Parathyroid adenoma
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Synopsis

Benign condition characterized by a proliferation of parathyroid cells, often in a nodule within the parathyroid gland. Parathyroid adenomas are often responsible for hyperparathyroidism, which leads to abnormal production of parathyroid hormone, resulting in hypercalcemia. When symptomatic, patients may present with constipation, nausea, muscle weakness, lethargy, memory impairment, and depressed mood.
Codes
ICD10CM:
D35.1 – Benign neoplasm of parathyroid gland
SNOMEDCT:
128474007 – Parathyroid adenoma
D35.1 – Benign neoplasm of parathyroid gland
SNOMEDCT:
128474007 – Parathyroid adenoma
Differential Diagnosis & Pitfalls
Parathyroid masses:
- Parathyroid hyperplasia
- Parathyroid lipoadenoma
- Parathyroid carcinoma
- Ectopic thyroid tissue
- Thyroid tumor or malignancy
- Multinodular goiter
- Thyroiditis
- Metastasis to thyroid
- Multiple endocrine neoplasia (type 1, type 2a)
- Secondary hyperparathyroidism
- Tertiary hyperparathyroidism
- Renal failure
- Hypercalcemia of malignancy
- Familial hypercalcemia
- Multiple myeloma
- Hypervitaminosis D
- Sarcoidosis
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Last Updated:08/11/2016