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fibrous tumors

Thursday 30 October 2003

Collagen-Rich Tumors

See also : fibroblastic tumors

Definition: A fibrous tumor is a tumor that elaborate a significant amount of collagen. Fibroous tumors often contain numerous fibroblastic or myofibroblastic cells (fibroblastic tumors/myofibroblastic tumors ).

Digital cases

- HPC:219 : Desmoid fibromatosis.
- UI:868 - Abdominal desmoid fibromatosis.
- JRC:6487 : Fibroma of tendon sheath.

Localization

- cutaneous fibrous tumors (superficial fibrous tumors)
- deep fibrous tumors

Classification

- Reactive lesions

  • hypertrophic scars
  • keloid

- Benign neoplasms

- benign fibrous histiocytofibroma ( dermatofibroma )

- Locally aggressive fibrous lesions

- Low-grade malignant lesions

- Malignant lesions

Diagnosis of fibrous tumors

- IHC : PanCK , S100 , STAT6 , EMA , CD34

See also

- sclerozing tumors
- fibroblastic tumors
- myofibroblastic tumors

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