| Lymphoepithelial Carcinoma of the Parotid Gland, Mimicking Malignancy of Unknown Origin(MUO) in the Head and Neck |
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Jun Oh Park;Jeon Yeob Jang;Young-Hyeh Ko;Han-Sin Jeong |
| 원발미상암으로 오인된 이하선 림프상피암종 |
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박준오;장전엽;고영혜;정한신 |
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| Abstract |
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Neck mass is a common manifestation from head and neck malignancy, most of which come from mucosal squamous cell carcinomas in the upper aero-digestive tract. However, once aspiration cytology suggests atypical malignant cells in the neck mass rather than metastatic squamous cell carcinomas, it is confusing to decide the adequate diagnostic work-ups and treatment planning. Here, we report a 29-year-old woman presenting with a growing neck mass mimicking malignancy of unknown origin, which was finally diagnosed as primary lympho-epithelial carcinoma in the parotid gland with multiple metastases to the lymph nodes. The patient underwent comprehensive neck dissection and total parotidectomy and the adjuvant radiation treatment was given. Our re-port highlight that the primary salivary gland cancer should be considered as the potential tumor origin in case of malignancy of unknown origin in the head and neck region and neck mass suggestive of atypical carcinomas. |
| Key Words:
Lymphoepithelial carcinoma, Salivary gland tumor, Parotid glandㆍMalignancy of unknown origin |
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