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Background: A biopsychosocial approach to the understanding of pelvic pain is increasingly acknowledged. However, there is a lack of standardised instruments - or their use - to assess risk factors and their impact on pelvic pain in both clinical and research settings. This review aims to identify validated tools used to assess known contributory factors to pelvic pain, as well as the validated tools to measure the impact of pelvic pain in adolescents and young adults, in order to provide a framework for future standardised, adolescent specific assessment and outcome tools., Methods: Literature searches were performed in MEDLINE, PsycInfo and PubMed. Search terms included pelvic pain, dysmenorrhoea, endometriosis, adolescent, pain measurement, quality of life, sleep, mental health, coping strategies and traumatic experience., Results: We found validated instruments to assess adverse childhood experiences and coping strategies, both known contributing factors to pelvic pain. The impact of pain was measured through validated tools for health-related quality of life, mental health and sleep., Conclusions: Pelvic pain evaluation in adolescents should include a multi-factorial assessment of contributing factors, such as childhood adversity and coping strategies, and impacts of pelvic pain on quality of life, mental health and sleep, using validated instruments in this age group. Future research should focus on the development of consensus amongst researchers as well as input from young women to establish a standardised international approach to clinical trials involving the investigation and reporting of pelvic pain in adolescents. This would facilitate comparison between studies and contribute to improved quality of care delivered to patients.

Adolescence is a vulnerable period for mental health. It is not easy to make a precise diagnosis during this period, as young people may present attenuated forms of psychiatric pathology, or on the contrary, a combination of several types of difficulties. Adopting a transdiagnostic and dimensional approach, based on clinical stages, and thus proposing interventions adapted to the severity of symptoms, is pertinent. As emotional dysregulation lies at the heart of many pathologies, it is a prime target for early intervention. Although interventions for adolescents are still underdeveloped, certain approaches derived from cognitive-behavioral therapies and the psychodynamic current have been adapted for adolescents and appear promising., Competing Interests: Les auteurs n’ont déclaré aucun conflit d’intérêts en relation avec cet article.

Study Objective: To explore the role of progestins as potential contributing factors for the development of hepatocellular adenoma (HA) METHODS: We describe 3 cases of adolescents and young adults who developed HA while on norethindrone (NET), as well as their management. In addition, we provide a comprehensive literature review on the association between progestins and HA., Results: Since 1983, 16 cases of HA in patients on progestins have been reported. Ten patients were on NET and 5 on a prodrug of NET (4 on norethindrone acetate [NETA] and 1 on lynestrenol). One individual had a norgestrel implant. Eight subsequently ceased all hormones: 4 experienced a size reduction, and 3 had complete resolution of their HA. Among our patients, 1 ceased NET and instead had a levonorgestrel intrauterine device inserted, and another swapped from NET to oral medroxyprogesterone acetate. Both experienced complete resolution of their HA. The third ceased NET and underwent a hysterectomy, with size reduction of her HA., Conclusion: These cases and the literature review suggest an association between progestin exposure, in particular NET and its prodrugs, and the development of HA. The pathophysiology is unknown but may include peripheral conversion of NET and NETA to ethinyl estradiol or a specific action of 19-nortestosterone derivatives on hepatocytes, especially those with higher systemic doses compared with the levonorgestrel intrauterine device. There are no case reports relating to other forms of progestins, such as 17-hydroxyprogesterone, which may be important when considering alternative therapeutic options in females requiring effective menstrual management who have comorbidities., Competing Interests: Conflicts of Interest The authors report no conflicts of interest., (Copyright © 2023. Published by Elsevier Inc.)

