Hidden giant - atypical pediatric anterior mediastinal teratoma: A case report

Figure 1 Contrasted chest computed tomography. A: Axial section; B: Coronal section. Revealed a giant anterior mediastinal mass.

Figure 2 Intraoperative photograph showing encapsulated removed mass with gross cystic and solid tumor components.

Figure 3 Macroscopic pathological findings. Cystic zones contain sebaceous material, hair, adipose tissue, and bone.

Figure 4 Pathological findings. A: Squamous and respiratory epithelium, containing mucinous and laminar keratin; B: Cystic cavities on both sides of the image, with squamous lining and keratin on the left side and respiratory-type lining on the right side; C: Fibroadipose stroma with hyaline cartilage nodules.

Figure 5 Chest X-ray. A: Chest X-ray at day 1; B: Chest X-ray at 24 hours of follow-up after the surgery.