Misleading imaging results in the diagnosis of parathyroid cysts

Enlarged cystic parathyroid glands, whether hyperfunctioning or nonfunctioning, are rare and their accurate preoperative diagnosis is a difficult task. The authors report two cases of patients with cystic neck masses studied by Tl-201-Tc-99m pertechnetate subtraction scintigraphy, computerized tomog...

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Bibliographic Details
Published inClinical nuclear medicine Vol. 19; no. 5; p. 422
Main Authors Hughes, C R, Kanmaz, B, Isitman, A T, Akansel, G, Lawson, T, Collier, B D
Format Journal Article
LanguageEnglish
Published United States 01.05.1994
Subjects
Adenoma - diagnosis
Adult
Aged
Cysts - diagnosis
Diagnostic Imaging
Female
Humans
Male
Parathyroid Diseases - diagnosis
Parathyroid Neoplasms - diagnosis
Sodium Pertechnetate Tc 99m
Thallium Radioisotopes
Tomography, X-Ray Computed
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Summary:Enlarged cystic parathyroid glands, whether hyperfunctioning or nonfunctioning, are rare and their accurate preoperative diagnosis is a difficult task. The authors report two cases of patients with cystic neck masses studied by Tl-201-Tc-99m pertechnetate subtraction scintigraphy, computerized tomography, and ultrasonography. The diagnostic consensus of preoperative studies was that these lesions were thyroid nodules or parathyroid adenomas. Surgical removal and histopathologic examination of these masses revealed a cystic parathyroid gland and a cystic parathyroid adenoma, respectively. When a fluid-filled lesion in the neck deep to the lower pole of the thyroid gland is encountered, the possibility of a parathyroid cyst should be considered so that further diagnostic tests can be properly performed.
ISSN:0363-9762
DOI:10.1097/00003072-199405000-00010