Journal List > Arch Hand Microsurg > v.22(4) > 1106609

Ahn, Choi, and Lee: Metachronous Sarcoma: A Case of Pleomorphic Leiomyosarcoma in a Patient with a History of Fibrosarcoma

초록

Metachronous cancers were defined as those that were detected after an interval of more than 6 months. The instance of two histologically distinct sarcomas in one patient is very unusual. A 42-year-old woman presented for evaluation of a painless mass in her right axilla area. She gave a history of operation 8 years ago for treating a fibrosarcoma on her right upper arm at local clinic. Eight years ago, the lesion was widely excised. Magnetic resonance imaging revealed a new generated tumor at her right axilla. After a wide surgical resection, we performed anterolateral thigh free flap for cover the defect. Second neoplasm is leiomyosarcoma. These two neoplasms are 2 histologically distinct tumors. There is no report of a case of metachronous soft tissue sarcoma both pleomorphic leiomyosarcoma and fibrosarcoma in upper extremity within one person. We emphasize the importance of considering the possibility of metachronous sarcoma.

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Fig.1.
Microscopic examinations of the fibrosarcoma. The mass is composed of short spindle cell fascicles arranged haphazardly with some eosinophilic collagen fiber (H&E, ×200).
ahm-22-299f1.tif
Fig.2.
A magnetic resonance imaging revealed a new generated tumor at her right axilla.
ahm-22-299f2.tif
Fig.3.
Gross examination of the pleomorphic leiomyosarcoma. The mass is a well-demarcated nodular, and located between subcutaneous fat tissue and skeletal muscular tissue. The cut surface reveals homogeneous grey whitish solid nature.
ahm-22-299f3.tif
Fig.4.
Microscopic examinations of the pleomorphic leiomyosarcoma. The mass is composed of marked pleomorphic short spindle cells arranged haphazardly (H&E, ×400).
ahm-22-299f4.tif
Fig.5.
Excision site with free flap coverage was healed well and there was only little scar. There was no evidence of re-currence and metastasis.
ahm-22-299f5.tif
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