구강내 협점막에 발생한 세포성 점액종: 증례보고

서지정보

ㆍ발행기관 : 대한구강악안면병리학회 ㆍ수록지정보 : 대한구강악안면병리학회지 / 47권 / 4호
ㆍ저자명 : 황정혜, 최병준, 오주영, 이현우, 구혜진, 정준호

목차

Ⅰ. INTRODUCTION
Ⅱ. CASE REPORT
Clinical examinations
Radiological examinations
Treatment
Histopathological and immunohistochemicalfindings
Ⅲ. DISCUSSION
Ⅳ. CONCLUSION

영어 초록

Cellular myxoma is an uncommon type of myxoid benign tumor, predominantly occurring in adult female patients aged >40 years. This report aims to document a case of cellular myxoma that occurred in the buccal mucosa. Compared to intramuscular myxomas, cellular myxoma demonstrates hypercellularity and vascularity. Its manifestation in the soft tissue of the head and neck area is exceptionally rare. Generally, cellular myxoma manifests as a firm and immovable mass covered with normal oral mucosa, with no associated clinical symptoms. Homogenous low signal intensity on T1-weighted scans and high-signal intensity on T2-weighted magnetic resonance scans reveal cellular myxoma, as most lesions show well-defined margins and heterogeneous contrast enhancement. The significant histologic features include a focal or diffuse increase in cellularity with fibroblast-like cells and vascularity with an abundant collagenous matrix. Our presented case reflects these facts examinations, based on which a final diagnosis of cellular myxoma was made. Immunohistochemistry revealed locally and diffusely positive SMA and CD34. The clinical tendency of cellular myxoma with hypercellularity may affect the production of myxoid and collagenous substrates, and if complete resection is not performed, the possibility of local recurrence in the primarily affected region remains. Hence, complete surgical excision was performed under general anesthesia, and follow-up until a year after treatment revealed no observed recurrence. To achieve precise diagnosis and complete treatment without local recurrence, several diagnostic examinations should be considered.

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