Terri Chiong, Ho Sheun Ling Madeline, Mark Jean Ann Koh
{"title":"Hypopigmented Patch in a Pediatric Patient.","authors":"Terri Chiong, Ho Sheun Ling Madeline, Mark Jean Ann Koh","doi":"10.1111/pde.16020","DOIUrl":"https://doi.org/10.1111/pde.16020","url":null,"abstract":"","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144675489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Katherine Aw, S Dresden Glockler-Lauf, Dina El Demellawy, Carmen Liy-Wong
{"title":"Trichostasis Spinulosa: A Case Report of an Unusual Presentation in the Groin of a Pediatric Patient on Clonidine.","authors":"Katherine Aw, S Dresden Glockler-Lauf, Dina El Demellawy, Carmen Liy-Wong","doi":"10.1111/pde.16016","DOIUrl":"https://doi.org/10.1111/pde.16016","url":null,"abstract":"<p><p>Trichostasis spinulosa (TS) is a follicular disorder involving the retention of numerous hairs in a dilated follicle, primarily reported in adults. Drug-induced TS and pediatric TS are rarely described in the literature. We report a four-year-old female with an unusual presentation of TS localized in the groin and vulva. Interestingly, the patient's TS seemed to worsen with the introduction of clonidine for her autism spectrum disorder (ASD). The rash improved significantly once clonidine was held, and recurred when clonidine was re-started. This case highlights that TS should be considered in pediatric patients, even in atypical locations, and clonidine may exacerbate TS.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144668156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Angelina Labib, Xochitl Longstaff, Maria Gnarra Buethe, Allison M Han, Katayoon Shayan, Jennifer Picarsic, Somak Roy, Dawn Z Eichenfield
{"title":"Cutaneous Juvenile Xanthogranuloma With MRC1::PDGFRB Gene Fusion: A Case Report.","authors":"Angelina Labib, Xochitl Longstaff, Maria Gnarra Buethe, Allison M Han, Katayoon Shayan, Jennifer Picarsic, Somak Roy, Dawn Z Eichenfield","doi":"10.1111/pde.16037","DOIUrl":"https://doi.org/10.1111/pde.16037","url":null,"abstract":"<p><p>Juvenile xanthogranulomas (JXGs) are benign solitary or multiple lesions that present as yellow-red nodules on the skin or other organs, with histology demonstrating normolipidemic, non-Langerhans cell histiocytosis. We present a case of a clinically atypical lesion shown to be of the JXG family of lesions following pathologic review. Next-generation sequencing (NGS) analysis revealed a MRC1::PDGFRB gene fusion. This is the third report of the MRC1::PDGFRB gene fusion identified in JXG, and the first case of an isolated cutaneous lesion, which highlights the spectrum of the MRC1::PDGFRB gene fusion in JXG.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144668154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Karina M Forde, Nicole Knöpfel, Ulrike Loebel, Veronica A Kinsler
{"title":"Pigmented Birthmarks and Spinal Neurofibromas in KRAS Mosaicism-Not to Be Confused With NF1.","authors":"Karina M Forde, Nicole Knöpfel, Ulrike Loebel, Veronica A Kinsler","doi":"10.1111/pde.16018","DOIUrl":"https://doi.org/10.1111/pde.16018","url":null,"abstract":"<p><p>We report a child presenting with pigmentary skin lesions and spinal neurofibromas who was diagnosed molecularly with KRAS mosaicism. We review the previous literature of two cases of congenital skin lesions and neurofibromas and spinal nerve root hypertrophy caused by KRAS variants and highlight this presentation as an important differential diagnosis for neurofibromatosis.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144668155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Amaia Barrutia-Etxebarria, Rosa María Escribano De La Torre, Jone Lopez Martinez, Juan Ramón De Dios Jimenez de Aberasturi, Zuriñe Martinez de Lagrán Álvarez de Arcaya
{"title":"Anifrolumab in Refractory Juvenile Dermatomyositis.","authors":"Amaia Barrutia-Etxebarria, Rosa María Escribano De La Torre, Jone Lopez Martinez, Juan Ramón De Dios Jimenez de Aberasturi, Zuriñe Martinez de Lagrán Álvarez de Arcaya","doi":"10.1111/pde.16012","DOIUrl":"https://doi.org/10.1111/pde.16012","url":null,"abstract":"<p><p>Juvenile dermatomyositis (JDM) is a rare, idiopathic inflammatory myopathy of childhood and first-line therapy typically includes corticosteroids and immunosuppressive agents, but complete and sustained remission of the disease is not always achieved. This case report describes an 8-year-old girl with refractory JDM who failed multiple therapies, including corticosteroids, disease-modifying agents, and JAK inhibitors. After the introduction of anifrolumab, a monoclonal antibody targeting the type I interferon receptor, the patient experienced significant improvement in both skin and muscle symptoms. Her disease activity scores decreased markedly, and the response was sustained over six months with no adverse effects. This is the third reported case of JDM treated with anifrolumab, highlighting the potential of targeting the type 1 interferon pathway as a promising therapeutic strategy for patients with refractory disease. The case underscores the importance of IFN-I dysregulation in dermatomyositis and the value of blocking this pathway in difficult-to-treat cases.