Radiotherapy for oligometastatic cancer: a survey among radiation oncologists of Lombardy (AIRO-Lombardy), Italy: Radiologia Medica

B.A. Jereczek-Fossa, B. Bortolato, M.A. Gerardi, S. Dicuonzo, V.M. Arienti, S. Berlinghieri, S. Bracelli, M. Buglione, M. Caputo, G. Catalano, L.F. Cazzaniga, L. De Cicco, N. Di Muzio, F.R. Filippone, A. Fodor, D. Franceschini, P. Frata, S. Gottardo, G.B. Ivaldi, A. LaudatiS.M. Magrini, E. Mantero, I. Meaglia, S. Morlino, M. Palazzi, F. Piccoli, P. Romanelli, M. Scorsetti, F. Serafini, L. Scandolaro, R. Valdagni, R. Orecchia, P. Antognoni, AIRO-L) the Lombardy Section of the Italian Society of Oncological Radiotherapy (Associazione Italiana di Radioterapia Oncologica-Lombardia

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Aims: To evaluate the use of radiotherapy (RT) for oligometastatic cancer (OMC) among radiation oncologists in Lombardy, Italy. Methods and study design: A survey with 12 items regarding data of 2016 was sent to all 34 Lombardy RT centers. The survey included six general items and six specific items regarding patient/disease/treatment characteristics. Results: Thirteen centers answered the survey (38%). All centers responded to general items and 12 centers submitted patient/disease/treatment data. General items The majority of centers (8/13) consider OMC if metastases number is less than 5. The most commonly prescribed dose/fraction is 5–10 Gy (8/13) using schedules of 3–5 fractions (11/13). Patient data items A total of 15.681 patients were treated in 2016 with external beam RT in 12 responding centers, and 1.087 patients were treated for OMC (7%). Primary tumor included lung, prostate, breast, colorectal and other malignancies in 33%, 21%, 12%, 9% and 25% of all OMC patients, respectively. Brain, lymph node, lung, bone, liver and others were the most common treated sites (24%, 24%, 22%, 17%, 8% and 5%, respectively). One and more than one metastasis were treated in 75 and 25% of patients, respectively. The vast majority of patients (95%) were treated with image-guided intensity-modulated RT or stereotactic RT. Conclusions: Seven percent of all RT patients in Lombardy are treated for OMC. Extreme hypofractionation and high-precision RT are commonly employed. The initiative of multicenter and multidisciplinary collaboration has been undertaken in order to prepare the platform for prospective and/or observational studies in OMC. © 2018, Italian Society of Medical Radiology.
Original languageEnglish
Pages (from-to)315-322
Number of pages8
JournalRadiol. Med.
Issue number4
Publication statusPublished - 2019


  • Lombardy
  • Oligometastatic cancer
  • Radiotherapy
  • Stereotactic body radiotherapy
  • Survey
  • clinical practice
  • female
  • human
  • Italy
  • male
  • metastasis
  • questionnaire
  • radiation dose
  • radiation oncologist
  • statistics and numerical data
  • Dose Fractionation, Radiation
  • Female
  • Humans
  • Male
  • Neoplasm Metastasis
  • Practice Patterns, Physicians'
  • Radiation Dosage
  • Radiation Oncologists
  • Surveys and Questionnaires


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