Soft tissue

Extraskeletal bone tumors

Soft tissue chondroma



Last author update: 1 November 2012
Last staff update: 6 January 2022

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PubMed Search: Extraskeletal chondroma

Vijay Shankar, M.D.
Page views in 2022: 9,590
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Cite this page: Shankar V. Soft tissue chondroma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/softtissueeskchondroma.html. Accessed February 8th, 2023.
Definition / general
  • Benign cartilaginous tumor, usually in adults in hands or feet; may recur locally
Case reports
Clinical images

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Thumb tumor

Foot tumor

Gross description
  • Lobulated, hyaline and calcified
Gross images

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Foot tumor

Microscopic (histologic) description
  • Lobulated on low power
  • Plump tumor cells with fine punctate calcification
  • Nuclear hyperchromasia common
  • May have focal fibrosis
  • May have osteoclast-like giant cells, histiocyte-like cells, vacuoles resembling lipoblasts
Microscopic (histologic) images

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Foot tumor

Cytology images

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Foot tumor

Differential diagnosis
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