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KMID : 1141120200060020093
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The Nerve
2020 Volume.6 No. 2 p.93 ~ p.95
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Schwannoma in the Dorsal Paraspinal Muscle: A Case Report
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Kim Yong-Guk
Kim Tae-Wan
Kim Min-A
Park Kwan-Ho
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Abstract
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A schwannoma is a tumor arising from Schwann cells of the nerve sheath, and the majority of schwannomas are slow-growing. An intramuscular schwannoma is extremely rare and a preoperative diagnosis is very difficult to obtain due to their low incidences and ambiguous clinical signs and symptoms. A 79-year-old man presented with a slow-growing mass with tenderness on the right side of his back. A magnetic resonance imaging (MRI) scan revealed a well-demarcated oval-shaped mass lesion in the right multifidus muscle at the L5 level measuring 2.0×2.0×3.5 cm. Complete surgical excision of the lesion was performed. When a patient has a palpable, intramuscular back mass, an MRI should be performed to assist in obtaining a diagnosis. Although rare, schwannoma should be considered in the differential diagnosis of well-defined, oval-shaped soft tissue masses arising within the paraspinal muscles.
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KEYWORD
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Magnetic resonance imaging, Neurilemmoma, Paraspinal muscles
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