Oral cavity & oropharynx

Soft tissue tumors & proliferations

Ectomesenchymal chondromyxoid tumor

Topic Completed: 1 April 2013

Minor changes: 27 July 2021

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PubMed Search: Ectomesenchymal chondromyxoid tumor

Charu Thakral, M.D.
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Cite this page: Thakral C. Ectomesenchymal chondromyxoid tumor. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/oralcavityect.html. Accessed December 7th, 2021.
Definition / general
  • Myxoid tumor of anterior dorsal tongue (first described, Am J Surg Pathol 1995;19:519)
  • Median age 32 years, range 9 - 78 years
  • Slow growing, painless nodules
  • Occasionally recurs after excision
Case reports
Clinical images

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Submucosal swelling

Gross images

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Soft tissue lesion

Microscopic (histologic) description
  • Lobular proliferation of ovoid and fusiform cells with multilobulated nuclei and focal mild atypia in chondromyxoid stroma
  • May entrap nerve or muscle fibers
Microscopic (histologic) images

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Lobular pattern

Net-like pattern

Lesional cells


Positive stains
Negative stains
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