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  Vol. 129 No. 8, August 2003 TABLE OF CONTENTS
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  Clinical Problem Solving: Pathology
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Pathology Quiz Case—Diagnosis

Arch Otolaryngol Head Neck Surg. 2003;129:898.

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

Diagnosis: Inferior alveolar nerve schwannoma

Schwannomas are slow-growing benign tumors of the peripheral nervous system that originate from Schwann cells in the peripheral nerve sheath.1 They were first described by Verocay.2 Stout3 suggested that these tumors originated from Schwann cells in the peripheral nerve sheath and called them neurilemomas.

Schwannomas tend to appear in the second or third decade of life, but they can also appear at more advanced ages. Although some authors have a noted a female predilection, most have found that men and women are equally effected.1, 4 Schwannomas of the head and neck represent 25% to 45% of all schwannomas.5 They have been reported to involve cranial nerves V, VII, VIII, IX, XI, and XII. Oral schwannomas represent 35% of the cases.6 Malignant transformation, which occurs in neurofibromas, is rare in schwannomas.

Schwannomas can be divided into 2 distinct types: soft tissue schwannomas, which are the most common type, and intraosseous schwannomas, . . . [Full Text of this Article]



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RELATED ARTICLE

Pathology Quiz Case
Yael Oestreicher-Kedem, Ilana Kaplan, and Shlomo Calderon
Arch Otolaryngol Head Neck Surg. 2003;129(8):897.
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