title: Pathologic quiz case. A 36-year-old woman with muscle pain and weakness. Phosphaturic mesenchymal tumor (mixed connective tissue variant)/oncogenic osteomalacia.
authors.forename: Jorge S
authors.initials: JS
authors.lastname: Reis-Filho
authors.forename: Maria Emília
authors.initials: ME
authors.lastname: Paiva
authors.forename: José Manuel
authors.initials: JM
authors.lastname: Lopes
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D017674:Hypophosphatemia / Q000209:etiology / Q000652:urine; D008637:Mesenchymoma / Q000150:complications / Q000378:metabolism / Q000473:pathology* / Q000601:surgery; D018908:Muscle Weakness / Q000209:etiology / Q000503:physiopathology; D018482:Muscle, Skeletal / Q000503:physiopathology; D010018:Osteomalacia / Q000209:etiology / Q000378:metabolism / Q000473:pathology*; D010146:Pain / Q000209:etiology / Q000503:physiopathology; D012983:Soft Tissue Neoplasms / Q000150:complications / Q000378:metabolism / Q000473:pathology* / Q000601:surgery; D016896:Treatment Outcome