eISSN: 1897-4309
ISSN: 1428-2526
Contemporary Oncology/Współczesna Onkologia
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SCImago Journal & Country Rank
4/2022
vol. 26
 
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abstract:
Case report

Liver metastasis or a pseudocyst? A rare presentation of leiomyosarcoma’s metastasis in the liver

Adrian Bednarek
1
,
Julia Sołek
2
,
Konrad Szymczyk
3
,
Mikołaj Gwardys
4
,
Agnieszka Wierzchniewska-Ławska
2
,
Dorota Jesionek-Kupnicka
2
,
Marcin Braun
2
,
Hanna M. Romańska
2

  1. First Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
  2. Department of Pathology, Chair of Oncology, Medical University of Lodz, Lodz, Poland
  3. Department of Radiology, Barlicki University Hospital, Medical University of Lodz, Lodz, Poland
  4. Department of Paediatrics and Immunology with Nephrology Unit, Polish Mother’s Memorial Hospital Research Institute, Lodz, Poland
Contemp Oncol (Pozn) 2022; 26 (4): 306–309
Online publish date: 2023/01/30
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Gastrointestinal neoplasms most commonly metastasize to the liver, where they are typically found as solid and hypervascular lesions. Here, we describe a case of a 44-year-old man with a leiomyosarcoma of the rectum, who at the time of diagnosis presented with a small (5 mm in diameter) cyst-like lesion in the liver. Positron emission tomography demonstrated no increased metabolism in the area of the cyst, suggesting a benign character of the lesion. However, after 3 years, CT scans revealed enlargement of the cyst, and local surgical excision was performed. The results of histopathological examination of the resected material were consistent with metastatic leiomyosarcoma. Subsequently, the patient developed lung metastases and died within 2 years. Our case describes a very rare presentation of leiomyosarcoma’s metastasis that led to an ill-fated misdiagnosis and dismal disease outcome.
keywords:

positron emission tomography, computed tomography, rectum, pseudocyst, false negative

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