A Rare Tumor with a Very Rare Initial Presentation: Thymic Carcinoma as Bone Marrow Metastasis

Figure 1

(a) Bone marrow biopsy (H&E ×4). (b) Cords and sheets of malignant tumor cells with surrounding desmoplastic reaction (H&E ×100). (c) Tumor cells intermingled with normal haematopoietic cells of the bone marrow (H&E ×200). (d) Poorly differentiated tumor cells (H&E ×400).