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Resection of a desmoid-type fibromatosis with a CTNNB1 p.S45P mutation using a cervico-thoracic approach: A case report and literature review.
Metadata
Journalauris nasus larynx1.436Date
2020 Jun 03
4 months ago
Type
Journal Article
Volume
2020-Jun-03 / :
Author
Sato R 1, Bandoh N 2, Goto T 3, Uemura A 3, Inoue N 4, Otomo Y 4, Nakano H 5, Yamaguchi T 5, Kato Y 5, Nishihara H 6, Takei H 7, Harabuchi Y 8
Affiliation
  • 2. Department of Otolaryngology-Head and Neck Surgery, Hokuto Hospital, Inadacho Kisen 7-5, Obihiro 080-0833, Japan. Electronic address: [email protected]
  • 3. Department of Otolaryngology-Head and Neck Surgery, Hokuto Hospital, Inadacho Kisen 7-5, Obihiro 080-0833, Japan.
  • 4. Department of Cardiovascular Surgery, Hokuto Hospital, Inadacho Kisen 7-5, Obihiro 080-0833, Japan.
  • 5. Department of Pathology, Hokuto Hospital, Inadacho Kisen 7-5, Obihiro 080-0833, Japan.
  • 6. Keio Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo 160-8582, Japan.
  • 7. Department of Surgical Pathology, Asahikawa Medical University Hospital, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan.
  • 8. Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan.
Doi
PMIDMESH
Abstract
Desmoid-type fibromatosis (DF) is a rare, locally infiltrative, and fibroblastic proliferative disease. DF usually arises from abdominal fascial tissue, but in rare cases, it can occur in extra-abdominal areas. A 73-year-old Japanese male complained of a painless, left anterior neck mass of 3-month duration. Computed tomography revealed the mass measured 9 × 7 × 6 cm and extended to the anterior mediastinum, with invasion of the left clavicle. En bloc resection of the tumor with the left sternoclavicular joint and the medial portion of the left clavicle was performed by cervico-thoracic approach with L-shaped partial sternotomy. Histopathologic examination showed fascicular growth of spindle-shaped cells separated by abundant collagen. Immunohistologic examination revealed nuclear staining of β-catenin and cytoplasmic staining of vimentin. Genetic analysis of 160 cancer-related genes by next-generation sequencing (NGS) demonstrated only a missense mutation in the CTNNB1 gene (c.133T>C, p.S45P). DF extending from the neck to the anterior mediastinum is rare. We report the complete resection of a large-sized DF with the clavicular invasion. A low-frequency CTNNB1 mutation of DF was identified. Genetic analysis with NGS was beneficial for the diagnosis.
Keywords: CTNNB1 Cervico-thoracic approach Clavicle Desmoid-type fibromatosis L-shaped partial sternotomy Next-generation sequencing
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Auris Nasus Larynxauris nasus larynx
Metadata
LocationNetherlands
FromELSEVIER SCI LTD

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