Publication Date: 16 Oct 2013
Type: Case report
Journal: Clinical Medicine Insights: Case Reports
Citation: Clinical Medicine Insights: Case Reports 2013:6 159-163
doi: 10.4137/CCRep.S13026
We report a case of cervical lymph node sarcoidosis misdiagnosed as parathyroid adenoma. This is the second case described in the literature in which lymph node sarcoidosis was misdiagnosed as parathyroid adenoma on Tc-99m sestamibi (MIBI) scan, the first case localized in the neck. A 64-year-old woman presented with a hypercalcemia. Neck ultrasonography revealed a paratracheal hypoechoic mass of 15 mm with peripheral vascularization. MIBI scan and SPECT/CT identified a MIBI-positive area corresponding to the nodule detected by ultrasonography suggestive for a lower right parathyroid adenoma. A mass interpreted as the lower parathyroid was excised associated to a total thyroidectomy. Pathologic examination revealed a granulomatous lymph node consistent with active sarcoidosis. Sarcoidosis should be suspected as a cause of unexplained hypercalcemia and the differential diagnosis of hypercalcemia, even in presence of MIBI uptake, must include sarcoidosis localized in an isolated cervical lymph node.
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This is my first publication with Libertas Academica. The whole process from submission to publication and responses were extremely rapid. The editorial staff informed me of the progress of the submission step by step. Thank you for your great service and kindness.
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