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Puberty precocis

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https://www.readbyqxmd.com/read/29777468/van-wyk-grumbach-syndrome-a-rare-consequence-of-hypothyroidism
#1
Pavan Reddy, Kritika Tiwari, Abhishek Kulkarni, Ketan Parikh, Raju Khubchandani
Long standing hypothyroidism presenting as an ovarian mass has been well described in literature as the Van Wyk Grumbach syndrome (hypothyroidism, isosexual precocious puberty and ovarian mass). Here, authors report this entity in a 11 y 7 mo old girl child who was referred to a surgeon in view of intestinal obstruction along with a multiloculated ovarian cyst. On evaluation, she was found to have raised serum creatinine, short stature, delayed bone age and pituitary enlargement. She was diagnosed with autoimmune thyroiditis and was started on replacement therapy with thyroxine, after which the ovarian cysts regressed...
May 19, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29771761/genetics-of-pubertal-timing
#2
Jia Zhu, Temitope O Kusa, Yee-Ming Chan
PURPOSE OF REVIEW: To summarize advances in the genetics underlying variation in normal pubertal timing, precocious puberty, and delayed puberty, and to discuss mechanisms by which genes may regulate pubertal timing. RECENT FINDINGS: Genome-wide association studies have identified hundreds of loci that affect pubertal timing in the general population in both sexes and across ethnic groups. Single genes have been implicated in both precocious and delayed puberty...
May 15, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29763903/central-precocious-puberty-caused-by-a-heterozygous-deletion-in-the-mkrn3-promoter-region
#3
Delanie Macedo, Monica M França, Luciana Montenegro, Marina Cunha-Silva, Danielle S Bessa, Ana Paula Abreu, Ursula B Kaiser, Berenice B Mendonca, Alexander A L Jorge, Vinicius N Brito, Ana C Latronico
<br>Context: Loss-of-function mutations in the coding region of MKRN3, a maternally imprinted gene at chromosome 15q11.2, are a common cause of familial central precocious puberty (CPP). Whether MKRN3 alterations in regulatory regions can cause CPP has not been explored to date. We aimed to investigate potential pathogenic variants in the promoter region of MKRN3 in patients with idiopathic CPP. Patients/ Methods: A cohort of 110 patients with idiopathic CPP was studied. Family history of precocious sexual development was present in 25%...
May 15, 2018: Neuroendocrinology
https://www.readbyqxmd.com/read/29750651/predictors-of-bone-maturation-growth-rate-and-adult-height-in-children-with-central-precocious-puberty-treated-with-depot-leuprolide-acetate
#4
Karen O Klein, Sanja Dragnic, Ahmed M Soliman, Peter Bacher
BACKGROUND: Children with central precocious puberty (CPP) are treated with gonadotropin-releasing hormone agonists (GnRHa) to suppress puberty. Optimizing treatment outcomes continues to be studied. The relationships between growth, rate of bone maturation (bone age/chronological age [ΔBA/ΔCA]), luteinizing hormone (LH), predicted adult stature (PAS), as well as variables influencing these outcomes, were studied in children treated with depot leuprolide (LA Depot) Methods: Subjects (64 girls, seven boys) with CPP received LA Depot every 3 months for up to 42 months...
May 11, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29715194/trends-in-the-use-of-puberty-blockers-among-transgender-children-in-the-united-states
#5
Carla Marisa Lopez, Daniel Solomon, Susan D Boulware, Emily R Christison-Lagay
BACKGROUND: The objective of the study was to identify national trends in the utilization of histrelin acetate implants among transgender children in the United States. METHODS: We analyzed demographic, diagnostic and treatment data from 2004 to 2016 on the use of histrelin acetate reported to the Pediatric Health Information System (PHIS) to determine the temporal trends in its use for transgender-related billing diagnoses, e.g. "gender identity disorder"...
