The clinical presentation of granulomatous lesions of the salivary glands can be misdiagnosed in the light of their infrequent occurrence in a general otolaryngologic practice. The differential diagnosis includes inflammatory conditions, immunologic disorders, trauma, cysts, systemic disorders and neoplasms. Preoperative diagnosis is difficult, as the disease can be mistaken for a neoplasm. Fine needle aspiration biopsy, computerized tomographic scan analysis, sialography, and chest radiography can give nonspecific results, especially in the absence of history of pulmonary tuberculosis. 1 We report a case of tuberculosis of the parotid gland presenting as a parotid mass. The otolaryngologic manifestations of tuberculosis will be discussed.
We emphasize that although ectopic bronchogenic cysts are rare lesions of the head and neck, especially in the upper lateral neck, they should be included in the differential diagnosis in the evaluation of congenital neck cysts.
In adults, an arteriovenous malformation is a rare presentation of a parotid mass with only a few cases reported in the literature. The clinical picture and behavior may be quite misleading. Careful examination with a high index of suspicion may reveal certain characteristic symptoms, signs and radiologic findings. A rare case of arteriovenous malformation of the parotid gland is presented with a brief review of the diagnostic workup and treatment of such lesions.
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