Intratumor Abscess in a Posttraumatic Hepatic Inflammatory Pseudotumor Spreading Out of the Liver

Manabu Hayashi; Masashi Fujita; Kazumichi Abe; Atsushi Takahashi; Makoto Muto; Teruhide Ishigame; Ryo Okada; Shigeru Marubashi; Hiromasa Ohira

doi:10.2169/internalmedicine.5166-20

CASE REPORTS

Intratumor Abscess in a Posttraumatic Hepatic Inflammatory Pseudotumor Spreading Out of the Liver

Manabu Hayashi, Masashi Fujita, Kazumichi Abe, Atsushi Takahashi, Makoto Muto, Teruhide Ishigame, Ryo Okada, Shigeru Marubashi, Hiromasa Ohira

Author information

Manabu Hayashi
Department of Gastroenterology, Fukushima Medical University School of Medicine, Japan
Masashi Fujita
Department of Gastroenterology, Fukushima Medical University School of Medicine, Japan
Kazumichi Abe
Department of Gastroenterology, Fukushima Medical University School of Medicine, Japan
Atsushi Takahashi
Department of Gastroenterology, Fukushima Medical University School of Medicine, Japan
Makoto Muto
Department of Hepato-Biliary-Pancreatic and Transplant Surgery, Fukushima Medical University, Japan
Teruhide Ishigame
Department of Hepato-Biliary-Pancreatic and Transplant Surgery, Fukushima Medical University, Japan
Ryo Okada
Department of Hepato-Biliary-Pancreatic and Transplant Surgery, Fukushima Medical University, Japan
Shigeru Marubashi
Department of Hepato-Biliary-Pancreatic and Transplant Surgery, Fukushima Medical University, Japan
Hiromasa Ohira
Department of Gastroenterology, Fukushima Medical University School of Medicine, Japan

Keywords: inflammatory pseudotumor, abscess, trauma, liver

JOURNAL OPEN ACCESS

2021 Volume 60 Issue 2 Pages 235-240

DOI https://doi.org/10.2169/internalmedicine.5166-20

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Abstract

A 45-year-old woman with abdominal pain after minor trauma was referred to our hospital. Computed tomography (CT) showed a hypovascular tumor in the left liver lobe. A tumor biopsy revealed granuloma, although no findings indicated malignancy or infection. A follow-up imaging study showed spread of the hepatic tumor. Her abdominal pain worsened after a second minor trauma. CT revealed an intratumor abscess, and pus overflowed from the patient's umbilicus. The abscess was improved by antibiotics and drainage therapy. In this case, unusual imaging findings and an atypical disease course of a hepatic inflammatory pseudotumor were observed.

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