Glandular Odontogenic Cyst: The Value of Intraepithelial Hemosiderin

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Glandular odontogenic cyst (GOC) is a relatively rare but well-described clinicopathologic entity. Its rarity and unpredictable clinical behavior are challenging to managing clinicians. Its variable and overlapping histomorphologic features are also diagnostically challenging for pathologists. Other odontogenic cysts and oral cystic neoplasms can simulate GOC. There are specific histologic criteria that help distinguish GOC from other mimickers. To our knowledge, the phenomenon of hemosiderin pigments deposition within the lining glandular epithelium of GOC has not been covered in detail or specifically reported so far in the literature. We report a case of nontraumatized anterior mandibular GOC in a middle-aged male, which histologically showed hemosiderin pigments within the lining epithelium without stromal siderophages. This finding might reflect a nonspecific spontaneous intraluminal hemorrhage. However, intraepithelial hemosiderin in GOC may be an additional helpful diagnostic clue of GOC in challenging cases since this phenomenon has not been reported in other mimicker cystic lesions.

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