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Franzetti J, Durante S, Mastroleo F, Volpe S, De Lorenzi F, Rotondi M, Lorubbio C, Vitullo A, Frassoni S, Bagnardi V, Cambria R, Cattani F, Vavassori A, Jereczek-Fossa BA. Post-operative KEloids iRradiation (POKER): does the surgery/high-dose interventional radiotherapy association make a winning hand? Radiol Med 2024; 129:328-334. [PMID: 38280971 PMCID: PMC10879234 DOI: 10.1007/s11547-024-01756-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 01/02/2024] [Indexed: 01/29/2024]
Abstract
PURPOSE To report the results involving post-operative interventional radiotherapy (POIRT) in a homogenous cohort of patients affected by keloid and treated at a single institution with the same fractionation schedule. PATIENTS AND METHODS Inclusion criteria were: surgery with a histopathological diagnosis of keloid, subsequent high-dose rate interventional radiotherapy (HDR-IRT)-12 Gy in 4 fractions (3 Gy/fr) twice a day-and follow-up period ≥ 24 months. RESULTS One-hundred and two patients and a total of 135 keloids were eligible for the analyses. Median follow-up was 64 [IQR: 25-103] months. Thirty-six (26.7%) recurrences were observed, 12-months and 36-months cumulative incidence of recurrence were 20.7% (95% CI 12.2-28.5) and 23.8% (95% CI 14.9-31.7) respectively. History of spontaneous keloids (HR = 7.00, 95% CI 2.79-17.6, p < 0.001), spontaneous cheloid as keloid cause (HR = 6.97, 95% CI 2.05-23.7, p = 0.002) and sternal (HR = 10.6, 95% CI 3.08-36.8, p < 0.001), ear (HR = 6.03, 95% CI 1.71-21.3, p = 0.005) or limb (HR = 18.8, 95% CI 5.14-68.7, p < 0.001) keloid sites were significantly associated to a higher risk of recurrence. CONCLUSIONS The findings support the use of surgery and POIRT as an effective strategy for controlling keloid relapses. Further studies should focus on determining the optimal Biologically Effective Dose and on establishing a scoring system for patient selection.
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Affiliation(s)
- Jessica Franzetti
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
| | - Stefano Durante
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
| | - Federico Mastroleo
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy.
- Department of Translational Medicine, University of Piemonte Orientale (UPO), 28100, Novara, Italy.
| | - Stefania Volpe
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
| | - Francesca De Lorenzi
- Department of Plastic and Reconstructive Surgery, European Institute of Oncology, IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
| | - Marco Rotondi
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
| | - Chiara Lorubbio
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
| | - Angelo Vitullo
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
| | - Samuele Frassoni
- Department of Statistics and Quantitative Methods, University of Milan-Bicocca, Milan, Italy
| | - Vincenzo Bagnardi
- Department of Statistics and Quantitative Methods, University of Milan-Bicocca, Milan, Italy
| | - Raffaella Cambria
- Unit of Medical Physics, European Institute of Oncology IRCCS, Milan, Italy
| | - Federica Cattani
- Unit of Medical Physics, European Institute of Oncology IRCCS, Milan, Italy
| | - Andrea Vavassori
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
| | - Barbara Alicja Jereczek-Fossa
- Division of Radiation Oncology, IEO European Institute of Oncology IRCCS, Via Ripamonti, 435, 20141, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, 20122, Milan, Italy
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