May 1, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29708396/evaluation-of-characteristics-of-the-craniofacial-complex-and-dental-maturity-in-girls-with-central-precocious-puberty
#6
Hee-Kyung Lee, Sung-Hwan Choi, Dong Fan, Kyung-Mi Jang, Min-Seon Kim, Chung-Ju Hwang
OBJECTIVES: To identify unique characteristics of the craniofacial complex and dental maturity in girls with central precocious puberty (CPP). MATERIALS AND METHODS: This study included 34 Korean girls with idiopathic CPP (mean age, 8.6 ± .5 years) and 28 normal healthy girls of the same chronological age. An initial evaluation of the growth pattern of the craniofacial complex and dental maturity was conducted by analyzing lateral cephalometric and panoramic radiographs...
April 30, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29687783/subnormal-growth-velocity-and-related-factors-during-gnrh-analog-therapy-for-idiopathic-central-precocious-puberty
#7
Nursel Muratoğlu Şahin, Asiye Uğraş Dikmen, Semra Çetinkaya, Zehra Aycan
OBJECTIVE: Decline of subnormal growth velocity(GV) and related factors during gonadotropin-releasing hormone analog(GnRHa) therapy for idiopathic central precocious puberty(ICPP) are unclear. We investigated the incidence of subnormal growth velocity, associated factors in patients with GnRHa therapy for ICPP. METHODS: In this retrospective cohort study, the records of 50 girls were investigated, who had diagnosed ICPP and had started GnRHa treatment before the age of 8...
April 24, 2018: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/29682070/capsuloganglionic-germinoma-a-rare-site-for-uncommon-childhood-tumor
#8
Kuntal Kanti Das, Jeena Joseph, Amit Kumar Singh, Pradeep Sharma, Jayesh Sardhara, Kamlesh Singh Bhaisora, Anant Mehrotra, Arun Kumar Srivastava, Sushila Jaiswal, Rabi Narayan Sahu, Awadhesh Kumar Jaiswal, Sanjay Behari
Germ cell tumors (GCTs) are rare intracranial tumors with a strong predilection for children. Commonly, these tumors arise either in the suprasellar or the pineal region. The basal ganglia-thalamus complex represents a rare site of nonmidline intracranial GCTs. Such basal ganglionic GCTs have been reported to produce certain interesting clinico-radiological features, the knowledge of which may provide important diagnostic clues preoperatively. We present the case of a 9.5-year-old boy who presented with right hemiparesis and precocious puberty...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29668480/the-6th-rare-disease-south-eastern-europe-see-meeting-skopje-macedonia-november-11th-2017
#9
Zoran Gucev, Velibor Tasic, Momir Polenakovic
The sixth SEE meeting on rare diseases (RDs) was held in MASA the November 10th, 2017. A block of lectures on rare renal diseases started the meeting: nephrotic syndrome, Alport syndrome, atypical HUS, hypophosphatemic rickets, CAKUT were presented in all complexities. Their molecular and genetic mechanisms were discussed. The discovery of a dozen of newly genes in CAKUT, congenital overgrowth, spodilocostal dysplasia, precocious puberty has been done with collaboration of Macedonian and foreign researchers...
December 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/29650233/bisphenol-a-exposure-and-risk-of-idiopathic-central-precocious-puberty-among-school-aged-girls-in-shanghai-china
#10
Yao Chen, Yingcan Wang, Guodong Ding, Ying Tian, Zhijun Zhou, Xiumin Wang, Lixiao Shen, Hong Huang
BACKGROUND: Bisphenol A (BPA) is a well-known and widely used endocrine disrupter, but data on its effects on childhood reproductive development are limited. OBJECTIVES: We investigated the possible relationship between exposure to BPA and idiopathic central precocious puberty (ICPP) in school-aged girls. METHODS: We conducted a 1:1 matched case-control study in Shanghai, China, between July 2011 and September 2012. This study included 136 school-aged (6 to 9 years old) girls diagnosed with ICPP and 136 controls matched for age and body mass index (BMI)...
