PMC5297267_01
(a) Mass with a granular surface involving the lateral border of the tongue. (b) Mass with a granular surface in the right retromolar trigone. (c) Cobblestone like swelling in the lower lip mucosa
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F1
Clinical examination revealed firm nontender infiltrating masses involving the right lateral side of the tongue (3 x 2 cm) [Figure 1a] and right retromolar trigone (2 x 2 cm) [Figure 1b] with granular surfaces, swelling of the lower lip mucosa with cobblestoning [Figure 1c], and multiple palpable, nontender, firm, and mobile lymph nodes on both sides of the neck.
(a) Well-demarcated granulomas in an edematous stroma under the hyperplastic stratified squamous epithelium (hematoxylin-eosin stain, original magnification: x100). (b) Granuloma formation consisting of epitheloid cells surrounded by lymphocytes in an edematous stroma (hematoxylin-eosin stain, original magnification: x400)
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F2
The histopathologic examination of the oral lesion together with Erlich-Ziehl-Neelsen stain for acidoresistant bacilli (ARB) and periodic acid schiff (PAS) stain showed well-demarcated granuloma formation consisting of epitheloid cells surrounded by lymphocytes in an edematous stroma [Figure 2].