PMC4065455_01
Intraoral photograph showing buccal left mandibular swelling
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F1
Intraoral examination revealed a single buccal swelling in the left mandibular region extending from 34 to 36, approximately 2 x 1 cm2 in size [Figure 1].
Multilocular radiolucency extending from 36 to 43
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F2
Radiographic examination revealed a multilocular radiolucent area with sclerotic border extending from 36 to 43 region [Figure 2].
Gross specimen: Multiple soft tissue bits with extracted teeth
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F3
Soft tissue showed cystic cavity surrounded by fibrous capsule and was soft in consistency and creamish white in color [Figure 3].
Photomicrograph showing cystic lining exhibiting variable thickness of epithelium, some areas of papillary projection and numerous microcysts formation (H&E stain, x40)
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F4
The cyst was lined by a nonkeratinized stratified squamous epithelium of variable thickness, with flat epithelial connective tissue interface [Figure 4].
Photomicrograph revealing cystic epithelium exhibiting spherule formation with few superficial ciliated cuboidal cells (H&E stain, x200)
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F5
The superficial layer of the epithelial lining consisted of cuboidal and in some areas columnar cells with cilia or filiform-like extensions of the cytoplasm and the epithelium showed spherule arrangement at some places [Figure 5].
Photomicrograph showing numerous microcysts lined by eosinophilic cuboidal cells (H&E stain, x400)
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F6
Small microcysts lined by single layer of cuboidal or columnar cell were present within the epithelium [Figure 6] which contained periodic acid Schiff [PAS] positive secretory product.
Photomicrograph showing PAS-positive mucous cells (PAS stain, x400)
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F7
Numerous PAS-positive goblet cells were present, mainly in the superficial part of the epithelium [Figure 7].