011): 1415–16. http://dx.doi.org/10.1016/j.fertnstert.2011.09.041.

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Sundaram, Vindhiya Kadambavana, Sundari Subramanian, Lakshmi Charan Chinumuthu, and Aishwarya Dharmanathan. "Frasier syndrome: A rare syndrome with WT-1 gene mutation." International Journal of Contemporary Pediatrics 4, no. 3 (2017): 1101. http://dx.doi.org/10.18203/2349-3291.ijcp20171736.

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Frasier syndrome is a rare disorder of sex development. It is caused by mutation in Wilms’ tumor suppressor gene (WT-1) located in 11p23. This gene encodes a transcription factor involved in the development of kidney and gonads. The syndrome is characterized by female external genitalia in 46, XY patients, streak gonads with a higher risk of gonadal tumors, mainly gonadoblastoma. Nephropathy consists of nephrotic syndrome (NS) mainly due to focal segmental glomerular sclerosis (FSGS). NS presents early in childhood and responds poorly to steroid and immunosuppressive agents. Progression to End
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Eapen, Anu, Anuradha Chandramohan, Betty Simon, Tharani Putta, Reetu John, and Aruna Kekre. "Imaging Evaluation of Disorders of Sex Development." Journal of Gastrointestinal and Abdominal Radiology 03, no. 02 (2020): 181–92. http://dx.doi.org/10.1055/s-0039-3402101.

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AbstractDisorders of sex development (DSD) refer to congenital conditions with a typical development of chromosomal, gonadal, or anatomic sex. In the revised classification of DSD, there are three categories based on karyotype: 46,XX DSD; 46,XY DSD; and sex chromosome DSD. Imaging, as part of a multidisciplinary approach to management of DSD, has a key role in gender assignment. The main role of imaging is to help in identifying the gonads and the Müllerian structures. Ultrasound is useful, especially in the neonate with ambiguous genitalia. Magnetic resonance imaging is a useful modality to l
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Monni, Aleya Ferdush, Md Shafikul Islam, Md Faruque Pathan, Feroz Amin, and Faria Afsana. "Primary amenorrhea with Swyer syndrome: a rare case report." BIRDEM Medical Journal 10, no. 2 (2020): 130–32. http://dx.doi.org/10.3329/birdem.v10i2.47745.

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Swyer syndrome with complete gonadal dysgenesis is associated with an absence of testicular differentiation in a phenotypic female with a 46, XY karyotype. The diagnosis is usually made at adolescence when primary amenorrhea is investigated. Here is an interesting case report of 18-year-old unmarried girl, who presented with primary amenorrhea and non-development of breasts. Her body built was musculin with broad shoulders, prominent Adam’s apple and deep voice. Examination of her secondary sexual charaistisctcs revealed no breast development, absent axillary hair and sparse pubic hairs with f
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Mandelberger, A., S. Mathews, V. Andikyan, and L. Chuang. "Laparoscopic Removal of Streak Gonads in Turner Syndrome." Journal of Minimally Invasive Gynecology 22, no. 6 (2015): S15. http://dx.doi.org/10.1016/j.jmig.2015.08.048.

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Mandelberger, Adrienne, Shyama Mathews, Vaagn Andikyan, and Linus Chuang. "Laparoscopic Removal of Streak Gonads in Turner Syndrome." Journal of Minimally Invasive Gynecology 23, no. 7 (2016): 1025. http://dx.doi.org/10.1016/j.jmig.2016.04.005.

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Books on the topic "Streak gonads"

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Maeng, Lisa Y., and Mohammed R. Milad. PTSD in Women. Edited by Frederick J. Stoddard, David M. Benedek, Mohammed R. Milad, and Robert J. Ursano. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190457136.003.0016.

