title: [Left retroparathyroid mass in a patient with surgically treated thyroid papillary carcinoma 4 years earlier].
authors.forename: J M
authors.initials: JM
authors.lastname: Castrillo
authors.forename: J L
authors.initials: JL
authors.lastname: Sarasa
mesh_terms: D000328:Adult; D000367:Age Factors; D002291:Carcinoma, Papillary / Q000473:pathology* / Q000556:secondary; D003937:Diagnosis, Differential; D005260:Female; D006258:Head and Neck Neoplasms / Q000556:secondary*; D006801:Humans; D008207:Lymphatic Metastasis; D009381:Neoplasms, Radiation-Induced; D009455:Neurofibroma / Q000209:etiology / Q000473:pathology*; D013964:Thyroid Neoplasms / Q000473:pathology*; D013997:Time Factors
vernacular_title: Formación retroparotídea izquierda en una paciente intervenida de carcinoma papilífero tiroideo cuatro años antes.