Abstract
Our patient, a 62-year-old female, presented for management of primary hyperparathyroidism. Subsequent to confirmatory lab testing, she underwent Tc-sestamibi imaging for localization of parathyroid adenoma. The imaging was suspicious for right inferior parathyroid adenoma and showed a posterior right lower lobe lung nodule (2.4 1.8 cm) (Figures 1 and 2). Biopsy of the right lung mass showed a lowgrade neuroendocrine tumor (carcinoid). An octreotide scan confirmed the presence of carcinoid in the right lower lobe. Biochemical work-up for carcinoid was unrevealing except for elevated serum serotonin levels at 394 ng/mL (normal range, 50 –220 ng/mL). Subsequent to resection of the lung mass and right inferior/left inferior and right superior parathyroid glands, her serum
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