Study Objective: Few studies have explored what specific outcome measures contained in assessment tools for period and pelvic pain are most relevant to adolescents. Co-design is a valuable method of ensuring input from those with lived experience. The Longitudinal Study of Teenagers with Endometriosis Periods and Pelvic Pain in Australia (LongSTEPPP) Co-Design Periods Survey comprised an anonymous online survey of adolescents' experience of menstruation to inform patient-reported outcome measures for the larger 5-year project., Methods: Adolescents aged 12-18 years whose periods had commenced at least 3 months previously and with demonstrated capacity to consent were invited to participate in an online survey. Recruitment was primarily via social media channels., Results: Of the 1811 adolescents who participated, 85% reported that periods had a "moderate" or greater impact on their life. Pain (90.7%), heavy flow (56.2%), and worry about leakage (49%) were common reasons for missed activities. Menstrual symptoms were wide-ranging and included cramping, nausea, poor energy, and impacts on mood. When asked where adolescents sought assistance with their periods, 39.8% had seen their general practitioner, 21.3% their school nurse, and almost 1 in 10 had consulted a mental health practitioner (9.3%). To manage menstrual symptoms, heat packs (66.0%), over-the-counter medications (55.8%), and prescription medications (28.6%) were used., Conclusion: We found a lack of menstrual health awareness in adolescents. Periods had a significant effect on their lives, and adolescents commonly missed activities. In managing menstruation, a wide range of practitioners were consulted. Nearly a third were prescribed medication to manage their periods. These findings have directed the longitudinal study as to how best to capture outcome measures that reflect the impact of periods on adolescents., Competing Interests: Conflicts of Interest The authors have no conflicts of interest to declare., (Copyright © 2023. Published by Elsevier Inc.)

Objective: To investigate the prevalence, nature, and effectiveness of menstrual suppression in transgender and gender-diverse (TGD) adolescents, and to explore whether there is an association between menstrual suppression and mental health in this population., Methods: A cross-sectional study was performed of TGD adolescents assigned female at birth attending their first appointment at a specialist pediatric gender service between February 2017 and December 2021. Demographic and mental health data were collected using a questionnaire at the time of first visit, and information regarding menstrual suppression at this time was retrieved from the medical record., Results: A total of 530 TGD individuals were included; 131 (24.7%) were on menstrual suppression at their initial visit, mainly to help alleviate gender dysphoria. Combined oral contraceptive pills were the most common agent used (n=61, 46.6%), followed by norethindrone (n=39, 29.8%) and intramuscular medroxyprogesterone (n=19, 14.5%). Rates of effectiveness (in stopping menstruation) and patient satisfaction were high. Among the 399 individuals not on menstrual suppression, there was strong interest in starting this treatment. No differences in the risk of gender dysphoria, depression, or anxiety were observed between those who were receiving menstrual suppression and those who were not., Conclusion: Effectiveness of and satisfaction with menstrual suppression were high in TGD adolescents receiving this treatment. These findings support the routine exploration and management of menstrual health in TGD adolescents. However, menstrual suppression was not associated with any difference in gender dysphoria, depression, or anxiety symptoms in this cross-sectional study, and longitudinal studies are required to better investigate this., Competing Interests: Financial Disclosure Sonia Grover reports money was paid to her institution from the government of Australia with a research grant related to period and pelvic pain. Ken C. Pang received payment from the Pediatric Endocrine Society. The other authors did not report any potential conflicts of interest., (Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc.)

Research Question: Is there potential for the detection of neuroblastoma malignancy in testicular tissue extracted for fertility preservation for prepubertal boys at the time of tissue freezing?, Design: This is a case report., Results: A boy was diagnosed with primary localized left adrenal neuroblastoma, with complete resection of the tumour. During 6 months' surveillance, he developed a relapse in the left para-renal region with progression of molecular and chromosomal features into undifferentiated neuroblastoma. Before highly gonadotoxic treatment, testicular biopsy for fertility preservation was taken, from a clinically normal testis. Histopathological examination of the testicular biopsy revealed metastatic neuroblastoma., Conclusions: Metastatic neuroblastoma detected histologically in a clinically normal testis highlights the importance of routine histological examination at the time of testicular cryopreservation. The histological evaluation of gonadal tissue for potential malignant contamination before freezing should be mandatory, regardless of the malignancy diagnosis. Advances in sensitive molecular detection and in-vitro maturation are critically required to decrease future risk of disease recurrence in both solid and haematological malignancies., (Copyright © 2023 Reproductive Healthcare Ltd. All rights reserved.)

The exposure to adverse childhood experiences has been associated with the subsequent development of several chronic health conditions, including pelvic pain. Endometriosis is a chronic disease characterized by the growth of endometrial-like tissue outside of the uterus, and is considered a common cause of chronic pelvic pain and infertility in reproductive-age women. However, the topic of pelvic pain and endometriosis is fraught with many challenges. This applies not just to clinical practice but also to research where many inconsistencies relating to pelvic pain and endometriosis definitions are encountered. A review was carried out for articles exploring the association of adverse childhood experiences and endometriosis. Studies addressing self-reported endometriosis suggested a relationship with childhood adversity, whilst papers relying on surgically diagnosed lesions of endometriosis irrespective of clinical presentation did not. This highlights the potential bias associated with the inconsistent use of the expression "endometriosis" in research., Competing Interests: Declaration of Competing Interest The authors report no conflict of interest., (Copyright © 2023 The Authors. Published by Elsevier Masson SAS.. All rights reserved.)

