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Difference between revisions of "Vascular tumours"
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→Kaposi sarcoma: expand, add type, ref. for "not a sarcoma"
m (→Hemangioma) |
(→Kaposi sarcoma: expand, add type, ref. for "not a sarcoma") |
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*Abbreviated ''KS''. | *Abbreviated ''KS''. | ||
===General=== | ===General=== | ||
*Caused by [[Human herpesvirus-8]] (HHV-8). | *Caused by [[Human herpesvirus-8]] (HHV-8). | ||
* | *In the North American context, it is often associated with immunodeficiency, e.g. [[HIV]]/AIDS. | ||
===Stages=== | Interesting note: | ||
*It has been said that KS is not really a sarcoma.<ref name=pmid14521707>{{Cite journal | last1 = Pérez | first1 = A. | last2 = Sánchez | first2 = JL. | last3 = Almodóvar | first3 = PI. | title = Kaposi's sarcoma is not a neoplasm let alone a sarcoma. | journal = Int J Dermatol | volume = 42 | issue = 10 | pages = 844-5 | month = Oct | year = 2003 | doi = | PMID = 14521707 }}</ref> | |||
====Stages==== | |||
It is seen in different stages:<ref>URL: [http://www.histopathology-india.net/KS.htm http://www.histopathology-india.net/KS.htm]. Accessed on: 31 January 2010.</ref><ref>URL: [http://emedicine.medscape.com/article/1083998-clinical#a0217 http://emedicine.medscape.com/article/1083998-clinical#a0217]. Accessed on: 17 November 2011.</ref> | It is seen in different stages:<ref>URL: [http://www.histopathology-india.net/KS.htm http://www.histopathology-india.net/KS.htm]. Accessed on: 31 January 2010.</ref><ref>URL: [http://emedicine.medscape.com/article/1083998-clinical#a0217 http://emedicine.medscape.com/article/1083998-clinical#a0217]. Accessed on: 17 November 2011.</ref> | ||
#Patch stage. | #Patch stage. | ||
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#Infiltrative stage. | #Infiltrative stage. | ||
#Lymphadenopathic stage. | #Lymphadenopathic stage. | ||
Note: | |||
*The first three are the classic ones. | |||
====Type or form==== | |||
Classically divided into four types:<ref name=pmid18219366>{{Cite journal | last1 = Szajerka | first1 = T. | last2 = Jablecki | first2 = J. | title = Kaposi's sarcoma revisited. | journal = AIDS Rev | volume = 9 | issue = 4 | pages = 230-6 | month = | year = | doi = | PMID = 18219366 }}</ref><ref name=pmid17691428>{{Cite journal | last1 = Morand | first1 = JJ. | last2 = Lightburn | first2 = E. | last3 = Simon | first3 = F. | last4 = Patte | first4 = JH. | title = [Update on Kaposi's sarcoma]. | journal = Med Trop (Mars) | volume = 67 | issue = 2 | pages = 123-30 | month = Apr | year = 2007 | doi = | PMID = 17691428 }}</ref> | |||
*Classic = old men Mediterranean or Ashkenazi Jew. | |||
*Endemic = African infants and young males. | |||
*Immunosuppressed (iatrogenic). | |||
*AIDS-related. | |||
===Microscopic=== | ===Microscopic=== | ||