Primary Colonic Epithelioid Angiosarcoma with Hepatic Metastasis: A Case Report

Jiyun Lim, Seong Sook Hong, Jiyoung Hwang, Hyun Joo Kim, So Young Jin

Research output: Contribution to journalArticlepeer-review

Abstract

Colonic angiosarcoma is an extremely rare and aggressive malignant tumor with poor prognosis. We report a case of colonic epithelioid angiosarcoma with colonic obstruction and rapidly progressive hepatic metastasis in a 44-year-old female. Abdominal CT revealed a heterogeneously enhancing irregular mass in the ascending colon, causing proximal bowel distension. The patient underwent surgery, and histopathological examination revealed a poorly differentiated carcinoma. A follow-up liver dynamic MRI after 4 months revealed newly developed diffusely scattered numerous small nodules in both hepatic lobes with peripheral and nodular marked arterial hyperenhancement, raising the suspicion of hepatic angiosarcoma. A pathologic second opinion was obtained, and additional immunohistochemistry revealed colonic epithelioid angiosarcoma. The patient showed progressive hepatic metastasis on follow-up abdominal CT after 6 months and died 8 months after initial diagnosis. We describe an educational case of colonic angiosarcoma, a rare malignant tumor, with rapidly progressive hepatic metastasis that showed radiologic findings suggestive of angiosarcoma and enabled a re-diagnosis for proper treatment and prognosis prediction.

Original languageEnglish
Pages (from-to)432-438
Number of pages7
JournalJournal of the Korean Society of Radiology
Volume83
Issue number2
DOIs
StatePublished - Mar 2022

Bibliographical note

Funding Information:
This research was supported by the Soonchunhyang University Research Fund.

Publisher Copyright:
© 2021 The Korean Society of Radiology.

Keywords

  • Angiosarcoma
  • Colonic Neoplasms
  • Intestinal Obstruction
  • Magnetic Resonance Imaging
  • Multidetector Computed Tomography
  • Neoplasm Metastasis

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