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Sao Paulo Medical Journal

versão impressa ISSN 1516-3180versão On-line ISSN 1806-9460


DEDIVITIS, Rogério Aparecido; GUIMARAES, André Vicente  e  PONTES, Gustavo Bastos de Goes. Multiple ectopic parathyroid adenomas. Sao Paulo Med. J. [online]. 2004, vol.122, n.1, pp.32-34. ISSN 1516-3180.

CONTEXT: Primary hyperparathyroidism is the most common cause of hypercalcemia in unselected patients. The ectopic gland locations should be known for appropriate surgical exploration and for avoiding subsequent re-exploration that would represent higher morbidity. Multiple ectopic glands are rare and present a particular challenge in parathyroid surgery. CASE REPORT: A 65-year-old female presented with nephrolithiasis. Her serum total calcium was found to be elevated. The diagnosis of primary hyperparathyroidism was confirmed by the elevated serum intact parathyroid hormone levels. Ultrasound was only successful in localizing one adenoma in the lower right gland. Technetium sestamibi scanning correctly localized the same adenoma and showed another contralateral image, lateral to the thyroid cartilage. Fiber optic laryngoscopy showed an extrinsic mass pushing against the lateral and posterior walls of the left pyriform sinus. Resonance imaging revealed a soft tissue mass. RESULTS: The patient underwent bilateral neck exploration. Histopathological examination confirmed the diagnosis of parathyroid double adenomas. The late-stage postoperative checkups were normal. DISCUSSION: Routine bilateral neck surgery should be performed as a rule. We use ultrasound and technetium sestamibi scanning as a routine for preoperative localization studies. It is helpful to have an experienced surgeon for the localization.

Palavras-chave : Parathyroid glands; Hyperparathyroidism; Parathyroidectomy; Parathyroid neoplasms.

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