Norbertus A. Ipenburg
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View article: Results of <scp>GC</scp> – <scp>MS</scp> Analyses of 40 Extracts of Diabetes Devices
Results of <span>GC</span> – <span>MS</span> Analyses of 40 Extracts of Diabetes Devices Open
Background Diagnostic patch testing in patients with suspected allergic Contact Dermatitis from glucose sensors, insulin pumps, and infusion sets is seriously hampered by a lack of information on the chemical composition of these diabetes …
View article: Incidence of tattoo-associated melanoma in the Netherlands (1991-2023): a nationwide registry study
Incidence of tattoo-associated melanoma in the Netherlands (1991-2023): a nationwide registry study Open
Background: Tattooing is an increasingly prevalent practice that is associated with various clinical complications. The carcinogenic potential of tattoo pigments remains unclear. While 45 case reports have described melanomas colocalizing …
View article: Results of Patch Testing With a Brazilian Propolis Dilution Series
Results of Patch Testing With a Brazilian Propolis Dilution Series Open
Background Patch testing with Brazilian propolis 10% pet. has yielded very high rates of positive reactions (> 20%). For most, no clinical relevance could be found. False‐positive reactions from irritancy of the test material were suggeste…
View article: Allergisch contacteczeem veroorzaakt door glucosesensoren en insulinepompen
Allergisch contacteczeem veroorzaakt door glucosesensoren en insulinepompen Open
View article: Allergic Contact Dermatitis of the Vulva
Allergic Contact Dermatitis of the Vulva Open
Background While previous studies have investigated allergic contact dermatitis (ACD) in patients with chronic vulvar complaints, data on the clinical relevance of patch test results, particularly from spices and herbs series, remain limit…
View article: Composition of <i>Myroxylon pereirae</i> Resin and Colophonium for Patch Testing
Composition of <i>Myroxylon pereirae</i> Resin and Colophonium for Patch Testing Open
Background In patch testing, co‐reactivity between Myroxylon pereirae resin, colophonium and propolis is well recognised. One of the possible explanations is that these materials have common allergenic ingredients. Objectives To identify t…
View article: Composition of Brazilian and Chinese Propolis for Patch Testing
Composition of Brazilian and Chinese Propolis for Patch Testing Open
Background In Amsterdam, in 2024, patch testing with Brazilian propolis yielded high rates of positive reactions (> 20%), whereas reactivity to Chinese propolis was significantly lower (3.5%). Differences in the composition were suggested …
View article: Results of Concurrent Patch Testing of Brazilian and Chinese Propolis
Results of Concurrent Patch Testing of Brazilian and Chinese Propolis Open
Background In Amsterdam, a steep increase in positive reactions to propolis in the European baseline series was observed from 2.8% in 2020 to 16.4% in 2023. We hypothesised that this was caused by the replacement of Chinese propolis by Bra…
View article: Allergic contact dermatitis caused by glucose sensors and insulin pumps: A full review
Allergic contact dermatitis caused by glucose sensors and insulin pumps: A full review Open
During the past 8 years, a large number of reports have appeared on allergic contact dermatitis to glucose sensors and insulin pumps in paediatric and adult patients with type 1 diabetes mellitus. Isobornyl acrylate in one particular senso…
View article: Allergic contact dermatitis caused by glucose sensors and insulin pumps: A full review
Allergic contact dermatitis caused by glucose sensors and insulin pumps: A full review Open
During the past 8 years, a large number of reports have appeared on allergic contact dermatitis to glucose sensors and insulin pumps in paediatric and adult patients with type 1 diabetes mellitus. Isobornyl acrylate in one particular senso…
View article: Results of patch testing propolis in the European baseline series: A 4‐year retrospective study
Results of patch testing propolis in the European baseline series: A 4‐year retrospective study Open
Background Propolis was added to the European baseline series (EBS) in 2019. Objectives To investigate the frequency and relevance of positive patch tests to propolis in the EBS and to study co‐reactivities. Patients and Methods Retrospect…