Aim: The aim of this study was to describe the clinical features and investigations of vaginal bleeding in prepubertal children., Methods: We performed a retrospective case series of children under the age of 10 who presented with vaginal bleeding to our institution between 2018 and 2019., Results: There were 32 cases identified during the timeframe, with a mean age of 5.5 years (standard deviation 3.2 years, range 5.5 days to 9.6 years). Vulvovaginitis was the most common diagnosis (n = 12, 37.5%), followed by precocious puberty (n = 5, 15.6%). Uncommon but serious causes were vaginal rhabdomyosarcoma (n = 1), and sexual abuse (one patient presenting with gonorrhoea and one with a non-accidental injury). Vaginoscopy was performed in nine patients (28.1%) for various reasons, and a vaginal foreign body was identified in two patients (6.3%). All the patients who had a serious cause of bleeding (neoplasm or sexual assault) or who required specific treatment (precocious puberty, lichen sclerosus, urethral prolapse) presented with red flags on history and/or examination: recurrent episodes of vaginal bleeding, heavy bleeding, associated general symptoms (poor feeding and growth), presence of thelarche, abdominal mass, associated profuse vaginal discharge and abnormal genital examination (skin changes, urethral prolapse or protruding mass from the vagina)., Conclusions: A thorough history-taking and clinical examination aiming at identifying red flags may help to discriminate between benign causes of vaginal bleeding, where no further investigations are indicated, and alternative diagnoses with a poor outcome and/or requiring specific treatment and additional investigations., (© 2023 The Authors. Journal of Paediatrics and Child Health published by John Wiley & Sons Australia, Ltd on behalf of Paediatrics and Child Health Division (The Royal Australasian College of Physicians).)

Background: Pelvic pain is a common complaint among individuals assigned female at birth. However, few studies have explored pelvic pain among transmasculine patients on gender-affirming testosterone treatment, and most of these were performed in adult populations. Aims: The aim of our study was to investigate the prevalence, risk factors, nature and treatment of pelvic pain among trans adolescents on testosterone. Methods: A retrospective cohort study was performed on all trans adolescents started on gender-affirming testosterone treatment at our institution between 2007 and 2020. Results: Among 158 trans adolescents who were started on testosterone therapy and followed-up for at least six months, 37 (23.4%) reported pelvic pain, with a median interval between testosterone initiation and reported onset of pain of 1.6 months (range 0.3-6.4). The prevalence of pelvic pain was higher in patients who were receiving menstrual suppression (n = 36, 26.3%) compared to those who were not (n = 1, 4.8%), giving a risk difference of 21.5% (95% CI 9.8% to 33.2%, p = 0.028). The most common descriptive terms were "cramps" (n = 17, 45.9%) and "similar to previous period pain" (n = 8, 21.6%). A range of different pharmacological strategies were employed, including paracetamol, NSAIDs, danazol, norethisterone, medroxyprogesterone, etonogestrel implant, intra-uterine device, goserelin and pelvic floor physiotherapy, with variable outcomes. Conclusion: In conclusion, we report here - in what is to our knowledge the first time - the prevalence rate of pelvic pain in trans adolescents on gender-affirming testosterone treatment, and observe that a quarter of them described pelvic pain. Limitations of our study include its retrospective nature, which is likely to be associated with under-reporting of pelvic pain, and the limited documentation of the nature and likely causes of this pain within the medical records. Prospective longitudinal studies to better understand the nature, etiology and optimal management of testosterone-associated pelvic pain are therefore warranted., Competing Interests: The authors declare that they have no conflict of interest., (© 2022 The Author(s). Published with license by Taylor & Francis Group, LLC.)

