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case_images: (A) purple ulcerated nodular plaque 2cmx2cm in diameter, together with another non-ulcerated nodule 1cmx1 cm in diameter on his left side of the hard palate. A small patch of violet plaque was visible behind the ulcerated plaque. (B) After five cycles of doxorubicin treatment, oral lesions had regressed considerably.
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case_images: A small patch of violet plaque was visible behind the ulcerated plaque (Figure 1A). After five cycles of doxorubicin, his oral, skin, and esophagus lesions had regressed considerably (Figure 1B).
case_images: (A) Violaceous ulcerative plaques on esophagus and (B) violaceous plaques on gastric fundus under upper gastrointestinal endoscopy.
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case_images: Upper gastrointestinal endoscopy revealed multiple violaceous plaques on the esophagus and gastric fundus (Figure 2).
case_images: Histological examination revealed proliferating spindle cells with atypia, irregular vascular slits filled with blood cells which accorded with Kaposi sarcoma (hematoxylin and eosin, original magnification, x400).
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case_images: Histopathology revealed proliferating spindle cells with atypia, and irregular vascular slits filled with blood cells (Figure 3).