Desmoid-type fibromatosis arising in a bifid rib chest wall

Shohei Mori, Yuki Noda, Daiki Kato, Shinichi Hirooka, Takashi Ohtsuka

Research output: Contribution to journalArticlepeer-review


Desmoid-type fibromatosis is a rare soft tissue tumor and the chest wall is one of the common sites of its extra-abdominal occurrence. A bifid rib is one of the congenital rib abnormalities. We report a case of desmoid-type fibromatosis arising in a chest wall’s bifid rib. A 42-year-old female complained of right chest pain without remarkable medical, traumatic, or familial history. Chest-computed tomography revealed a chest wall tumor located adjacent to a bifid costal cartilage of third rib. We performed chest wall resection of second and third ribs. Pathologically, the tumor was diagnosed a desmoid-type fibromatosis of the chest wall. We surmise mechanical stimulation due to the bifid rib may be related to the occurrence of the tumor. In case of desmoid-type fibromatosis without somatic gene mutation, traumatic history, wound, implants, or use of female hormonal agents, we should search also local congenital abnormality.

Original languageEnglish
JournalGeneral Thoracic and Cardiovascular Surgery
Publication statusPublished - 2019 Jan 1


  • Bifid rib
  • Chest wall
  • Desmoid
  • Fibromatosis

ASJC Scopus subject areas

  • Surgery
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine


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