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| Micro = proliferation of parathyroid cells (chief cells, oxyphils or both) usually lacking adipose tissue, +/-rimmed by normal parathyroid gland, lack of destructive invasion of surround structures, lack of metastatic disease | | Micro = proliferation of parathyroid cells (chief cells, oxyphils or both) usually lacking adipose tissue, +/-rimmed by normal parathyroid gland, lack of destructive invasion of surround structures, lack of metastatic disease | ||
| Subtypes = chief cell, oxyphil, mixed | | Subtypes = chief cell, oxyphil, mixed | ||
| LMDDx = [[parathyroid hyperplasia]], [[parathyroid carcinoma]], [[lymph node]], [[thyroid gland]] | | LMDDx = [[parathyroid hyperplasia]], [[parathyroid carcinoma]], [[lymph node]], [[thyroid gland]], [[Hürthle cell adenoma]] of thyroid (for ''oxyphil'' subtype) | ||
| Stains = | | Stains = | ||
| IHC = Ki-67 low | | IHC = Ki-67 low |
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