Abstract
The aims of the study were to determine the frequency of enlarged parathyroid glands among patients undergoing trauma computed tomography (CT) who fall within the typical primary hyperparathyroidism (PHPT) age range and to assess for evidence of PHPT. For this retrospective study of 336 emergency department patients, concurrent cervical spine CT and neck CT angiography (CTA) examinations were reviewed for visible parathyroid glands. When visible, estimated weight was calculated, and a PHPT likelihood category was assigned after medical record review. At least 1 parathyroid gland was visible in 17 patients (5%) and enlarged (estimated weight > 60 mg) in 11 (3%). Patients classified as "highly likely" or "likely" of having PHPT exhibited larger glands (median, 355 mg) than those classified as "unlikely" or "highly unlikely" (median, 47 mg; P = 0.01). Parathyroid glands were enlarged in 3% of our cohort. Although PHPT likelihood seems to increase with gland size, definitive determination requires both serum calcium and serum parathyroid hormone.
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