April 9, 2018: Environment International
https://www.readbyqxmd.com/read/29649000/review-and-evaluation-of-patient-centered-psychosocial-assessments-for-children-with-central-precocious-puberty-or-early-puberty
#11
REVIEW
Valerie S L Williams, Ahmed M Soliman, Amy M Barrett, Karen O Klein
The objective of this study was to assess the current use of patient-centered psychosocial assessments for the evaluation of children with central precocious puberty (CPP). Studies evaluating the psychosocial impact of CPP were identified through searches of the PubMed and Cochrane Library databases, ClinicalTrials.gov, a drug prescribing information database, and regulatory websites. Studies were screened using prespecified inclusion and exclusion criteria. Potentially relevant patient-centered outcome assessments (including patient-, parent- or observer-reported measures) used in the identified studies were evaluated in detail for their relevance in CPP...
April 12, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29629701/peripheral-precocious-puberty-caused-by-human-chorionic-gonadotropin-producing-pineal-gland-tumor
#12
S K Hammadur Rahaman, Deepak Khandelwal, Rajesh Khadgawat, Devasenathipathy Kandasamy, Sameer Bakhshi
BACKGROUND: Pineal gland lesions usually present with central precocious puberty. CASE CHARACTERISTICS: A 3½-yr-old boy presented with precocious puberty. Clinically and biochemically, it was gonadotropin releasing hormone (GnRH) independent. Serum and CSF beta-hCG levels were increased. Thin section magnetic resonance imaging of brain revealed a pineal gland tumor. OUTCOME: He received chemotherapy followed by radiotherapy and responded well...
March 15, 2018: Indian Pediatrics
https://www.readbyqxmd.com/read/29614125/the-prevalence-of-brain-abnormalities-in-boys-with-central-precocious-puberty-may-be-overestimated
#13
Jong Seo Yoon, Cheol Hwan So, Hae Sang Lee, Jung Sub Lim, Jin Soon Hwang
Brain magnetic resonance imaging (MRI) is routinely performed to identify brain lesions in boys with central precocious puberty (CPP). We investigated the prevalence of CPP in Korean boys and the necessity for routine brain MRI examinations. This retrospective cross-sectional study was conducted from April 2003 to December 2016 at a Korean university hospital. Among 151 boys who were diagnosed with CPP, the data of 138 boys who underwent sellar MRI were evaluated. The mean age of the study subjects was 9.51 ± 0...
2018: PloS One
https://www.readbyqxmd.com/read/29609441/longitudinal-follow-up-to-near-final-height-of-auxological-changes-in-girls-with-idiopathic-central-precocious-puberty-treated-with-gonadotropin-releasing-hormone-analog-and-grouped-by-pretreatment-body-mass-index-level
#14
Jongho Park, Tae Ho Hwang, Yong-Dae Kim, Heon-Seok Han
PURPOSE: Reported changes in body mass index (BMI) in central precocious puberty (CPP) during and after gonadotropin-releasing hormone analog (GnRHa) treatment are inconsistent. We, therefore, investigated auxological parameters in GnRHa-treated girls with idiopathic CPP (ICPP) until attainment of near final height (NFH). METHODS: From the medical records of 59 ICPP girls who attained NFH after GnRHa therapy, auxological changes were compared between overweight (BMI≥85th percentile) and normal-weight (BMI<85th percentile) groups...
