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- Carlos Eduardo Molinari Nardi, Ricardo Adriano Nasser Barbosa da Silva, Cynthia Maria Massarico Serafim, and Rogério Aparecido Dedivitis.
- Hospital Ana Costa, Santos, São Paulo, Brazil.
- Sao Paulo Med J. 2009 Nov 1; 127 (6): 382384382-4.
ContextParathyroid cysts are rare clinical and pathological entities, with less than 300 cases reported. The inferior parathyroid glands are most commonly involved, with left-side predominance. Parathyroid cysts may be functional or nonfunctional, depending on their association with hypercalcemia.Case ReportA 25-year-old man presented a palpable asymptomatic left-side neck mass. Ultrasound revealed a cystic structure contiguous with the left thyroid lobe. Serum ionic calcium was normal. The patient underwent left thyroid lobectomy plus isthmectomy with excision of the cyst. The histological findings revealed a parathyroid cyst. Parathyroid cysts typically present as asymptomatic neck masses, and surgical excision appears to be the treatment of choice.
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