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ESTRO 37

and improvement of signal abnormalities on magnetic resonance imaging were also confirmed. Although some lytic lesions improved after using BMA without radiotherapy (21%), most remained unchanged or gradually worsened. The rate of improvement with radiotherapy was significantly higher than that with BMA (p=0.0461). PR or CR SD or PD RT ± BMA 24 11 BMA only 3 11

analgesics, and 135(34.6%) patients with pain were not given any analgesics. Out of the 161 patients with severe pain only 50(31.0%) were given morphine for their pain. The remaining 111 patients (69.0%) were given other analgesics. Considering recommendations of analgesic regimen for the hypothetical patient with severe cancer pain, 50% recommended morphine, the rest recommended NSAIDs Tramadol, and paracetamol. 50 % of prescriptions were for oral medication and 50% for parental medication. Conclusion Pain is highly prevalent and undertreated in cancer patients at the oncology center at TASH. Health care professionals lack the basic knowledge and harbor misconceptions about the clinical use of morphine for cancer pain treatment. Creating training opportunities for medical staff is necessary to increase their awareness and knowledge of effective cancer pain management. EP-1651 Radiation oncologists’ role in end-of-life care: a view from medical oncologists T. Kruser 1 , J.M. Kruser 2 , J.P. Gross 1 , M.R. Moran 2 , K. Kaiser 3 , E. Szmuilowicz 4 , S.M. Kircher 2 1 Northwestern Memorial Hospital, Radiation Oncology, Chicago IL, USA 2 Northwestern Memorial Hospital, Medicine, Chicago IL, USA 3 Northwestern Memorial Hospital, Medical Social Sciences, Chicago IL, USA 4 Northwestern Memorial Hospital, Medicine- Section of Palliative Medicine, Chicago IL, USA Purpose or Objective Radiation oncologists report a fear of upsetting medical oncologists as a key barrier to their involvement in end- of-life care planning with patients with advanced cancer. We sought to characterize medical oncologists’ perspectives on the role for radiation oncologists in end- Four professionally-moderated focus groups were conducted. A national sample of medical oncologists (N=31) was recruited using snowball sampling. Audio recordings of each focus group were transcribed verbatim. Four investigators from diverse healthcare backgrounds (medical oncology, radiation oncology, critical care medicine, public health) independently reviewed each transcript, coding sections of transcribed text to generate concepts and themes. Consensus coding was performed during meetings of at least three investigators, and the codebook was revised and applied to subsequent transcripts in an iterative process. Results Medical oncologists expressed complex and often conflicting views on the role of radiation oncologists in end-of-life care (Table 1). Radiation oncologists were compared to surgeons, as physicians who provide a finite intervention and lack longitudinal patient contact. In this context, medical oncologists perceived the radiation oncology culture as not engaged in providing end-of-life care. Medical oncologists described 'owning” the patients, and not wanting radiation oncologists to expand their scope of practice towards discussing end-of-life care planning with patients. Medical oncologists expressed concerns about the capability of radiation oncologists to accurately prognosticate and mistrust of radiation oncologists’ knowledge about available systemic therapy options. While communication from radiation oncologists towards medical oncologists regarding patient trajectory of-life care planning. Material and Methods

Conclusion Radiotherapy is useful for bone metastases treatment. In particular, osteolytic or painful metastases should be treated with radiotherapy. EP-1650 Prevalence and Management of Pain In Tikur Anbessa Hospital Radiotherapy Center A.A. Woldemariam 1 , L. Gwyther 1 , N. Deyessa 1 , E. Kantelhardt 1 , G. Macchia 2 , S. CAMMELLI 3 , A.G. MORGANTI 3 1 Department of Radiotherapy, Black Lion Hospital, Addis- Ababa, Ethiopia 2 Radiotherapy Unit, Fondazione di Ricerca e Cura “Giovanni Paolo II”, Campobasso, Italy 3 Radiation Oncology Center- Dept. of Experimental- Diagnostic and Specialty Medicine – DIMES- University of Bologna, S.Orsola-Malpighi Hospital, BOLOGNA, Italy Purpose or Objective Prevalence of cancer is on a rise globally, in particular in developing countries. Pain is one of the most feared and burdensome symptoms in cancer patients and it remain a public health problem in cancer care in Ethiopia.The aim of this study was to identify the baseline prevalence of pain among in-patients at the general medical and oncology wards at a tertiary teaching hospital Tikur Anbassa Hospital in Addis Ababa, the pattern of pain management by the health care providers; and to assess the knowledge, attitude and practice of pain management of health care providers, Material and Methods This was a cross sectional, quantitative, observational study design conducted in Tikur Anbassa Hospital, in relation to knowledge and attitude of health care professionals in addressing pain in Tikur Anbassa Hospital. The characteristics of the pain and its management were assessed using the “Short Brief Pain inventory” (Cleeland C.S. 1991) Results 648 patients admitted to the oncology wards were interviewed out of which 265(40.9%) were males, and 383(59.1%) females. Of the total, 390 (60.2%) had experienced pain in the previous 24 hours. Out of the 390 patients with pain 161(41.28%) had severe pain. Out of the 390 patients with pain, 255(65.4%) were prescribed