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Chest Wall and Abdominal Wall Desmoid Fibromatosis

Imaging findings

CT scans of the chest and abdomen show multiple desmoid tumors, including a large, slow-growing soft-tissue mass in the right lower chest wall, and smaller, similar soft-tissue masses within the anterior abdominal wall and inguinal regions. The abdominal wall lesions show no recurrence after surgical resection.

Key takeaways

Desmoid fibromatosis (desmoid tumor) is a locally aggressive, non-metastasizing fibroblastic tumor that can arise in the deep soft tissues of the limbs, trunk, or abdomen. Multiple desmoid tumors can occur, particularly in association with familial adenomatous polyposis (Gardner's syndrome). They have a high propensity for local recurrence, requiring a multidisciplinary approach.

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