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Medicina (B.Aires) ; 77(3): 196-200, jun. 2017. tab
Article in Spanish | LILACS | ID: biblio-894457

ABSTRACT

El hiperparatiroidismo primario puede tener diferentes características. Una de ellas es la forma asintomática. Esta es una variante leve del hiperparatiroidismo primario hipercalcémico, que se caracteriza por una calcemia no mayor a 1 mg/dl sobre el límite superior del método, hormona paratiroidea intacta (PTHi) elevada, ausencia de litiasis renal, deterioro de la función renal y de osteoporosis, edad menor de 50 años, y calciuria menor a 400 mg/día. No es una entidad quirúrgica, pero en su evolución puede llegar a serlo. Se estudiaron 24 mujeres postmenopáusicas, todas mayores de 50 años, con diagnóstico de hiperparatiroidismo asintomático, se describieron las manifestaciones clínicas, los cambios densitométricos, los parámetros bioquímicos y del remodelado óseo y se compararon los resultados con las variantes clásica y normocalcémica de la enfermedad. Se establecieron los criterios diagnósticos y se observó que solo 2 (8.3%) de las pacientes, durante un seguimiento de 44 ± 12 meses tuvo necesidad de paratiroidectomía. En definitiva, el hiperparatiroidismo primario asintomático es una alteración benigna, de seguimiento clínico periódico que, en pocas ocasiones, durante el seguimiento puede requerir cirugía.


Primary hyperparathyroidism may have different characteristics. One is the asymptomatic form. This is a mild variant of hypercalcemic hyperparathyroidism, characterized by a calcemia not greater than 1 mg/dl above the upper limit of the method, a high intact parathyroid hormone (iPTH), absence of renal stones, renal function impairement, and osteoporosis, less than 50 years of age, and less than 400 mg/day calciuria. It is not a surgical entity, but its evolution may require it. Twenty-four postmenopausal women, all older than 50 years, with a diagnosis of asymptomatic hyperparathyroidism, were studied. Clinical manifestations, densitometric changes, biochemical parameters and bone remodeling were analyzed and the results were compared with the classic and normocalcemic variants of the disease. Diagnostic criteria were established and observed that only 2 (8.3%) of patients, during a follow up of 44 ± 12 months, had need for a parathyroidectomy. In conclusion, the asymptomatic primary hyperparathyroidism is a benign disorder, of periodic clinical follow-up, which rarely may require surgery.


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Aged, 80 and over , Osteoporosis/diagnosis , Bone Diseases, Metabolic/diagnosis , Hyperparathyroidism, Primary/diagnosis , Asymptomatic Diseases , Hypercalcemia/diagnosis , Osteoporosis/metabolism , Parathyroid Hormone/metabolism , Bone Diseases, Metabolic/metabolism , Biomarkers/metabolism , Calcium/metabolism , Prospective Studies , Diagnosis, Differential , Hyperparathyroidism, Primary/metabolism , Hypercalcemia/metabolism
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