PMC9742589_01
Preoperative PET image. Captant area in thoracic wall with SUVmax: 7.8. (A) Axial image. (B) Coronal image. (C) Coronal fusion image.
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F1
Resection surgery happened 4 months after the start of the mass growth (Figure 1).
Intraoperative images. (A) Superficial side from the specimen. (B) Profound margem. (C) Resected area.
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F2
The pectoralis major partially was resected en bloc with the lesion (Figure 2).
Pathological findings of the resected specimen. The tumour cells (fibroblasts and myofibroblasts) lack cytological atypia, form long, "sweeping" fascicles, and show nuclear beta-catenin expression. These findings are consistent with desmoid fibromatosis. (A) Hematoxylin-eosin, 100x. (B) Immunohistochemistry for beta-catenin, 100x.
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F3
The report from the surgical specimen confirmed that the lesion was a DT (Figure 3).