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Results: 6

1.
Fig. (3)

Fig. (3). From: A Keratocyst in the Buccal Mucosa with the Features of Keratocystic Odontogenic Tumor.

Operative finding
A well-circumscribed mass is exposed anteriorly to the masseter muscle.

Kazuhiko Yamamoto, et al. Open Dent J. 2013;7:152-156.
2.
Fig. (4)

Fig. (4). From: A Keratocyst in the Buccal Mucosa with the Features of Keratocystic Odontogenic Tumor.

Extirpated lesion
The lesion is cystic and covered with a thin smooth wall.

Kazuhiko Yamamoto, et al. Open Dent J. 2013;7:152-156.
3.
Fig. (6)

Fig. (6). From: A Keratocyst in the Buccal Mucosa with the Features of Keratocystic Odontogenic Tumor.

Immunohistochemical findings
Immunohistochemical staining was performed using serial sections of the specimen shown in Fig. (5b).
a: CK17 (E3; Dako)
b: CK10 (DE-K10; Dako)
c: Ki-67 (MIB-1; Dako)

Kazuhiko Yamamoto, et al. Open Dent J. 2013;7:152-156.
4.
Fig. (1)

Fig. (1). From: A Keratocyst in the Buccal Mucosa with the Features of Keratocystic Odontogenic Tumor.

Intraoral finding
Swelling is observed at the right buccal mucosa (dotted area) posterior to the orifice of Stensen’s duct (arrow head).

Kazuhiko Yamamoto, et al. Open Dent J. 2013;7:152-156.
5.
Fig. (5)

Fig. (5). From: A Keratocyst in the Buccal Mucosa with the Features of Keratocystic Odontogenic Tumor.

Histological findings
a: The cyst wall is lined with parakeratinized squamous cells with a corrugated surface.
b: Nuclei of the cells in the basal layer are palisaded. The rete ridge of the epithelium is not evident.

Kazuhiko Yamamoto, et al. Open Dent J. 2013;7:152-156.
6.
Fig. (2)

Fig. (2). From: A Keratocyst in the Buccal Mucosa with the Features of Keratocystic Odontogenic Tumor.

Imaging
a: Axial CT, b: Axial MRI (T1WI), c: Axial MRI (T2WI)
A well-circumscribed low density mass is observed in the right buccal region anterior to the masseter muscle in CT (arrow head). It shows a low signal on T1-weighted MRI and a heterogeneous high signal on T2-weighted MRI (arrow head).

Kazuhiko Yamamoto, et al. Open Dent J. 2013;7:152-156.

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