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KMID : 0361620230580050423
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Journal of the Korean Orthopaedic Association
2023 Volume.58 No. 5 p.423 ~ p.427
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Huge Plexiform Schwannoma of the Ulnar Nerve
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Lee Woo-Seung
Kim Young-Bae
Lee Hee-Dong
Yoon Tae-Hyuck
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Abstract
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A plexiform schwannoma is a subtype of schwannoma characterized by a multinodular and plexiform pattern with a superficial occurrence, mainly under the skin or subcutaneous tissue. It is rarely located deep or occurs in the major peripheral nerves. In this case, it is difficult to distinguish a plexiform schwannoma from a malignant peripheral schwannoma, so an excisional biopsy is required. On the other hand, there are no reports on the long-term follow-up of surgical treatment performed on major peripheral nerves. The authors report the confirmation of a plexiform schwannoma on the right ulnar nerve in a 64-year-old male patient by excisional biopsy and long-term observations for seven years.
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KEYWORD
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ulnar nerve, plexiform schwannoma
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