March 2018: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29599748/polyostotic-fibrous-dysplasia-with-and-without-mccune-albright-syndrome-clinical-features-in-a-nordic-pediatric-cohort
#15
Pauliina Utriainen, Helena Valta, Sigridur Björnsdottir, Outi Mäkitie, Eva Horemuzova
Objective: Fibrous dysplasia (FD) presents as skeletal lesions in which normal bone is replaced by abnormal fibrous tissue due to mosaic GNAS mutation. McCune-Albright syndrome (MAS) refers to FD combined with skin (café-au-lait) and endocrine manifestations. This study describes the clinical childhood manifestations of polyostotic FD and MAS in a Nordic cohort. Patients and design: We retrospectively reviewed a cohort of pediatric patients ( n  = 16) with polyostotic FD with or without MAS diagnosed and followed in two Nordic Pediatric tertiary clinics between 1996 and 2017...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29595688/herbal-medicine-for-idiopathic-central-precocious-puberty-a-protocol-for-a-systematic-review-of-controlled-trials
#16
Hye Lim Lee, Yoo Been Lee, Jun-Yong Choi, Ju Ah Lee
BACKGROUND: Herbal medicine is widely used in East Asia to treat idiopathic central precocious puberty (ICPP). Most of the available clinical trials that investigated herbal medicine for ICPP have been included in this review. This systematic review will assess the efficacy and safety of herbal medicine for ICPP. METHODS: Eleven databases, including Asian databases, will be searched for studies conducted through 2018. We will include randomized controlled trials assessing herbal medicine for ICPP...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29593790/association-between-dietary-patterns-and-precocious-puberty-in-children-a-population-based-study
#17
Chang Chen, Yao Chen, Yunting Zhang, Wanqi Sun, Yanrui Jiang, Yuanjin Song, Qi Zhu, Hao Mei, Xiumin Wang, Shijian Liu, Fan Jiang
Objective: The aim of the present study was to investigate the association between dietary patterns and precocious puberty among Shanghai children. Methods: A cross-sectional study was conducted among Shanghai children by multistage stratified cluster random sampling in June 2014. Diet was assessed using a simplified food frequency questionnaire (FFQ). Height, weight, and Tanner stages of breast development, pubic hair growth, and testicular volume were carefully measured...
2018: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29554024/a-multicenter-retrospective-review-of-pediatric-leydig-cell-tumor-of-the-testis
#18
Taylor M Luckie, Matthew Danzig, Shengmei Zhou, Hao Wu, Nicholas G Cost, Lefkothea Karaviti, Rajkumar Venkatramani
Leydig cell tumors (LCTs) are rare tumors arising from testosterone-producing Leydig cells. Although LCTs are usually benign, malignancy has been reported in 10% of cases in adults, and local recurrence or metachronous tumors of the contralateral testis have been described. Radical orchiectomy is the current standard of care. We report on 12 children with LCT at 3 institutions between 2000 and 2016. Presenting symptoms included precocious puberty, palpable testicular mass, and scrotal swelling. Radical orchiectomy was performed in 9 patients...
March 16, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29546931/-granulosa-cell-ovarian-tumor-precocious-puberty-in-infant-less-than-1-year-of-age-case-report
#19
Patricia Lacourt, Julio Soto, Hana Rumié, Roger Gejman, Juan Carlos Pattillo, Cristián García, Hernán García
INTRODUCTION: Juvenile granulosa cell tumors (JGCT) are very rare, especially in infants under the age of one. The most frequent presentation is with signs of precocious puberty. OBJECTIVE: Present an in fant with peripheral precocious puberty, diagnosis of JGCT and follow up. CLINICAL CASE: 10-month-old female infant with thelarche, pubic hair and palpable abdominal mass accompanied with eleva ted levels of estradiol, very low gonadotrophins and images that show a very large ovarian mass...
December 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/29546798/metastatic-choriocarcinoma-masquerading-as-a-congenital-glabellar-hemangioma
#20
Steve Taylor, Kimberly Eisenstein, Vanessa Gildenstern, Harper Price, Pooja Hingorani, Apurvi Patel, Nathan Page, Smita Bailey, David Carpentieri
Infantile choriocarcinoma (ICC) is a rare, highly malignant form of gestational trophoblastic neoplasia. Rapid diagnosis and initiation of treatment are paramount in reaching a successful outcome. Patients with these tumors typically present with a triad of anemia, hepatomegaly, and precocious puberty. Cutaneous manifestations of ICC are extraordinarily rare with few documented cases. Here, we describe a male neonate who presented to our Dermatology clinic with a rapidly growing, markedly vascular glabellar mass associated with abnormal laboratory values suggestive of Kasabach-Merritt phenomenon...
January 1, 2018: Pediatric and Developmental Pathology
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