Soft tissue tumor

Soft tissue tumor
SymptomsLump, pain
TypesNoncancerous (benign) or cancerous (malignant)
Diagnostic methodMedical imaging, biopsy
PrognosisVaries with type
FrequencyCommon, ~3,000 new cases per 1 million population annually[1]

A soft tissue tumor is an abnormal growth of tissue in soft tissue.[1] Signs and symptoms include pain and a slow or rapidly growing swelling.[1] Age, gender and site of the tumor can provide clues to the type of tumor.[1] Lipomas are typically painless and rarely occur in the hands and feet or in children.[1] Angiolipomas generally occur as a painful lump in young men and angioleiomyomas typically present as a painful lump in the lower leg of middle-aged females.[1] Around 50% of vascular tumors occur in individuals younger than 20-years of age.[1]

The cause of most is not known.[1] The tumor may arise from connective tissue, fat tissue, skeletal muscle, blood or lymph vessels, and the peripheral nervous system.[2] Diagnosis is typically by medical imaging and biopsy.[1] Noncancerous soft tissue tumors are generally treated by surgical resection.[2] Cancerous ones typically require radiation therapy, chemotherapy, and more complex surgery.[2]

Most are noncancerous (benign), but a few may be cancerous (soft-tissue sarcoma).[3] An estimated 3,000 non-cancerous soft tissue tumor cases per 1 million population occur every year.[1] Around a third are lipomas, a third fibrohistiocytic and fibrous tumours, 10% vascular tumors, and 5% nerve sheath tumors.[1]

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 11 WHO Classification of Tumours Editorial Board, ed. (2020). "1. Soft tissue tumors". Soft Tissue and Bone Tumours: WHO Classification of Tumours. Vol. 3 (5th ed.). Lyon (France): International Agency for Research on Cancer. pp. 3–13. ISBN 978-92-832-4503-2. Archived from the original on 2021-06-13. Retrieved 2022-06-20.
  2. 1 2 3 Shidham, Vinod B. (28 April 2022). "Benign and Malignant Soft-Tissue Tumors: Practice Essentials, Pathophysiology, Etiology". www.emedicine.medscape.com. emedicine. Archived from the original on 20 March 2022. Retrieved 20 June 2022.
  3. ↑ Houdek, Matthew T. (2023). "1. Approach to bone and soft tissue tumors". In Folpe, Andrew L.; Nielsen, Gunnlaugur Petur (eds.). Bone and Soft Tissue Pathology: A Volume in the Foundations in Diagnostic Pathology Series (2nd ed.). Philadelphia: Elsevier. ISBN 978-0-323-75871-0. Archived from the original on 2023-02-26. Retrieved 2023-02-26.
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