Granular Cell Ameloblastomatous Transformation From the Remnants of a Dentigerous Cyst: A Unique Case Report
Manjula Hebbale, Prashant Rao, Rajshekhar Halli, Priya Deo
TL;DR
This paper reports a rare case of granular cell ameloblastoma developing from a dentigerous cyst, highlighting its diagnostic and treatment challenges.
Contribution
The novelty lies in documenting a unique case of ameloblastoma arising from a dentigerous cyst and emphasizing its potential for neoplastic transformation.
Findings
Granular cell ameloblastoma can arise from the remnants of a dentigerous cyst.
The dentigerous cyst lining has potential to transform into various neoplasms like ameloblastoma or carcinoma.
Abstract
Granular cell ameloblastoma is a unique, infrequent histologic variant of unicystic/multicystic ameloblastoma showing distinct histologic and immunohistochemical features. The prognosis and treatment are similar to other common subtypes of solid or multicystic ameloblastoma. Granular cell ameloblastoma should be distinguished from other lesions with granular cells mainly due to its high risk of recurrence. Although it is rare, it has greater recurrence potential and chances of malignant potential. A better knowledge of the molecular pathogenesis of ameloblastoma and its various subtypes may provide diagnostic and therapeutic benefits. We are reporting a case of granular cell ameloblastoma arising from the wall of a dentigerous cyst. The lining of the dentigerous cyst shows a potential for neoplastic transformation to ameloblastoma, squamous cell carcinoma, and mucoepidermoid carcinoma.
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Taxonomy
TopicsOral and Maxillofacial Pathology · Tumors and Oncological Cases · Oral and Craniofacial Lesions