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144650059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Racquel A Bitar, Sarah E Servattalab, Lauren A Henderson, Megan M Perron, Amir H Taghinia, Marilyn G Liang
{"title":"Regional Infantile Hemangiomas Associated With Raynaud Phenomenon.","authors":"Racquel A Bitar, Sarah E Servattalab, Lauren A Henderson, Megan M Perron, Amir H Taghinia, Marilyn G Liang","doi":"10.1111/pde.16006","DOIUrl":"https://doi.org/10.1111/pde.16006","url":null,"abstract":"<p><p>Regional (segmental) infantile hemangioma (IH) can be associated with arterial anomalies, as seen in PHACE (posterior fossa anomalies, hemangioma, arterial anomalies, cardiac anomalies, and eye anomalies) and LUMBAR (lower body infantile hemangiomas, urogenital anomalies and ulceration, myelopathy, bony deformities, anorectal malformations and arterial anomalies, and rectal anomalies) associations. We describe two patients with a regional IH on the hand associated with Raynaud phenomenon. We hypothesize that Raynaud phenomenon in the setting of a regional IH may be due to post-traumatic vasospastic response, arterial anomalies, cutaneous atrophy due to the IH, and/or changes in vasomotor regulation.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144650060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Systematic Review of the Epidemiology and Risk Factors for Nonsexual Transmission of Warts and Molluscum in Children.","authors":"Nicolás Exequiel Guillermo Montyn Lücher, Uchechukwu J Okoh, Nanette B Silverberg","doi":"10.1111/pde.16002","DOIUrl":"https://doi.org/10.1111/pde.16002","url":null,"abstract":"<p><strong>Background/objective: </strong>There is limited literature examining cutaneous warts (CW) and molluscum contagiosum (MC) together to identify common risk factors for their transmission in the pediatric population, and the epidemiological findings vary significantly among authors. This work aims to identify the determinants contributing to the spread of these diseases among children and to consolidate epidemiological data from multiple articles into a single, comprehensive overview.</p><p><strong>Methods: </strong>English literature publications in PubMed were reviewed. Works related to sexual, oral, or vertical transmission were included only in the introduction, while the focus on risk factors and epidemiology centered on nonsexual transmission of CW and MC. The literature review is summarized in a table.</p><p><strong>Results: </strong>The epidemiological data vary; however, all show that CW and molluscum infections are more common in children. Two strongly associated risk factors were identified: skin-to-skin contact with affected individuals (classmates, siblings, other family members) and shared fomites (shoes, clothing, towels, bath sponges, razors, brushes, combs, bar soap). Additional minor risk factors in the pediatric population included gender, swimming in pools, sharing bathtubs/showers, immunocompromise (immunodeficiency, organ transplantation, chemotherapy) and a history of cutaneous illnesses that impair skin barrier function.</p><p><strong>Conclusions: </strong>There are similarities in the transmission of both infections. Gaining a deeper understanding of how these infections spread will contribute to developing more effective prevention measures for the pediatric population. This research serves as a starting point for future studies.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144650061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Matthew H Lanehart, Breanne Hayes, Zachary Zinn, David P Skoner
