Kaposi's sarcoma

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Kaposi's sarcoma, multiple haemorrhagic sarcoma
Other namesKaposi sarcoma
Kaposis sarcoma 01.jpg
Kaposi sarcoma. Characteristic purple lesions on the nose in an HIV-positive female.[1]
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SymptomsPurple colored skin lesions[4]
TypesClassic, endemic, immunosuppression therapy-related, epidemic[4][5]
Risk factorsHuman herpesvirus 8 (HHV8), poor immune function[4][6]
Diagnostic methodTissue biopsy, medical imaging[6][4]
Differential diagnosisBlue rubber bleb nevus syndrome, pyogenic granuloma, melanocytic nevi, melanoma[6]
TreatmentSurgery, chemotherapy, radiation therapy, biologic therapy[4]

Kaposi's sarcoma (KS) is a type of cancer that can form masses in the skin, lymph nodes, or other organs. The skin lesions are usually purple in color. They can appear singularly, in a limited area, or be widespread.[6] Lesions may be flat or raised.[4]


  1. Sand, M; Sand, D; Thrandorf, C; Paech, V; Altmeyer, P; Bechara, FG (4 June 2010). "Cutaneous lesions of the nose". Head & Face Medicine. 6: 7. doi:10.1186/1746-160X-6-7. PMC 2903548. PMID 20525327.
  2. Collins English Dictionary – Complete and Unabridged, 12th Edition 2014. S.v. "Kaposi's sarcoma." Retrieved August 15, 2017 from http://www.thefreedictionary.com/Kaposi's+sarcoma
  3. Random House Kernerman Webster’s College Dictionary. S.v. "Kaposi's sarcoma." Retrieved August 15, 2017 from http://www.thefreedictionary.com/Kaposi's+sarcoma
  4. 4.0 4.1 4.2 4.3 4.4 4.5 "Kaposi Sarcoma Treatment". National Cancer Institute. 16 June 2017.
  5. Schneider JW, Dittmer DP (August 2017). "Diagnosis and Treatment of Kaposi Sarcoma". American Journal of Clinical Dermatology. 18 (4): 529–539. doi:10.1007/s40257-017-0270-4. PMC 5509489. PMID 28324233.
  6. 6.0 6.1 6.2 6.3 Schwartz RA, Micali G, Nasca MR, Scuderi L (August 2008). "Kaposi sarcoma: a continuing conundrum". Journal of the American Academy of Dermatology. 59 (2): 179–206, quiz 207–8. doi:10.1016/j.jaad.2008.05.001. PMID 18638627.

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