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Peripheral squamous odontogenic tumor.

N Malathi¹, T Radhika, Chelvan H Thamizh

¹Department of Oral and Maxillofacial Pathology, Faculty of Dental Sciences, Sri Ramachandra University and Hospital, Porur, Chennai - 600116, Tamil Nadu, India.

Indian Journal of Dental Research : Official Publication of Indian Society for Dental Research

|September 5, 2012

Summary

This summary is machine-generated.

A rare peripheral squamous odontogenic tumor (PSOT) was found in a 60-year-old female. This benign oral tumor presented as a gum growth, not a bone lesion, with characteristic microscopic features.

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Area of Science:

Oral pathology
Odontogenic tumors
Surgical pathology

Background:

Peripheral squamous odontogenic tumor (PSOT) is a rare odontogenic neoplasm.
These tumors arise from the peripheral soft tissues of the jaws, distinct from central intraosseous lesions.

Observation:

A sessile growth was observed in the right posterior mandible of a 60-year-old female patient.
Radiographic examination showed no evidence of a central bone lesion, suggesting a peripheral origin.

Findings:

Histopathological examination revealed benign-appearing islands of squamous epithelium within mature fibrous connective tissue.
Microscopic features included peripheral cuboidal/flattened cells, microcyst formation, individual cell keratinization, and keratin pearl formation, consistent with PSOT.

Implications:

Accurate diagnosis of peripheral squamous odontogenic tumor is crucial for appropriate management.
Understanding the peripheral nature and histopathological characteristics aids in differentiating PSOT from other oral lesions.