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This chapter focuses primarily on the influence of female sex as a risk factor for posttraumatic stress disorder (PTSD). Prevalence rates suggest that women are especially vulnerable to developing PTSD. Despite changes in diagnostic criteria and examination across varied populations, the prevalence of PTSD remains consistently twice as high in women as men. This chapter examines sex differences in both incidence and presentation of PTSD. It then moves to a discussion of the neurobiological factors of PTSD in women, further examining stress and fear regulation mechanisms and the circuitry that
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Jürimäe, Jaak. Hormones and training. Edited by Neil Armstrong and Willem van Mechelen. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198757672.003.0033.

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Physical exercise regulates energy balance and is important to growth and maturation. These processes are regulated by the endocrine system. Endocrine mechanisms in the response to sport training include growth hormone-insulin-like growth factor-1 (GH-IGF-1), hypothalamic-pituitary-gonadal and hypothalamic-pituitary-adrenal axes, and peripheral markers of energy homeostasis. Physical performance is associated with anabolic adaptations of the GH-IGF-1 system in child athletes alongside spontaneous growth, while heavy training does not affect basal testosterone levels. In female adolescent athle
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Book chapters on the topic "Streak gonads"

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Nistal, Manuel, Pilar González-Peramato, and Álvaro Serrano. "Clinical Syndromes Associated with Streak Gonads with Epithelial Cords." In Clues in the Diagnosis of Non-tumoral Testicular Pathology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49364-0_3.

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Ahokas, Antti, Jutta Kaukoranta, Kristian Wahlbeck, and Marjatta Aito. "Relevance of Gonadal Hormones to Perinatal Mood and Anxiety Disorders." In Perinatal Stress, Mood and Anxiety Disorders. KARGER, 2005. http://dx.doi.org/10.1159/000087546.

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Butler, Gary, and Jeremy Kirk. "Differences of sex development (DSD)." In Paediatric Endocrinology and Diabetes. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198786337.003.0011.

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• Embryology: the gonad is initially bipotential. • The testes develop under active control of SRY and other genes. Disorders of sex development (DSDs) are classified according to the karyotype: • 46,XY DSD (incomplete masculinization of a male fetus): ◦ The commonest cause is androgen insensitivity syndrome (AIS): ■ mutations in androgen receptor (AR) gene on X chromosome in complete forms ■ alterations in androgen binding in partial forms. ◦ Abnormalities of testosterone synthesis and conversion, may be: ■ isolated, e.g. 17β‎HSD, 5α‎RD ■ occur in association with defects in steroid biosynthe
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Nalbandyan, Ruzanna, and Nawal E. Ragheb-Mueller. "Anatomy of the Endocrine System." In Advanced Anesthesia Review, edited by Alaa Abd-Elsayed. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/med/9780197584521.003.0183.

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Abstract The endocrine system consists of a collection of glands that secrete a variety of hormones. These hormones travel to specific target organs via the bloodstream and regulate many vital functions of the body, including metabolism, reproduction, growth and development, response to injury, stress, and mood. The integral parts of the endocrine system are the hypothalamus, pituitary gland, thyroid gland, parathyroids, pineal gland, endocrine pancreas (islets of Langerhans), adrenal glands, and gonads (ovaries and testes). Hormonal regulation of the glands is via neural regulation or by feed
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Berga, Sarah L. "Disorders of Gonadotropin Secretion." In Oxford Textbook of Endocrinology and Diabetes 3e, edited by John A. H. Wass, Wiebke Arlt, and Robert K. Semple. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198870197.003.0155.

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Gonadal function sufficient to support gametogenesis requires appropriate gonadotropin-releasing hormone (GnRH) input to drive appropriate pituitary secretion of LH and FSH. Alterations in GnRH drive either cause or reflect gonadal dysfunction. Hypothalamic hypogonadism in men and women results from functional, theoretically reversible, reductions in GnRH drive that are linked to stress, that is, cognitions and behaviours that activate the limbic hypothalamic–pituitary–adrenal axis. Common manifestations of insufficient GnRH drive in women include anovulation and amenorrhea. Amelioration of ad
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"Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques." In Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques, edited by Edie Marsh-Matthews and William J. Matthews. American Fisheries Society, 2010. http://dx.doi.org/10.47886/9781934874141.ch23.

