case_images: PMC5726695_01
case_images: A. Clinical aspect of the lesion on the first visit.
  B. Clinical aspect of the lesion on the first visit
case_images: abd-92-05-s1-0110-g01.jpg
case_images: PMC5726695_01_abd-92-05-s1-0110-g01.jpg
case_images: f1
case_images: We collected a detailed history and on physical examination a painless tumor with an erythematous surface and an ulcerated area was observed on the right upper gingiva (Figure 1).
case_images: A. Histopathology showing lymphoid proliferation and intense
  cellular pleomorphism (Hematoxylin & eosin, X40). B. hybridization
  confirming the presence of Epstein-Barr virus(X40)
case_images: abd-92-05-s1-0110-g02.jpg
case_images: PMC5726695_01_abd-92-05-s1-0110-g02.jpg
case_images: f2
case_images: Intense pleomorphism and multiple mitotic figures were also observed (Figure 2A). In situ hybridization was positive for EBV (Figure 2B).
case_images: A and B. Complete remission of the lesion after
  chemotherapy
case_images: abd-92-05-s1-0110-g03.jpg
case_images: PMC5726695_01_abd-92-05-s1-0110-g03.jpg
case_images: f3
case_images: Afterwards, she presented with complete remission of the lesion (Figure 3).