Incidental Detection of Brain Metastases From a Pulmonary Large Cell Neuroendocrine Carcinoma at 18 F-Fluorocholine PET/CT in a Context of Primary Hyperparathyroidism.

Didier, Mathilde; Godard, François; Fraisse, Cléa; Morin, Léo; Drouet, Clément · Clin Nucl Med · 2024

case_report · Level V

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Abstract

This 65-year-old man suffering from hypercalcemia in a context of hyperparathyroidism treated by calcimimetics was referred to our institution to perform an 18 F-fluorocholine PET/CT in order to localize the pathological parathyroid gland(s). We incidentally discovered a brain metastatic pulmonary large cell neuroendocrine carcinoma in addition to a parathyroid adenoma. This case illustrates the value of FCH PET/CT in hyperparathyroidism workup event under calcimimetic treatment, as well as the potential of FCH PET/CT to reveal occult malignancies.

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