Purpose: Exposure to adverse childhood experiences (ACEs) has been associated with poor health outcomes, including chronic pain. However, little is known about the potential impact on the development of pelvic pain in adolescents and young adults. This systematic review was conducted to explore the association between ACEs and dysmenorrhea, pelvic pain, and dyspareunia in adolescents and young adults., Methods: Medline, Embase, and PsycNET were searched, using keywords related to childhood adversity, dysmenorrhea, pelvic pain, and dyspareunia., Results: Of the 566 articles identified, 19 studies were included. There was an association between the number and severity of ACEs and the risk of dysmenorrhea. Sexual abuse and posttraumatic stress disorder appeared to be associated with dysmenorrhea, pelvic pain, and dyspareunia, but it was unclear whether this relationship was mediated by poorer mental health. No association was found for immigration and bullying, and findings were inconsistent regarding female genital mutilation, parental separation, and parental death., Conclusions: Future research should include longitudinal follow-up and use validated tools to assess childhood adversity. A greater understanding of the risk of ACEs among adolescents and young adults with dysmenorrhea, chronic pelvic pain, and dyspareunia could provide insight into the development of these conditions., Competing Interests: Conflict of Interest Statement The authors report no conflicts of interest., (Copyright © 2022 Elsevier Ltd. All rights reserved.)

Testicular tissue cryopreservation is the only option of fertility preservation in prepubertal boys. While it is considered experimental, since procedures to obtain mature spermatozoa from prepubertal testicular tissue are still under development, testicular tissue cryopreservation programs have emerged worldwide. Our aim was to study the feasibility and safety of a program of testicular tissue cryopreservation in prepubertal and adolescent boys facing gonadotoxic treatment in three University hospitals in Switzerland. Testicular tissue cryopreservation was accepted by 90% of families, with a total of 35 patients included. The average patient age was 8.5 years (range 7 months to 18.5 years). Malignancies were the most common diagnosis (31 patients, 88.6%) with 16 (45.7%) solid tumors and 15 (42.9%) hematological malignancies. Four (11.4%) patients had a benign condition. The main indication for testicular tissue cryopreservation was conditioning for hematologic stem cell transplantation (25 patients, 71.4%). Testicular tissue was cryopreserved according to the freezing protocol of Louvain Catholic University (Belgium), which includes either only immature testicular tissue freezing, or mature and immature testicular tissue freezing depending on the age of the patient and the presence or absence of haploid cells. The median number of spermatogonia per tubule cross-section was 2 (range 0-6) and spermatozoa were found in only one patient. Tumoral cells were found in one testicular biopsy of a leukemic patient. There were two minor adverse events and none of them required medical treatment or surgical revision. Five patients died during follow-up. Our data demonstrate the feasibility and safety of a program of testicular tissue cryopreservation coordinated by a multidisciplinary team of fertility preservation. Despite the experimental aspect of the procedure, the acceptation rate was high, which highlights the willingness of families and patients to participate in testicular tissue cryopreservation., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Moussaoui, Surbone, Adam, Diesch-Furlanetto, Girardin, Bénard, Vidal, Bernard, Busiah, Bouthors, Primi, Ansari, Vulliemoz and Gumy-Pause.)

Coronavirus disease 2019 (COVID-19) is usually less severe in children compared to adults. This study describes detailed clinical characteristics, treatment and outcomes of children with COVID-19 in a non-hospitalised and hospitalised setting and quantifies factors associated with admission to hospital and intensive care unit in children with SARS-CoV-2 infection on a nationwide level. Data were collected through the Swiss Paediatric Surveillance Unit from children < 18 years with confirmed SARS-CoV-2 infection. All 33 paediatric hospitals in Switzerland reported non-hospitalised and hospitalised cases from March 1 to October 31, 2020 during both pandemic peaks. In total, 678 children were included. The median age was 12.2 years (IQR 5.0-14.6), 316 (46.6%) were female and 106 (15.6%) had comorbidities. Overall, 126 (18.6%) children were hospitalised of whom 16 (12.7%) required ICU admission. Comorbidities were the only factor associated with hospital admission in a multivariable regression analysis (odds ratio 3.23, 95%CI 1.89 to 5.50; p-value < 0.01). Children with preexisting comorbidities did not require ICU admission more often. Hospitalised children more often presented with fever (96 [76.2%] vs 209 [38.1%], p-value < 0.01) and rash (16 [12.8%] vs 6 [1.1%], p-value < 0.01). Anosmia/dysgeusia was more prevalent in non-hospitalised children (73 [13.3%] vs 3 [2.4%], p-value < 0.01). In hospitalised children, oxygen treatment was required in 34 (27.0%), inotropes in nine (7.3%) and mechanical ventilation in eight (6.3%) cases. Complications were reported in 28 (4.1%) children with cardiovascular complications being most frequent (12 [1.8%]). Three deaths were recorded.Conclusion: This study confirms that COVID-19 is mostly a mild disease in children. Fever, rash and comorbidities are associated with higher admission rates. Continuous observation is necessary to further understand paediatric COVID-19, guide therapy and evaluate the necessity for vaccination in children. What is Known: • Clinical manifestations of SARS-CoV-2 infection in children vary from asymptomatic to critical disease requiring intensive care unit admission. • Most studies are based on hospitalised children only; currently, there is limited data on non-hospitalised children. What is New: • The clinical spectrum and severity of COVID-19 is influenced by age: in children less than 2 years, fever, cough and rhinorrhoea are the most common symptoms and in adolescents, fever, cough and headache are more common. • Hospitalised children more often presented with fever and rash, while anosmia/dysgeusia is more prevalent in non-hospitalised children. • Children with pre-existing comorbidities are more frequently hospitalised but do not require ICU admission more often., (© 2021. The Author(s).)

