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Odontogenic Myxoma with Osteocementum-like Calcifications: A Rare Histological Variant


Affiliations
1 Department of Oral Anatomy, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak-124001, Haryana, India
2 Department of Oral Pathology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak-124001, Haryana, India
     

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Odontogenic myxoma is a benign, locally aggressive neoplasm of mesenchymal origin. Histologically, the tumor exhibits spindle or stellate cells embedded in loose myxoid extracellular matrix and sometimes sparsely scattered residual bone and dystrophic mineralization in tumor stroma. Although, lesion sometimes presents with residual bony trabeculae but the formation of osteocementum-like calcifications is an extremely rare phenomenon. The present paper highlights two cases of odontogenic myxoma with osteocementum-like calcifications with emphasis on additional differential diagnosis that arose because of them and their effect on behavior of the lesion.


Keywords

Differential diagnosis, Odontogenic myxoma, Osteocementum-like calcifications, Residual Bone.
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  • Odontogenic Myxoma with Osteocementum-like Calcifications: A Rare Histological Variant

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Authors

Shruti Gupta
Department of Oral Anatomy, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak-124001, Haryana, India
Mala Kamboj
Department of Oral Pathology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak-124001, Haryana, India
Anjali Narwal
Department of Oral Pathology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak-124001, Haryana, India
Anju Devi
Department of Oral Pathology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak-124001, Haryana, India

Abstract


Odontogenic myxoma is a benign, locally aggressive neoplasm of mesenchymal origin. Histologically, the tumor exhibits spindle or stellate cells embedded in loose myxoid extracellular matrix and sometimes sparsely scattered residual bone and dystrophic mineralization in tumor stroma. Although, lesion sometimes presents with residual bony trabeculae but the formation of osteocementum-like calcifications is an extremely rare phenomenon. The present paper highlights two cases of odontogenic myxoma with osteocementum-like calcifications with emphasis on additional differential diagnosis that arose because of them and their effect on behavior of the lesion.


Keywords


Differential diagnosis, Odontogenic myxoma, Osteocementum-like calcifications, Residual Bone.

References





DOI: https://doi.org/10.18311/jpfa%2F2020%2F25081