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KMID : 0388720150220030114
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Journal of Korean Society of Spine Surgery
2015 Volume.22 No. 3 p.114 ~ p.117
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Nodular Fasciitis as a Pseudosarcomatous Lesion in the Ligamentum Nuchae: A Case Report
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:Kim Seung-Hwan
:Kim Jung-Soo/:Nam Kyung-Han
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Abstract
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Study Design : A case report.
Objectives : Nodular fasciitis is a non-neoplastic soft-tissue lesion located in the deep subcutaneous region; it may be misdiagnosed as a malignant tumor due to its rapid growth and microscopic characteristics. We introduce an unusual case of nodular fasciitis which presented as a posterior neck mass.
Summary of Literature Review : Nodular fasciitis is an unusual benign lesion.Becaue it sometimes shows aggressive microscopic characteristics, (being hypercellular and polymorphic), the condition has the potential to be misdiagnosed as sarcoma.
Materials and Methods : A 20-year-old woman presented with a 1-month history of a progressively enlarging mass on her posterior neck. Computed tomography (CT) scans of the neck showed a markedly enhanced, well-defined, ovoid soft tissue mass at the posterior of the spinous process of C2. The patient underwent marginal excision. There was a 2 cm, well-capsulated, pinkish-gray mass.
Results : She recovered without any complications. Histopathologic examination showed a spindle cell proliferation, increased cellularity, and nuclear atypia with mitosis. The immunohistochemistry stain showed negative findings. The mass was diagnosed as nodular fasciitis.
Conclusions : A diagnosis of nodular fasciitis, not just malignant tumor, should be considered for a rapidly growing posterior neck mass showing aggressive microscopic appearance, Nodular fasciitis is a self-limiting lesion readily treated by marginal excision. However, follow-ups should be increased to watch for recurrence.
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KEYWORD
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Nodular fasciitis, Neck, Tumor
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