Related Experiment Video
Updated: Mar 2, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
Published on: July 14, 2023
Spontaneous resolution of hypercalcemia
Emily N Ahadizadeh1, Nauman F Manzoor2, Jay Wasman3
1Ear, Nose, and Throat Institute, University Hospitals Cleveland Medical Center, 11100 Euclid Avenue, LKS 4500, Cleveland, OH, United States; Case Western Reserve University, School of Medicine, 10900 Euclid Avenue, Cleveland, OH, United States.
Background:
Primary hyperparathyroidism (PHPT) is a frequently encountered endocrine disorder due to benign neoplastic lesions or gland hyperplasia. It is often discovered incidentally when routine lab work reveals hypercalcemia.
Methods:
This case presents a 55-year-old male with a neck mass and electrolyte irregularities consistent with PHPT. However, his laboratory values suddenly normalized prior to surgery.
Results:
Post-operative pathologic analysis of the specimen demonstrated massive infarction of the affected gland, and explained the spontaneous resolution of the patient's electrolyte derangements.
Conclusions:
The objective of this case study is to demonstrate the importance of further investigation in patients with fluctuating lab values and emphasize the potential dangers of gland infarction.
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