Author:
Künzel J.,Agaimy A.,Krause S.W.,Vieth M.,Alexiou C.
Abstract
Parotid metastases from non–head-and-neck cancers are rare and may represent a diagnostic and therapeutic challenge. A late metastasis to the parotid gland from a seminoma is an unusual manifestation of disease. A 45-year-old man with a history of testicular seminoma 5 years earlier presented with a rapidly progressing parotid mass. Ultrasonography and computed tomography showed a space-occupying lesion at the angle of the right jaw. The mass was infiltrating into the parotid gland and into the parapharyngeal space. A primary parotid neoplasm was suspected, and panendoscopy combined with open biopsy was performed. Histology examination confirmed a seminoma metastatic to the parotid gland, and comparison with the primary tumour showed identical histology. The patient received chemotherapy for recurrent seminoma in accordance with the PEI (cisplatin, etoposide, ifosfamide) protocol. After 4 courses of chemotherapy, salvage radical parotidectomy with removal of all suspicious residual tumour tissue was performed. This case illustrates the difficulties that may be encountered in the differential diagnosis of parotid gland masses and underlines the necessity for a detailed clinical history and for strong interdisciplinary collaboration between oncologists and pathologists to correctly diagnose cases with such unusual presentations.
Cited by
3 articles.
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