Desmoid-type fibromatosis mimicking cystic retroperitoneal mass: Case report and literature review

Kyu Chong Lee, Jongmee Lee, Baek-Hui Kim, Kyeong Ah Kim, Cheol Min Park

Research output: Contribution to journalArticle

Abstract

Background: Retroperitoneal desmoid-type fibromatosis (DF) is an uncommon mesenchymal neoplasm presenting as a firm mass with locally aggressive features. It usually manifests as a well-circumscribed or ill-defined, solid mass on cross-sectional imaging. Cystic changes of DF have been described in the literature in association with prolonged medical treatment or abscess formation. However, spontaneous cystic change israrely reported. Case presentation: Here we report the case of a 46-year-old patient with a DF mimicked a large cystic tumor in the retroperitoneum. Ultrasonography and computed tomography were performed in order to search for localizations and characteristics of the cystic tumor. Radiological findings showed an oval cystic mass with a relatively thick wall, measuring 18.3×12.3×21.5cm in the left upper abdomen. Laparoscopic spleen-preserving distal pancreatectomy was performed and histopathological examination by immunohistochemical study enabled us to diagnose a DF invading the pancreatic parenchyma. The patient remained asymptomatic during an 8-month follow up period. Conclusions: We report an extremely rare case of retroperitoneal DF with spontaneous cystic change. DF can manifest as a mainly cystic mass with a thick wall, as in our case, which makes the correct diagnosis difficult. DF should be included in the preoperative differential diagnosis of a cystic retroperitoneal mass, regardless of its rarity.

Original languageEnglish
Article number29
JournalBMC Medical Imaging
Volume18
Issue number1
DOIs
Publication statusPublished - 2018 Sep 17

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Aggressive Fibromatosis
Fibroma
Neoplasms
Pancreatectomy
Abdomen
Abscess
Ultrasonography
Differential Diagnosis
Spleen
Tomography

Keywords

  • Computed tomography
  • Desmoid tumor
  • Desmoid-type fibromatosis
  • Retroperitoneum
  • Ultrasonography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Desmoid-type fibromatosis mimicking cystic retroperitoneal mass : Case report and literature review. / Lee, Kyu Chong; Lee, Jongmee; Kim, Baek-Hui; Kim, Kyeong Ah; Park, Cheol Min.

In: BMC Medical Imaging, Vol. 18, No. 1, 29, 17.09.2018.

Research output: Contribution to journalArticle

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