C. Tissular pathology

• urothelial metaplasia
  11 February

  transitional cell metaplasia
  Images
  https://twitter.com/slusagar/status/1491789058141425677
  Conclusion
  prostatic anomalies
  urothelial metaplasia

• chondroid metaplasia in fibroepithelial polyp
  27 January

  In :
  gingiva #27790592#
  tongue #11535160#

• chondroid metaplasia
  27 January

  Examples
  chondroid metaplasia in chronic synovitis synovial chondromatosis https://twitter.com/Dermpathl/status/1498318304317902849
  in pigmented villonodular synovitis (#17334342#)
  in Tenosynovial Giant Cell Tumor, Localized Type (#31771368#, #29215692#)

• fat-containing anomalies
  30 December 2021

  fat-containing lesions
  In the thyroid
  The differential diagnosis of macroscopic fat-containing thyroid lesions mainly includes thyrolipomatosis and amyloid goiter.
  The first one is characterized by diffuse infiltration of the normal parenchyma by mature adipose tissue between follicles and no evidence of a capsule. Stromal fibrosis and lymphocytic aggregates are occasionally observed.
  Amyloid goiter is associated with systemic disease and histologic evidence of amyloid deposition (...)

• keratin
  29 December 2021

  Images
  https://twitter.com/JMGardnerMD/status/1475814301432791045
  Pathology
  keratin pearl
  keratin granuloma

• histiocytic nodules
  8 October 2021

  Examples
  Juvenile xanthogranuloma and Touton cells https://twitter.com/histiocytosisX/status/886280528973922304 https://twitter.com/DanglisFotiosMD/status/867983078236463104 https://twitter.com/NejibY/status/893195720244813826 https://twitter.com/PathologyTweet/status/870628660964995073 https://twitter.com/Dermpathl/status/830899773330821120 https://twitter.com/RoshanNasim/status/813811749891620868 https://twitter.com/MegKetchamMD/status/791635082452885504 (...)

• inflammatory polyp
  2 September 2021

  Localization
  nasal inflammatory polyp
  digestive inflammatory polyp rectal inflammatory polyp

• diffuse accumulation of an amorphous eosinophilic material
  31 August 2021

  Examples
  amyloidosis

• myxoid anomalies
  17 April 2021

  myxoid lesions
  Types
  myxoid transformation myxoid bursitis
  myxoid tumors
  References
  Soft-Tissue Myxomatous Lesions https://pubs.rsna.org/doi/pdf/10.1148/rg.344130110

• glandular cyst
  23 March 2021

  glandular cyst / glandular cysts
  Examples
  mucous cyst / mucous cysts
  transformation glandulocystic
  See also
  cysts
  glandular anomalies

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