View article: Frequency and clinical relevance of contact allergy in dental patients
Frequency and clinical relevance of contact allergy in dental patients Open
Background While many studies have reported on occupational allergic contact dermatitis amongst dental personnel, studies on the relevance of patch testing in dental patients are scarce. Objectives To determine the frequency and clinical r…
View article: The prevalence and relevance of patch testing with textile dyes
The prevalence and relevance of patch testing with textile dyes Open
Background Textile dye mix (TDM) is included in the European baseline series (EBS), but it is unknown if TDM identifies all patients with a textile dye allergy. Objectives To assess the added value of performing patch testing with individu…
View article: Patch test results in a Dutch paediatric population with suspected contact allergy: A retrospective cohort study
Patch test results in a Dutch paediatric population with suspected contact allergy: A retrospective cohort study Open
Background Allergic contact dermatitis (ACD) in paediatric patients is on the rise. Continuous identification of emerging allergens is of great importance to ensure accurate patch testing. Objectives To assess the frequency and relevance o…
View article: What is the added value of patch testing with 30 fragrance allergens in addition to the European Baseline series?
What is the added value of patch testing with 30 fragrance allergens in addition to the European Baseline series? Open
Background Patch testing with the fragrance allergy markers in the European baseline series (EBS) does not identify all patients with fragrance allergy. Hydroperoxides of linalool and limonene have been shown to be useful allergens in dete…
View article: Lack of association between CDKN2A germline mutations and survival in patients with melanoma: A retrospective cohort study
Lack of association between CDKN2A germline mutations and survival in patients with melanoma: A retrospective cohort study Open
To the Editor: Approximately 10% of patients with cutaneous melanomas have a positive melanoma family history. Germline mutation of the CDKN2A gene is the most common cause of familial melanoma.1Read J. Wadt K.A.W. Hayward N.K. Melanoma ge…
View article: Author response to: Comment on: External validation of a prognostic model to predict survival of patients with sentinel node-negative melanoma
Author response to: Comment on: External validation of a prognostic model to predict survival of patients with sentinel node-negative melanoma Open
View article: The prognostic value of tumor mitotic rate in children and adolescents with cutaneous melanoma: A retrospective cohort study
The prognostic value of tumor mitotic rate in children and adolescents with cutaneous melanoma: A retrospective cohort study Open
View article: External validation of a prognostic model to predict survival of patients with sentinel node-negative melanoma
External validation of a prognostic model to predict survival of patients with sentinel node-negative melanoma Open
Background Identifying patients with sentinel node-negative melanoma at high risk of recurrence or death is important. The European Organisation for Research and Treatment of Cancer (EORTC) recently developed a prognostic model including B…
View article: Focused Ultrasound Surveillance of Lymph Nodes Following Lymphoscintigraphy Without Sentinel Node Biopsy: A Useful and Safe Strategy in Elderly or Frail Melanoma Patients
Focused Ultrasound Surveillance of Lymph Nodes Following Lymphoscintigraphy Without Sentinel Node Biopsy: A Useful and Safe Strategy in Elderly or Frail Melanoma Patients Open
Lymphoscintigraphy with focused ultrasound follow-up of SNs is a reasonable management alternative to SNB in patients who are elderly and/or have substantial comorbidities.
View article: Fibroblast Growth Factor Receptor Family Members as Prognostic Biomarkers in Head and Neck Squamous Cell Carcinoma: A Systematic Review
Fibroblast Growth Factor Receptor Family Members as Prognostic Biomarkers in Head and Neck Squamous Cell Carcinoma: A Systematic Review Open
In conclusion, evidence was found for prognostic value of FGFR1 expression in cancer-associated fibroblasts in HNSCC. Prognostic evidence on the other FGFR family members in HNSCC is limited and conflicting. This emphasizes the need for fu…