“An Unusual Pattern of Metastasis” Metastatic Malignant Thymoma Presented with Breast Lump: A Case Report and Literature Review

Figure 4

On histology, the lesional tissue is composed of (a) and (b) tumour tissue arranged in anastomosing smooth contoured islands, Hematoxylin & Eosin stain (H&E) ×40. (c) Absence of duct/glandular formation, H&E ×100. (d) Tumour cells have round to oval nuclei, inconspicuous nucleoli, and indistinct cell membrane, H&E ×400.

(a)

(b)

(c)

(d)