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Difference between revisions of "Parathyroid glands"
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→Parathyroid hyperplasia
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*Parathyroid hyperplasia - classically assoc. with renal failure. | *Parathyroid hyperplasia - classically assoc. with renal failure. | ||
===Gross=== | |||
*Classically all parathyroid glands are involved; however, some may be spared making it difficult to differentiate this from parathyroid adenoma.<ref name=Ref_PBoD8_1128>{{Ref PBoD8|1128}}</ref> | *Classically all parathyroid glands are involved; however, some may be spared making it difficult to differentiate this from parathyroid adenoma.<ref name=Ref_PBoD8_1128>{{Ref PBoD8|1128}}</ref> | ||
===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=Ref_PBoD8_1128>{{Ref PBoD8|1128}}</ref> | Features:<ref name=Ref_PBoD8_1128>{{Ref PBoD8|1128}}</ref> | ||
* | *Classically have abundant adipose tissue. | ||
*+/-Water-clear cells ("water-clear cell hyperplasia"). | *+/-Water-clear cells ("water-clear cell hyperplasia"). | ||
Note: | |||
*Generally, it is impossible to discern between [[parathyroid adenoma]]s and [[parathyroid hyperplasia]]s by histology alone.<ref name=Ref_BITFS191>{{Ref BITFS|191}}</ref> | |||
**One requires information of the size of the other glands to make the diagnosis. | |||
DDx: | |||
*[[Parathyroid adenoma]] - classically have a rim of normal parathyroid gland around it. | |||
==Parathyroid adenoma== | ==Parathyroid adenoma== | ||