{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T09:25:29Z","timestamp":1781083529876,"version":"3.54.1"},"reference-count":23,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2024,4,29]],"date-time":"2024-04-29T00:00:00Z","timestamp":1714348800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Greater Poland Cancer Centre","award":["20\/02\/2023\/L\/WCO\/005"],"award-info":[{"award-number":["20\/02\/2023\/L\/WCO\/005"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Medicina"],"abstract":"<jats:p>Background and Objectives: Chronic radiotherapy-induced skin injury (cRISI) is an irreversible and progressive condition that can significantly impact a patient\u2019s quality of life. Despite the limited literature available on the assessment of the epidermal barrier in cRISI, there is a consensus that appropriate skincare, including the use of emollients, is the primary therapeutic approach for this group of patients. The aim of this study was to evaluate the biophysical properties of the skin during the late period (at least 90 days) following radiation therapy (RT) for head and neck cancer. Materials and Methods: This was a single-center prospective non-randomized study. It involved the analysis of 16 adult patients with head and neck cancer who underwent RT at the Greater Poland Cancer Center, along with 15 healthy volunteers. The study and control groups were matched for gender and age (p = 0.51). Clinical assessment, based on the LENT-SOMA scale, was conducted for all patients. Evaluation of the skin\u2019s biophysical properties included: an analysis of transepidermal water loss (TEWL), stratum corneum hydration (SCH), and skin visualization using high-frequency ultrasonography (HF-USG). Results: A significantly higher TEWL was observed in the irradiated area compared to the control area in the study group (p = 0.004). However, there was no statistically significant difference in SCH (p = 0.073). Additionally, no significant difference was observed in the values of TEWL and SCH in the irradiated area between the group of patients with and without clinically obvious RISI (p = 0.192 and p = 0.415, respectively). The skin thickness of the irradiated area, assessed by HF-USG, did not differ significantly from the skin thickness of the control area (p = 0.638). Furthermore, no difference in skin thickness was observed in patients with clinical features of cRISI in the irradiated and control areas (p = 0.345). The mean time after RT was 6.1 years. Conclusions: This study marks the first demonstration of epidermal barrier damage in patients in the long term following RT for head and neck cancer. The impairment of the epidermal barrier was observed independently of evident cRISI features. This observation underscores the necessity to recommend appropriate skin care, including the use of emollients, for all patients following RT. We also suggest that HF-USG examination is generally inconclusive in determining the degree of skin damage in the late period after RT.<\/jats:p>","DOI":"10.3390\/medicina60050739","type":"journal-article","created":{"date-parts":[[2024,5,2]],"date-time":"2024-05-02T07:04:14Z","timestamp":1714633454000},"page":"739","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["The Assessment of the Long-Term Impact of Radiotherapy on Biophysical Skin Properties in Patients after Head and Neck Cancer"],"prefix":"10.3390","volume":"60","author":[{"given":"Jakub","family":"Pazdrowski","sequence":"first","affiliation":[{"name":"Department of Head and Neck Surgery, Poznan University of Medical Sciences, 61-866 Poznan, Poland"},{"name":"Department of Head and Neck Surgery, Greater Poland Cancer Centre, 61-866 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adriana","family":"Pola\u0144ska","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology, Poznan University of Medical Sciences, 60-355 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joanna","family":"Ka\u017amierska","sequence":"additional","affiliation":[{"name":"Radiotherapy Department II, Greater Poland Cancer Centre, 61-866 Poznan, Poland"},{"name":"Department of Electroradiology, Poznan University of Medical Sciences, 61-866 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Micha\u0142 J.","family":"Kowalczyk","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology, Poznan University of Medical Sciences, 60-355 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mateusz","family":"Szewczyk","sequence":"additional","affiliation":[{"name":"Department of Head and Neck Surgery, Poznan University of Medical Sciences, 61-866 Poznan, Poland"},{"name":"Department of Head and Neck Surgery, Greater Poland Cancer Centre, 61-866 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patryk","family":"Niewinski","sequence":"additional","affiliation":[{"name":"Department of Head and Neck Surgery, Poznan University of Medical Sciences, 61-866 Poznan, Poland"},{"name":"Department of Head and Neck Surgery, Greater Poland Cancer Centre, 61-866 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wojciech","family":"Golusi\u0144ski","sequence":"additional","affiliation":[{"name":"Department of Head and Neck Surgery, Poznan University of Medical Sciences, 61-866 Poznan, Poland"},{"name":"Department of Head and Neck Surgery, Greater Poland Cancer Centre, 61-866 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aleksandra","family":"Da\u0144czak-Pazdrowska","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Poznan University of Medical Sciences, 60-355 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"473","DOI":"10.2147\/CCID.S94320","article-title":"Chronic radiation-induced dermatitis: Challenges and solutions","volume":"9","year":"2016","journal-title":"Clin. 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