PMC4916285_01
Pink and purple colored mass with lobular contours on the epiglottis laryngeal surface near the aryepiglottic fold.
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fig1
It was vegetating, pink and purple in color, multilobular, fragile, and shaped like a bunch of grapes and was covering the bleeding airway passage (Figure 1).
One week after endolaryngeal laser surgery, glottic levels were intact and white-colored granulation tissues were observed.
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fig2
Tumoral mass consisting of fusiform cells under the surface epithelium (original magnification, H&E x40).
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fig3
In the histopathological examination of the mass, a tumoral mass consisting of fusiform cells under the surface epithelium was observed in preparations stained with hematoxylin-eosin (Figure 3).
Some fusiform cells creating slits and bundle structures involving erythrocytes (original magnification, H&E x100).
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fig4
Some of the fusiform cells constituted slits and bundle structures involving erythrocytes (Figure 4).
Common CD31 positivity in tumoral cells (original magnification, H&E x100).
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fig5
After staining the tumoral tissue with common CD31, the diagnosis of Kaposi's sarcoma was made and an apparent nuclear HHV-8 positivity was observed (Figures 5 and 6).
Apparent nuclear HHV-8 positivity in tumor cells (original magnification, H&E x100).
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fig6
After staining the tumoral tissue with common CD31, the diagnosis of Kaposi's sarcoma was made and an apparent nuclear HHV-8 positivity was observed (Figures 5 and 6).