Parathyroid hyperplasia

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Parathyroid hyperplasia is an abnormal proliferation of the parathyroid glands and a relatively common cause of hyperparathyroidism that is typically associated with chronic renal failure.[1]

General

Gross

  • Classically all parathyroid glands are involved; however, some may be spared making it difficult to differentiate this from parathyroid adenoma.[3]

Microscopic

Features:[3]

  • Classically have abundant adipose tissue.
  • +/-Water-clear cells ("water-clear cell hyperplasia").

Note:

DDx:

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Clinical history is suggestive

A. Right Superior Parathyroid, Excision:
- Parathyroid tissue compatible with hyperplasia.

B. Right Inferior Parathyroid, Excision:
- Parathyroid tissue compatible with hyperplasia.

C. Portion of Left Inferior Parathyroid, Excision:
- Parathyroid tissue compatible with hyperplasia.

D. Left Superior Parathyroid, Excision:
- Parathyroid tissue compatible with hyperplasia.

See also

References

  1. Jamal, SA.; Miller, PD.. "Secondary and tertiary hyperparathyroidism.". J Clin Densitom 16 (1): 64-8. doi:10.1016/j.jocd.2012.11.012. PMID 23267748.
  2. URL: http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970475-2. Accessed on: 29 July 2010.
  3. 3.0 3.1 Kumar, Vinay; Abbas, Abul K.; Fausto, Nelson; Aster, Jon (2009). Robbins and Cotran pathologic basis of disease (8th ed.). Elsevier Saunders. pp. 1128. ISBN 978-1416031215.
  4. Taxy, J.; Husain, A; Montag, A. (2009). Biopsy Interpretation: The Frozen Section (1st ed.). Lippincott Williams & Wilkins. pp. 191. ISBN 978-0781767798.