PMC3375038_01
Verrucous white lesion in the right maxillary alveolar ridge, extending to buccal vestibule and cheek.
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fig1
Clinical examination revealed the presence of a wide verrucous white lesion in the molars region of the maxillary alveolar ridge, extending to buccal vestibule, cheek, and labial mucosa (Figure 1).
Histologic section showing stratified squamous epithelium with intense hyperplasia and hyperparakeratosis (hematoxylin and eosin stain, original magnification x25).
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Microscopic features showed stratified squamous epithelium with intense hyperplasia, hyperparakeratosis, low atypia degree and formation of keratin pearls (Figure 2).
Histologic section showing low atypia degree, formation of keratin pearls, and, subjacent to epithelium, dense inflammatory infiltrate (hematoxylin and eosin stain, original magnification x100).
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Subjacent to epithelium, a moderate and dense inflammatory infiltrate was observed (Figure 3).
One-year follow-up photograph showing no local recurrence.
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The postoperative course was uneventful and a one-year followup did not detect local or regional recurrence (Figure 4).