Pyogenic granuloma-like Kaposi sarcoma: A diagnostic pitfall

Scott, Pauline L; Motaparthi, Kiran; Krishnan, Bhuvaneswari; Hsu, Sylvia

doi:10.5070/d396z7v7hw

Cited by 11 publications

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“…A few observations of PG-like KS disease have been reported in the literature in both HIV positive and HIV negative patients. [ 1 2 3 4 5 6 7 8 9 ] The most frequent location is the lower extremities, but other rare locations have been reported in the literature. [ 1 3 4 ] In one report, the PG-like KS was initially thought to be a PG of the nasal mucosa.…”

Section: Discussionmentioning

confidence: 99%

“…[ 11 12 ] Histopathological examination and immunohistochemistry are essential for a positive diagnosis. [ 6 ] In PG, an anatomopathological study shows the presence of vascular proliferation in a lobular fashion, fibrous septations, inflammation, and edema resembling granulation tissue with no or rare extravasated red blood cells. In KS, it has a sarcomatous appearance, with solid areas made up of atypical spindle cells with mitosis and remarkable nuclear atypia, slit-like vessels, diffuse extravasated red blood cells, and hemosiderin.…”

Section: Discussionmentioning

confidence: 99%

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Pyogenic Granuloma-Like Kaposi's Sarcoma on the Ear in an Immunocompetent Patient

Agharbi

Albouzidi

Chiheb

2022

Indian Journal of Dermatology

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Botriomycome-like Kaposi disease is a rare clinical and pathological variant of Kaposi disease. Showing features of pyogenic granuloma (PG) and of Kaposi's sarcoma (KS), it was initially named KS-like PG and considered benign.[2] It is now considered a true KS and was renamed PG-like KS due to the clinical course and the presence of human herpes virus-8 DNA.[13],[14] This entity has been mostly described on the lower extremities, but other rare locations such as hand, nasal mucosa, and face have been reported in the literature.[1],[3],[4] The location on the ear in an immune-competent field, like in our patient, is a very rare finding, and very few cases have been reported in the literature.[5]

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