Unusual Case of Anaplastic Large Cell Lymphoma Presenting as a Breast Mass in a Patient with no History of Breast Implants

Figure 2

Histologic sections show fragments of soft tissue with extensive infiltration by large, pleomorphic lymphoid cells (a); immunohistochemical studies reveal that neoplastic cells are positive for CD4 (b), CD30 (c), and CD43 (d).

(a)

(b)

(c)

(d)