Relapsed refractory nodal peripheral T-cell lymphoma with follicular helper T-cell phenotype was initially resistant to pralatrexate and confirmed to be unresponsive to subsequent forodesine, but responded to re-instituted pralatrexate

复发难治性淋巴结周围T细胞淋巴瘤伴滤泡辅助性T细胞表型，最初对普拉曲沙耐药，并证实对后续的福罗地辛治疗无反应，但对重新使用的普拉曲沙治疗有反应。