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Human herpesvirus 8-associated colonic Kaposi's sarcoma during vedolizumab treatment in ulcerative colitis: a case report and review of the literature.


ABSTRACT: BACKGROUND:Kaposi's sarcoma (KS) is a rare vascular tumor associated with human herpesvirus (HHV)-8 infection. One of the variants of KS is defined iatrogenic and is overall reported in transplanted patient but also, although less frequently, in patients treated with long-standing immunosuppressive therapy, such as in inflammatory bowel disease including ulcerative colitis and Crohn's disease. CASE PRESENTATION:Herein, we report the first case of KS in a human immunodeficiency virus (HIV)-negative 47-year old male with UC after treatment with the ?4-?7 integrin inhibitor vedolizumab (VDZ). The patient underwent to colectomy for a medical refractory disease and the histological examination of the surgical specimen showed the typical findings of KS together with the HHV-8 positivity. The patient achieved a good health status, without any sign of disease recurrence. CONCLUSIONS:In the present case, we can assume that VDZ may have promoted the reactivation of a latent HHV-8 infection endowed with oncogenic potentialities and, in turn, the onset of KS. We also briefly reviewed all the cases of KS in HIV-negative patients with inflammatory bowel disease.

SUBMITTER: Papa V 

PROVIDER: S-EPMC7092561 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Human herpesvirus 8-associated colonic Kaposi's sarcoma during vedolizumab treatment in ulcerative colitis: a case report and review of the literature.

Papa Valerio V   Giustiniani Maria Cristina MC   Lopetuso Loris Riccardo LR   Papa Alfredo A  

BMC gastroenterology 20200324 1


<h4>Background</h4>Kaposi's sarcoma (KS) is a rare vascular tumor associated with human herpesvirus (HHV)-8 infection. One of the variants of KS is defined iatrogenic and is overall reported in transplanted patient but also, although less frequently, in patients treated with long-standing immunosuppressive therapy, such as in inflammatory bowel disease including ulcerative colitis and Crohn's disease.<h4>Case presentation</h4>Herein, we report the first case of KS in a human immunodeficiency vir  ...[more]

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