Idiopathic gingival papillokeratosis with crypt formation

 , a report of 7 cases of a previously undescribed entity: possible unusual oral epithelial nevus?

via Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology

Publication date: March 2017
Source:Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, Volume 123, Issue 3
Author(s): Vikki L. Noonan, Sook-Bin Woo, Devaki Sundararajan, Sadru Kabani, George Gallagher
We report 7 cases of hitherto undescribed keratotic papillary plaques of uncertain etiology involving the gingiva. All 7 cases presented on the anterior maxillary attached gingiva of patients in the second decade. The lesions were asymptomatic and 86% (6 of 7 cases) presented in a bilateral symmetric distribution. Microscopically, the lesions exhibited parakeratosis and papillary acanthosis with parakeratin-filled crypts. No specific etiology such as a factitial habit or a common exogenous agent has been identified. The possibility of a developmental etiology such as an oral epithelial nevus cannot be entirely excluded. We propose the descriptive term idiopathic gingival papillokeratosis with crypt formation (IGPC) for this condition.

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