Paediatricians may face the notion of 'virginity' in various situations while caring for children and adolescents, but are often poorly prepared to address this sensitive topic. Virginity is a social construct. Despite medical evidence that there is no scientifically reliable way to determine virginity, misconceptions about the hymen and its supposed association with sexual history persist and lead to unethical practices like virginity testing, certificate of virginity or hymenoplasty, which can be detrimental to the health and well-being of females of all ages. The paediatrician has a crucial role in providing evidence-based information and promoting positive sexual education to children, adolescents and parents. Improving knowledge can help counter misconceptions and reduce harms to girls and women., (© 2022 The Authors. Journal of Paediatrics and Child Health published by John Wiley & Sons Australia, Ltd on behalf of Paediatrics and Child Health Division (The Royal Australasian College of Physicians).)

Ovarian failure is a major long-term adverse event following gonadotoxic treatment of malignant diseases. Ovarian tissue cryopreservation can be offered in some conditions to preserve fertility. We report the case of a 13-year-old female with a diagnosis of acute myeloid leukemia, who presented with hypergonadotropic hypogonadism after unilateral ovariectomy for fertility preservation and before highly gonadotoxic treatment. Even though damage seemed only partial, this case suggests that the remaining contralateral ovarian function may be compromised after ovarian tissue cryopreservation, leading per se to a hypergonadotropic hypogonadism. Although indication of ovarian cryopreservation is not called into question in situations of highly gonadotoxic therapy, this procedure should only be performed after evaluation by a specialized multidisciplinary team and provided a solid indication., Competing Interests: Declaration of Competing Interest The authors report no declarations of interest., (Copyright © 2020 The Authors. Published by Elsevier Masson SAS.. All rights reserved.)

Competing Interests: POTENTIAL CONFLICT OF INTEREST: The authors have indicated they have no potential conflicts of interest to disclose.

Competing Interests: Competing interests: None declared.

Split-liver transplantation (LT) allows transplantation of two recipients from one deceased donor, thereby increasing pool of grafts. However, split LT may be hampered by technical problems, and split grafts are still considered suboptimal organs in some centres. We analysed the outcomes in split- and whole-liver recipients in a combined adult-to-paediatric transplantation programme. Records of paediatric and adult patients having undergone LT from 1999 to 2013 were analysed retrospectively. All splits were performed in situ. Adult split-graft recipients were matched 1:2 with whole-graft recipients (matching criteria: BMI, MELD, year of transplantation, age), and matched to the paediatric recipient transplanted from the same donor. Post-LT complications were classified according to the Clavien scale. Among children, 32 split- and 31 whole-graft recipients were analysed. Among adults, 20 split- and 40 matched whole-graft recipients were analysed. In both populations, the post-operative complications did not differ between split- and whole-graft recipients. There was no difference in 1-year graft and patient survival between split- and whole-graft recipients in paediatric (90% vs. 97%, 94% vs. 97%, respectively) and in adult recipients (89% in both, 89% vs. 92%, respectively). In the analysis of both recipients issued from the same donor, there was no association in the prevalence and severity of complications. A case-by-case analysis showed that split mortality was unrelated to LT in all but one patient (small-for-size left split graft). In the setting of careful donor selection, recipient matching and surgical skill, in situ split LT is an effective and safe technique to increase the number of available organs, and split livers should no longer considered marginal grafts., (© 2017 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.)