Gut Liver.  2010 Jun;4(2):245-249.

A Case of Embryonal Sarcoma of the Liver Mimicking a Hydatid Cyst in an Adult

Affiliations
  • 1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea. dyk1025@yuhs.ac
  • 2Liver Cancer Special Clinic, Yonsei University College of Medicine, Seoul, Korea.
  • 3Department of Surgery, Yonsei University College of Medicine, Seoul, Korea.
  • 4Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.

Abstract

An undifferentiated (embryonal) liver sarcoma (ULS) originates from a primitive mesenchymal cell, with a predilection for childhood and very rare occurrence in adults. We report a case of a ULS that was incidentally found in a 53-year-old female. Our case was initially interpreted as a large hydatid cyst, which was later suspected to be a neoplastic lesion because its size was increasing and a solid portion was newly detected after shrinkage of the cyst following drainage. The patient underwent successful right hepatic lobectomy with complete resection, and is currently disease-free without adjuvant therapy. Although it is difficult to diagnose a hepatic cyst as a ULS due to its rare occurrence in adulthood and lack of specific findings, its possibility should be considered, especially when its size is increasing, because early diagnosis and curative resection are necessary for a favorable outcome.

Keyword

Embryonal sarcoma; Undifferentiated sarcoma; Liver cyst; Hydatid cyst; Adult

MeSH Terms

Adult
Drainage
Early Diagnosis
Echinococcosis
Female
Humans
Liver
Middle Aged
Sarcoma
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