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Nodular Fasciitis as a Pseudosarcomatous Lesion in the Ligamentum Nuchae - A Case Report -

  • Journal of Korean Society of Spine Surgery
  • Abbr : J Kor Spine Sur
  • 2015, 22(3), pp.114-117
  • Publisher : Korean Society Of Spine Surgery
  • Research Area : Medicine and Pharmacy > Orthopedic Surgery

김승환 1 김정수 1 Kyung Han Nam 1

1인제대학교

Accredited

ABSTRACT

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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