Comments:
Anaplastic large cell lymphoma (Ki-1 Lymphoma) is a T-cell neoplasm that may occur in an aggressive systemic form or an indolent primary cutaenous form. The tumor is composed of highly atypical pleomorphic cells scattered in a polymorphic background of neutrophils, lymphocytes, and histiocytes. Tumor cells often have multiple and horse-shoe shaped nuclei with prominent nucleoli.
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