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Kaposi’s sarcoma: Clinico-pathological analysis of human immunodeficiency virus (HIV) and non-HIV associated cases

Content Provider	Springer Nature Link
Author	Hong, Angela Lee, C. Soon
Copyright Year	2002
Abstract	Kaposi’s sarcoma (KS) is a angioformative lesion that classically occurs in elderly Eastern European and Mediterranean males but is also common in immunosuppressed individuals particularly human immunodeficiency virus (HIV)-infected patients. This study investigates the clinical and histopathological features of 47 patients with Kaposi’s sarcoma from a teaching hospital in Sydney, Australia, in which 44 cases had adequate clinical follow-up information over a 10-year period. Most of the lesions were of late stage (37/47 cases; 79%), consisting of 11 cases of plaque stage KS and 26 cases of nodular stage KS with only 10 cases of early or patch stage KS. The majority of the HIV-positive cases (23/33; 70%) and all of the HIV-negative (14/14; 100%) cases had late stage lesions (p=0.020; X$^{2}$-test). The histopathological features that were more common in the KS lesions of HIV-negative patients were lesional cell mitosis (p=0.0002), single cell necrosis (p=0.001), apoptosis (p=0.0001) and single cell anaplasia (p=0.0001). The KS lesions in HIV-positive patients tended to have dissecting blood vessels (14/33 cases; 42%) unlike those seen in HIV-negative patients (0/14 cases; 0%) (p=0.004). Most HIV-positive cases (30/33; 90%) were males (p=0.0068); and all these patients (33/33 cases; 100%) were <60 years old, in contrast to HIV-negative patients (1/11 cases; 9%) (p=0.0001). HIV status does not affect the occurrence of multiplicity of KS lesions. However, extracutaneous or visceral KS lesions were more likely to occur in HIV-positive patients (p=0.027). The number of cases of histologically proven KS cases has decreased markedly over the recent 5 year period of 1995–1999 (n=14), which was less than half of the number of the preceding 5 year period, 1990–1994 (n=33). In summary, there are distinct differences in the clinical and histopathological features of Kaposi’s sarcoma lesions in HIV-positive and HIV-negative patients. Despite the recent discovery of the HHV8 virus as the initiating and promoting factor of most of the KS lesions, these differences indicated that there might be different mechanisms that occur in HIV-positive and HIV-negative patients in the development of this lesion.
Starting Page	31
Ending Page	35
Page Count	5
File Format	PDF
ISSN	12194956
Journal	Pathology & Oncology Research
Volume Number	8
Issue Number	1
Language	English
Publisher	Springer Netherlands
Publisher Date	2002-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Kaposi’s sarcoma human immunodeficiency virus HIV neoplasia human herpesvirus 8 HHV8 Cancer Research Oncology Pathology Immunology Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Cancer Research Pathology and Forensic Medicine Oncology

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