We have created a new, practical, inexpensive digital technique based on commercial software for fusing lymphoscintigraphic images with built-in anatomical reference profiles. It is easily reproducible and does not alter the original scintigraphic image. Our method allows a more meaningful interpretation of lymphoscintigraphies, an easier recognition of the anatomical site and better lymph node dissection planning.

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a b s t r a c tMalignancy-associated hypercalcemia is a complication of advanced tumours that is associated to a poor prognosis. Thorough evaluation to establish its cause is essential because some patients may actually have undiagnosed primary hyperparathyroidism.We report a case of a patient affected by Hodgkin's Lymphoma and persistent hypercalcemia with an incidental 18 F-FDG PET/CT finding in the anterior neck region, not ascribable to malignancy, confirmed with 99m Tc-sestamibi scintigraphy. It was removed by minimally invasive surgery. It was shown to be an oxyphil parathyroid adenoma localized in an unusual site.Palabras clave: 18 F-FDG PET/TC Linfoma de Hodgkin Hipercalcemia Adenoma de paratiroides Oxifílico r e s u m e n La hipercalcemia es una complicación de tumores avanzados y se asocia a un mal pronóstico. Llevar a cabo una evaluación para establecer la causa es esencial dado que algunos pacientes oncológicos pueden presentar hipercalcemia por hiperparatiroidismo primario no diagnosticado.Se describe el caso de un paciente con linfoma de Hodgkin y con hipercalcemia persistente en el cual un estudio 18 F-FDG PET/TC mostró una lesión en la región anterior del cuello, no atribuible a la neoplasia inicial, confirmada por 99m Tc-sestamibi y resecada con cirugía mínimamente invasiva. Era un adenoma oxifílico de paratiroides de localización ectópica.