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Arch Otolaryngol Head Neck Surg. 2004;130:999.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Diagnosis: Parapharyngeal lipoma

Neoplasms arising from the parapharyngeal space represent 0.5% of all tumors of the head and neck. Of these, approximately 50% are of salivary gland origin, 30% are neurogenic neoplasms, and 5% are malignant lymphomas; the rest are sarcomas and other unusual tumors.¹ Approximately 13% of lipomas arise in the head and neck region. Most of them occur subcutaneously in the posterior aspect of the neck. Lipomas rarely develop in the anterior aspect of the neck or in the oral cavity, parotid glands, hypopharynx, larynx, or nasopharynx; they occasionally occur intracranially as well as in the parapharyngeal space. They may be single or multiple and superficial or deep.²

Lipomas consist of adipose tissue cells separated by fibrous trabeculae and circumscribed by a delicate fibrous capsule. If a considerable amount of fibrous tissue is present, the tumor is called a fibrolipoma. ³ Histologically, lipomas are completely benign, but, clinically, their locally invasive behavior . . . [Full Text of this Article]

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Arch Otolaryngol Head Neck Surg. 2004;130(8):997.
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