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Warthin Tumor-Like Mucoepidermoid Carcinoma
Nicholas Heatley1, Kevin J Harrington1,2, Khin Thway1,2
11 Royal Marsden Hospital, London, UK.
International Journal of Surgical Pathology
|August 11, 2017
Summary
Mucoepidermoid carcinoma (MEC) can mimic benign Warthin tumor, presenting diagnostic challenges. Awareness of this variant is crucial to ensure accurate diagnosis and appropriate patient follow-up.
Area of Science:
- Head and Neck Pathology
- Oncology
- Surgical Pathology
Background:
- Mucoepidermoid carcinoma (MEC) is the most common salivary gland malignancy, exhibiting diverse histopathological features.
- Recognizing the broad morphologic spectrum of MEC is essential for accurate diagnosis and patient management.
Observation:
- A rare case of parotid gland MEC in a 17-year-old female is presented.
- The MEC extensively displayed oncocytic/squamous metaplasia, cystic architecture, and lymphoid tissue, closely resembling Warthin tumor.
Findings:
- The extensive mimicry of Warthin tumor by this MEC variant underscores the importance of careful histopathological evaluation.
- Diagnostic awareness is critical to prevent misclassification as a benign neoplasm.
Implications:
- Misdiagnosis of this MEC variant as Warthin tumor could lead to premature discharge from follow-up.
- Accurate identification of this MEC subtype is vital for appropriate clinical management and surveillance strategies.
Keywords:
CRTC1-MAML2Warthin tumorhistological mimicmetaplasticmucoepidermoid carcinomaoncocytic variantpathologyMore Related Videos
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