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<em>Abstract</em>.—Using artificial stream mesocosms, we conducted two experiments in consecutive summers to examine proximate and residual effects of simulated drought on survivorship, body size, condition, and reproduction of fishes common in southern Oklahoma streams. In summer 2000, we examined proximate effects on central stonerollers <em>Campostoma anomalum</em>, bigeye shiners <em>Notropis boops</em>, black-stripe topminnow <em>Fundulus notatus</em>, longear sunfish <em>Lepomis megalotis</em>, and orange-throat darters <em&g
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Dumas, Alexandre. "XLIX the riot." In Twenty Years After. Oxford University Press, 2008. http://dx.doi.org/10.1093/owc/9780199537266.003.0050.

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It was nearly eleven at night. Gondy had not gone a hundred yards in the streets of Paris before he perceived that a strange change had taken place. The whole city seemed inhabited by fantastic beings; silent shadows were seen removing the street-paving, others...
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González-Alvarez, María Estefanía, Zöe E. Kiefer, Jamie M. Studer, Jason W. Ross, and Aileen F. Keating. "Understanding ovarian function in pigs." In Burleigh Dodds Series in Agricultural Science. Burleigh Dodds Science Publishing Limited, 2025. https://doi.org/10.19103/as.2024.0137.13.

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This chapter summarizes the basic physiology of porcine female reproduction, including: ovarian structure and function, ovarian follicle development (folliculogenesis), the role of the corpus luteum in the establishment and maintenance of pregnancy, biosynthesis of steroid hormones (steroidogenesis) and the role of the hypothalamic-pituitary-gonadal (HPG) axis in regulating reproduction. It also describes stages of the porcine estrous cycle as well as puberty and gilt development. The chapter goes on to discuss a range of environmental factors which can impair reproductive performance, includi
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Jürimäe, Jaak. "Markers of training stress and overtraining." In Oxford Textbook of Children's Sport and Excercise Medicine 4e, edited by Neil Armstrong and Willem van Mechelen. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/med/9780192843968.003.0037.

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Abstract Monitoring training is important in order to follow normal growth and maturation and to avoid possible overtraining in youth athletes. Overtraining is not a single condition but rather a continuum of related factors such as functional overreaching, non-functional overreaching, and overtraining syndrome. The monitoring process should follow a multilevel approach and include specific psychometric and hormonal markers in addition to performance assessment on a regular basis in growing athletes. In psychometric monitoring, stress and recovery should be measured simultaneously, and monitor
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Armeni, Eleni, Ashley B. Grossman, and Bernard Khoo. "Effect of Opioids on Adrenal and Reproductive Endocrinology." In Oxford Textbook of Endocrinology and Diabetes 3e, edited by John A. H. Wass, Wiebke Arlt, and Robert K. Semple. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198870197.003.0211.

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Endogenous opioids and opioid receptors play key neuroendocrinological roles in regulating the body’s response to stress and pain. As part of this function, endogenous opioids regulate the hypothalamo–pituitary–adrenal (HPA), hypothalamo—pituitary–gonadal axes (HPG) axes and posterior pituitary function. Exogenous opioids have been used from ancient times as analgesics but have a well-known addictive potential. Opiate dependency is now a widespread global problem, driven by the easy availability of both prescribed and illegal opiates. As a consequence, the endocrine complications from opiates
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Conference papers on the topic "Streak gonads"

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Sarkar, Riya, Dibya Pal, Prabal Ghosh, Shibani Das, Pampa Lohar, and Debidas Ghosh. "Remedial Effect of Curcuma Amada Rhizomes on Steptozotocin Induced Diabetes Linked Oxidative Stress Mediated Male Gonadal Dysfunctions in Albino Rat: Pre-Treatment or Pre-Treatment Cum Co-Treatment Study." In 2024 15th International Conference on Computing Communication and Networking Technologies (ICCCNT). IEEE, 2024. http://dx.doi.org/10.1109/icccnt61001.2024.10724657.

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