Case Author(s): Marc Montella, MD and Tom R. Miller, MD, PhD , 6/28/00 . Rating: #D3, #Q4
Diagnosis: Hyperplasia of forearm parathyroid autoimplant
Brief history:
Recurrent Hyperparathyroidism
Images:
Early Image from Parathyroid Study
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Delayed Image from Parathyroid Study
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Spot Image of the Arms from Parathyroid Study (parathyroid implant is in the arm on the right).
Full history/Diagnosis is available below
Diagnosis: Hyperplasia of forearm parathyroid autoimplant
Full history:
This is a 42 year-old woman who underwent a parathyroidectomy 8 years ago for hyperparathyroidism. At that time she had parathyroid re-implanation in the right forearm. She now has recurrent hyperparathyroidism.
Radiopharmaceutical:
21.3 mCi Tc-99m sestamibi i.v.
Findings:
There is moderalely increased uptake in the right forearm at the site of the re-implantation. Thyroid enlargement with heterogenous uptake was due to thyroid disease without evidence of parathyroid adenoma.
Discussion:
Uptake in autoimplanted parathyroid tissue in the arm is unusual. This finding represented parathyroid hyperplasis.
ACR Codes and Keywords:
References and General Discussion of Parathyroid Scintigraphy (Anatomic field:Face, Mastoids, and Neck, Category:Metabolic, endocrine, toxic)
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Case number: pa008
Copyright by Wash U MO
