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Radiological findings on irradiation-CT in patients with non metastatic breast cancer.
British Journal of Radiology 2017 July
OBJECTIVE: The aim of this study was to evaluate the number of incidental findings on native CT treatment-planning scans for radiation in breast cancer patients.
METHODS: The treatment-planning scans of 382 patients with non-metastatic breast cancer were retrospectively analyzed for additional findings. The planning scan area covered the entire thorax and the upper part of the abdomen. Incidental findings were classified according to their clinical relevance.
RESULTS: Overall 892 incidental findings were detected in the CT treatment-planning scans (mean 2.34 findings per patient). Only a small proportion of patients (n = 63, 16.4%) had no finding. Most findings were located in the thorax (683, 76.57%), and 209 findings (23.43%) were abdominal. 79 findings (8.87%) were of major clinical relevance, 232 findings (26.01%) were of moderate clinical relevance and 580 findings (65.02%) were of minor clinical relevance. Most clinically relevant findings were in the thorax (p = 0.006). Abdominal findings were more of significantly minor clinical relevance (p < 0.0001).
CONCLUSION: Radiological findings are frequent in native CT treatment-planning scans for radiation of breast cancer patients. Therefore, the radiologist should use this performed sectional image to obtain additional information of the patient. Advances in knowledge: Treatment-planning CT scans can show several radiological findings, namely 2.34 findings per patient. Major clinically relevant findings account for 8.87%.
METHODS: The treatment-planning scans of 382 patients with non-metastatic breast cancer were retrospectively analyzed for additional findings. The planning scan area covered the entire thorax and the upper part of the abdomen. Incidental findings were classified according to their clinical relevance.
RESULTS: Overall 892 incidental findings were detected in the CT treatment-planning scans (mean 2.34 findings per patient). Only a small proportion of patients (n = 63, 16.4%) had no finding. Most findings were located in the thorax (683, 76.57%), and 209 findings (23.43%) were abdominal. 79 findings (8.87%) were of major clinical relevance, 232 findings (26.01%) were of moderate clinical relevance and 580 findings (65.02%) were of minor clinical relevance. Most clinically relevant findings were in the thorax (p = 0.006). Abdominal findings were more of significantly minor clinical relevance (p < 0.0001).
CONCLUSION: Radiological findings are frequent in native CT treatment-planning scans for radiation of breast cancer patients. Therefore, the radiologist should use this performed sectional image to obtain additional information of the patient. Advances in knowledge: Treatment-planning CT scans can show several radiological findings, namely 2.34 findings per patient. Major clinically relevant findings account for 8.87%.
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