In order to analyze the differential diagnosis of giant-cell lesion in facial bones, we present a case of a patient without a previously diagnosed primary hyperparathyroidism that displayed multiple maxillofacial brown tumors as the initial clinical manifestation of the disease.
Servicio de Tumores de Cabeza, Cuello y Piel, Hospital de Oncologia, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, México DF, México. resendizjaime@aol.mx
