Difference between revisions of "Perinephric myxoid pseudotumour of fat"

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(Created page with "'''Perinephric myxoid pseudotumour of fat''', abbreviated '''PMPF''', is a rare lesion found around the kidney.<ref>{{cite journal |authors=Dashti NK, Fritchie KJ, Folpe A...")
 
 
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*Non-tumour kidney - typically [[medical kidney disease]].
*Non-tumour kidney - typically [[medical kidney disease]].
*Good outcome.
*Good outcome.
*Typically an incidental finding.


==Microscopic==
==Microscopic==
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DDx:
DDx:
*[[Angiomyolipoma]]
*[[Angiomyolipoma]]
*[[IgG4-disease]].
*[[IgG4-related disease]].
*[[Myelolipoma]].
*[[Myelolipoma]].



Latest revision as of 12:46, 26 March 2024

Perinephric myxoid pseudotumour of fat, abbreviated PMPF, is a rare lesion found around the kidney.[1]

General

  • Often elderly male.
  • Non-tumour kidney - typically medical kidney disease.
  • Good outcome.
  • Typically an incidental finding.

Microscopic

Features:

  • Myxoid background.
  • Mature fat without significant atypia.
  • Perivascular hyalinization.
  • Fibrosis.

DDx:

References

  1. Dashti NK, Fritchie KJ, Folpe AL (May 2019). "Perinephric myxoid pseudotumor of fat: a distinctive pseudoneoplasm most often associated with non-neoplastic renal disease". Hum Pathol 87: 37–43. doi:10.1016/j.humpath.2019.02.005. PMID 30826321.