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  • Title: Preoperative Localization of Mediastinal Parathyroid Adenoma with Intra-arterial Methylene Blue.
    Author: Salman R, Sebaaly MG, Wehbe MR, Sfeir P, Khalife M, Al-Kutoubi A.
    Journal: Cardiovasc Intervent Radiol; 2017 Jun; 40(6):953-956. PubMed ID: 28138727.
    Abstract:
    Ectopic parathyroid is found in 16% of patients with hyperparathyroidism. 2% of ectopic parathyroid adenomas are not accessible to standard cervical excision. In such cases, video-assisted thoracoscopic resection is the recommended definitive treatment. We present a case of mediastinal parathyroid adenoma localized preoperatively by injecting methylene blue within a branch of the internal mammary artery that is supplying the adenoma. Intra-arterial methylene blue injection facilitated visualization and resection of the adenoma. The preoperative intra-arterial infusion of methylene blue appears to be an effective and safe method for localization of ectopic mediastinal parathyroid adenomas and allows rapid identification during thoracoscopic resection.
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