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Parotid angiofibroma.

Neelakamal H Hallur¹, Heena Zainab², Ashwin Shah¹

¹Department of Oral and Maxillofacial Surgery, Al Badar Rural Dental College and Hospital, Gulbarga, Karnataka, India.

Journal of Oral and Maxillofacial Pathology : JOMFP

|October 21, 2014

Summary

This summary is machine-generated.

Extranasopharyngeal angiofibromas (ENA) are rare vascular tumors. This report details the first known case of ENA originating in the parotid gland, expanding the known sites for this tumor.

Keywords:

Angiofibroma superficial parotidectomy vascular tumor

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Area of Science:

Oncology
Pathology
Head and Neck Surgery

Background:

Angiofibromas are rare, benign, locally invasive vascular tumors constituting 0.05-0.5% of head and neck tumors.
Nasopharyngeal angiofibromas (NA) are the most common type, arising from the posterior nasopharynx.
Extranasopharyngeal angiofibromas (ENA) occur outside the nasopharynx, with only 65 cases reported.

Observation:

The most common sites for ENA are the maxilla and ethmoids.
Unusual ENA locations include the nasal cavity, larynx, sphenoid sinus, and oropharynx.
This case represents the first documented instance of ENA originating in the superficial lobe of the parotid gland.

Findings:

Extranasopharyngeal angiofibromas (ENA) exhibit diverse anatomical origins.
The parotid gland is identified as a novel, previously unreported site for ENA.
This finding contributes to the understanding of the anatomical distribution of angiofibromas.

Implications:

This case expands the differential diagnosis for parotid gland tumors.
It highlights the importance of considering rare entities in head and neck pathology.
Further research into the behavior and treatment of ENA in unusual locations is warranted.