• Serdar Demiroz, Ferhat Oktem, Aykut Celik, Ozgur Erdogan, Korhan Ozkan, and Volkan Gurkan.
• Department of Orthopaedics and Traumatology, Kocaeli University Faculty of Medicine, İzmit, Kocaeli 41001, Turkey. Electronic address: serdardemiroz@hotmail.com.
• Injury. 2022 Nov 1; 53 (11): 373637413736-3741.

IntroductionThere are several studies in the literature about pathological fractures but almost no information about patients whose pathological fracture caused by a malignant lesion misdiagnosed and treated as a simple fracture. The aim of this study was to investigate patient and fracture characteristics, and outcomes in cases where fractures occurred in the presence of a malign pathology but were treated as simple fractures.Patients And MethodsCases of malign bone lesions between 2000 and 2020 were retrospectively reviewed. Patients with a final diagnosis of malign bone lesion but whose pathological fractures were treated ignoring the underlying malign bone disease were included. Demographic, clinical and outcome data were collected from patient's medical records and analyzed.ResultsSix patients met the inclusion criteria. Three of the patients were female and the cohort mean age was 56.8 ± 21.8 years at the time of admission. Patient diagnoses were: renal cell carcinoma metastasis (n = 1); colon cancer metastasis (n = 1); chondrosarcoma (n = 2); osteosarcoma (n = 1); and undifferentiated pleomorphic sarcoma of bone (n = 1). In all cases surgical management differed from those that should have been applied if the pathological fracture had been identified. Furthermore, surgical management after definitive histological diagnosis were more aggressive compared to if the malignancy had been identified at first admission. All patients died after a mean follow-up of 16.67 ± 11.7 months and the complication rate was 100%.ConclusionWhen a pathological fracture is misdiagnosed and managed as a simple bone fracture, outcomes are extremely poor. In these situations, remedial surgery is more extensive, with increased complication rates and there is poor life expectancy.Copyright © 2022. Published by Elsevier Ltd.

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