PARATHYROID CYST - A RARE ENTITY OF CRYSTAL-CLEAR FLUID IN THE NECK
Keywords:parathyroid cyst, crystal-clear fluid, neck mass
Parathyroid cyst is one of the less common causes (<0.1%) of neck masses. More than 90% of reported parathyroid cysts are non-functional cysts which are often misdiagnosed as thyroid cysts. A presumptive diagnosis of parathyroid cyst is made when characteristic crystal-clear fluid is aspirated from a neck mass and the diagnosis is then confirmed by parathyroid hormone (PTH) assay.
To describe clinical presentations and managements of parathyroid cysts seen in our thyroid clinic over the past 15 years (2004 to 2018).
Parathyroid cysts are very rare and often mistaken as thyroid nodules. Crystal-clear fluid from cystic aspiration with PTH detection could lead to a definitive diagnosis of parathyroid cyst.
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