title: Only acute dyspnea? High-grade osteosarcoma.
authors.affiliation: Department of Internal Medicine, University Hospital 12 de Octubre, Madrid, Spain; Department of Medicine, Faculty of Medicine, Universidad Complutense, Madrid, Spain. Electronic address: lalueza@hotmail.com.
authors.forename: Antonio
authors.initials: A
authors.lastname: Lalueza
authors.affiliation: Department of Radiology, University Hospital 12 de Octubre, Madrid, Spain.
authors.forename: Andrea
authors.initials: A
authors.lastname: Alcalá-Galiano
mesh_terms: D000208:Acute Disease; D062005:Biopsy, Large-Core Needle; D001859:Bone Neoplasms / Q000150:complications* / Q000175:diagnosis; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000175:diagnosis / Q000209:etiology*; D017809:Fatal Outcome; D005269:Femur; D006801:Humans; D008297:Male; D009367:Neoplasm Staging; D012516:Osteosarcoma / Q000150:complications* / Q000175:diagnosis; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000209:etiology*; D014057:Tomography, X-Ray Computed; D055815:Young Adult
keywords: Multiple Pulmonary Nodules; Osteosarcoma; Pulmonary Embolism