{"title":"Dupilumab Treatment for Atopic Dermatitis Is Associated With Decreased Risk of Otitis Media and Related Surgical Procedures: A Retrospective Cohort Study.","authors":"Matthew H Lanehart, Breanne Hayes, Zachary Zinn, David P Skoner","doi":"10.1111/pde.16008","DOIUrl":"https://doi.org/10.1111/pde.16008","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the risk of otitis media (OM) and related surgical procedures among population-based, propensity score-matched cohorts of patients with atopic dermatitis (AD) treated with dupilumab compared to those treated with pimecrolimus.</p><p><strong>Methods: </strong>The TriNetX research network was used to conduct a retrospective cohort study estimating the risk of all OM, nonsuppurative OM, suppurative OM, and subsequent surgical intervention in patients with AD treated with dupilumab compared to those treated with pimecrolimus, including an age-stratified analysis focused on pediatric patients. Cohorts were propensity score matched by age at index, current age, sex, race, other atopies, and exposure to tobacco smoke. 5-year Cox proportional hazards models with 95% confidence intervals were analyzed.</p><p><strong>Results: </strong>This study demonstrates that compared to those treated with pimecrolimus, AD patients treated with dupilumab have a significantly decreased 5-year risk of all OM (HR, 0.60; 95% CI, 0.54-0.67; p < 0.001), nonsuppurative OM (HR, 0.60; 95% CI, 0.52-0.70; p < 0.001), suppurative OM (HR, 0.61; 95% CI, 0.55-0.69; p < 0.001), and related surgical procedures (HR, 0.73; 95% CI, 0.58-0.90; p = 0.004), with similar results found among those < 18 years old.</p><p><strong>Conclusions: </strong>Overall, reduced risk of OM and related surgical procedures is observed in patients with AD treated with dupilumab compared to those treated with pimecrolimus.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144643070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nessa Aghazadeh Mohandesi, Setu Mittal, Amir B Orandi, Wendy M Smith, Nila S Khan, Dawn Marie Davis
{"title":"Expanding the Cutaneous Presentation of Blau Syndrome, Response to Treatment, and Correlation With Genetics.","authors":"Nessa Aghazadeh Mohandesi, Setu Mittal, Amir B Orandi, Wendy M Smith, Nila S Khan, Dawn Marie Davis","doi":"10.1111/pde.15994","DOIUrl":"https://doi.org/10.1111/pde.15994","url":null,"abstract":"<p><strong>Background: </strong>Blau syndrome is a rare, autosomal dominant granulomatous disease caused by mutations in the NOD2/CARD15 gene. While the classic triad of arthritis, dermatitis, and uveitis is well known, the full range of cutaneous manifestations remains underexplored.</p><p><strong>Objective: </strong>To expand the understanding of cutaneous findings in Blau syndrome, correlate these findings with NOD2 variants, and evaluate treatment outcomes across organ systems.</p><p><strong>Methods: </strong>A retrospective review of medical records from January 1999 to January 2024 identified 14 patients with Blau syndrome supported by the presence of NOD2 variants. Clinical data on dermatological features, genetics, and treatment responses were analyzed and categorized into specific and non-specific cutaneous findings.</p><p><strong>Results: </strong>Of the 14 patients with Blau syndrome, 85% (12/14) demonstrated skin involvement. Specific findings included lichenoid or granulomatous papules and nodules (50%, 6/12), while non-specific findings (83%, 10/12) were more diverse, including dermatitis (6/10), chronic urticaria (5/10), ichthyosiform eruptions (4/10), vasospastic disorders (5/10), and oral/genital ulcers (2/10). Skin biopsies in three patients with specific findings revealed non-caseating granulomas. Genetic analysis identified multiple NOD2 variants, though no clear genotype-phenotype correlation was observed. TNF-alpha inhibitors demonstrated efficacy in controlling ocular and joint disease.</p><p><strong>Conclusion: </strong>Blau syndrome presents with a broader spectrum of cutaneous findings than previously recognized. These findings highlight the importance of dermatological evaluation and a multidisciplinary approach to optimize diagnosis and management.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144643071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Grace Rabinowitz, Nicholas Gulati, Saakshi Khattri, Justine Fenner
{"title":"Localized Morphea in a Pediatric Patient Successfully Treated With Topical Ruxolitinib.","authors":"Grace Rabinowitz, Nicholas Gulati, Saakshi Khattri, Justine Fenner","doi":"10.1111/pde.16025","DOIUrl":"https://doi.org/10.1111/pde.16025","url":null,"abstract":"<p><p>Pediatric morphea is a rare disorder characterized by fibrosis of the skin and underlying structures. First-line treatment of localized, uncomplicated disease is typically with high-potency topical steroids. Literature on the treatment of localized recalcitrant disease is sparse. We report a case of biopsy-confirmed morphea in a 17-year-old female that significantly improved with topical ruxolitinib 1.5% cream and intralesional triamcinolone after treatment with clobetasol ointment failed.</p>","PeriodicalId":19819,"journal":{"name":"Pediatric Dermatology","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144626932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}