Aberrant TTF-1 Expression in Peripheral T-Cell Lymphomas: A Diagnostic Pitfall.
Sheng-Tsung ChangShang-Wen ChenBo-Jung ChenShien-Tung PanKennosuke KarubeShih-Sung ChuangPublished in: International journal of surgical pathology (2020)
Although TTF-1 is a relatively specific marker for thyroid and lung cancers, it might be expressed in some lymphomas, particularly PTCL when using clone SPT24. Pathologist should be aware of this possible diagnostic pitfall when using TTF-1 in investigating tumors of unknown origin.