Refractory Peripheral T-Cell Lymphoma, Not Otherwise Specified with Cytotoxic Phenotype

**Semantic type:** Neoplastic Process

**Definition:** A peripheral T-cell lymphoma, not otherwise specified with cytotoxic phenotype that is resistant to treatment.

**Synonyms:** - Refractory PTCL with Cytotoxic Phenotype - Refractory PTCL, NOS with Cytotoxic Phenotype - Refractory Peripheral T-Cell Lymphoma with Cytotoxic Phenotype - Refractory Peripheral T-Cell Lymphoma, NOS with Cytotoxic Phenotype