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Calcifying fibrous pseudotumor causing thoracic outlet syndrome
Soon-Ho Chon1, Chul Burm Lee, Young-Ha Oh
1Department of Thoracic and Cardiovascular Surgery, Hanyang University Guri Hospital, Kyonggi Do, Kyomun Dong 249-1, Guri 471-701, South Korea.
Summary
Calcifying fibrous pseudotumor (CFP) is a rare benign mass. This case highlights an extremely rare CFP location in the thoracic outlet causing arm numbness, emphasizing its clinical significance.
Area of Science:
- Pathology
- Orthopedic Surgery
- Radiology
Background:
- Calcifying fibrous pseudotumor (CFP) is an uncommon benign soft tissue neoplasm.
- CFP typically presents in superficial soft tissues, with intra-abdominal and intrathoracic locations being less frequent.
- Thoracic outlet involvement by CFP is exceptionally rare in medical literature.
Observation:
- A 34-year-old female presented with right upper extremity numbness.
- Imaging revealed a mass lesion in the thoracic outlet region.
- Surgical excision confirmed the diagnosis of calcifying fibrous pseudotumor.
Findings:
- The resected lesion was histopathologically confirmed as calcifying fibrous pseudotumor.
- The tumor's location within the thoracic outlet was highly unusual.
- The patient's neurological symptoms resolved post-operatively.
Implications:
- This case expands the known anatomical distribution of calcifying fibrous pseudotumor.
- Thoracic outlet syndrome should be considered in the differential diagnosis of upper extremity numbness with a mass.
- Further research into the etiology and behavior of rare CFP presentations is warranted.