Excision surgery was performed and the histopathology showed a cutaneous fibrous mass with sparse cellularity, nuclear atypia but without mitotic figures.

• 经手术切除后，在病理组织检验下可见到一纤维肿瘤，其中散在著为数不多的细胞；这些细胞具有非典型细胞核，但无细胞分裂现象。