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Updated: Jan 30, 2026

Retrograde Parotid Gland Infusion through Stensen's Duct in a Non-Human Primate for Vectored Gene Delivery
Published on: August 12, 2021
Oncocytoma Parotid Gland
Vikas Sharma1, Sunil Kumar1, Ashwani Sethi1
1Department of ENT, Base Hospital Delhi Cantt, New Delhi, India.
Parotid oncocytoma, a rare salivary gland tumor (<1%), is often misdiagnosed due to its subtle presentation. Definitive diagnosis requires histopathology, guiding optimal treatment strategies for this uncommon oncocytosis.
Area of Science:
- Oncology
- Pathology
- Otolaryngology
Background:
- Parotid oncocytoma is an exceptionally rare neoplasm, accounting for less than 1% of all salivary gland tumors.
- Its clinical presentation frequently leads to misdiagnosis as more common conditions like pleomorphic adenoma or hemangioma.
Observation:
- A case study involving a 70-year-old male with a 9-year history of parotid gland swelling is presented.
- The swelling was eventually diagnosed as parotid oncocytoma.
Findings:
- Histopathological examination is the definitive method for diagnosing parotid oncocytoma.
- The rarity and non-specific symptoms of parotid oncocytoma contribute to diagnostic challenges.
Implications:
- Accurate and timely diagnosis of parotid oncocytoma is crucial for effective management.
- A comprehensive diagnostic workup and tailored treatment strategy are essential for patients with this rare tumor.
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