Introduction: Hypercalcemia can cause different neurological disorders, depending on the calcium level. We report an exceptional case of primary hyperparathyroidism presenting as neurological alteration and it has favourable outcome after parathyroidectomy. Case report: A 74-year-old woman presented with progressive cognitive deterioration and impaired motor function. The complementary tests showed hypercalcemia due to a parathyroid adenoma. Parathyroidectomy was performed with symptomatic improvement. Conclusion: Cognitive impairment of the elderly due to a parathyroid adenoma is underdiagnosed, behavioral changes and alterations of motor functions are attributed to age, dementia and frailty, representing a diagnostic challenge.

Cognitive impairment of the elderly due to a parathyroid adenoma is underdiagnosed, behavioral changes and alterations of motor functions are attributed to age, dementia and frailty, representing a diagnostic challenge.

Splenic abscess is an uncommon condition, in which the diagnosis is delayed and mortality, in untreated patients, is high. Its association with pneumoperitoneum may confuse the diagnosis towards viscera perforation. Thus it must be suspected in the finding of unknown cause of pneumoperitoneum by complementary examinations. The treatment of choice is splenectomy, because the capsular rupture is the norm in all of them.

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Los tumores neuroendocrinos pancreáticos son poco frecuentes. Es un grupo heterogéneo de neoplasias con comportamiento y pronóstico muy diferentes. Pueden aparecer de manera esporádica o asociados a síndromes genéticos. Se dividen en funcionantes y no funcionantes. Se realizó un estudio retrospectivo descriptivo de los pacientes diagnosticados de tumor neuroendocrino pancreático. Como se refleja en nuestra serie, cada vez es más frecuente el diagnostico incidental de estos tumores. El único tratamiento curativo de estos tumores es la exéresis quirúrgica, según la localización y las características del tumor y del paciente. En casos seleccionados se puede optar por una actitud conservadora.