Reactive Follicular Hyperplasia or Persistent Follicular Lymphoma Involving Breast Tisssue?

Lessons From the Friday Unknowns

The patient has history of rheumatic arthritis, hypothyroidism and follicular lymphoma of chest wall status post 4 cycles of Rituxan. Recent breast MRI showed a 0.8 cm enhancing mass.

Histologic sections show multiple fragments of breast tissue with follicular hyperplasia and fibrocytic changes.

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Siba El Hussein, MD

Siba El Hussein, MD

Hematopathology | Cytopathology | Molecular pathology | Digital pathology | Data science | Machine learning