Richter Syndrome Presenting With Colon Localization

Mariadea Lavalle, Laura Maria Minordi, Stefan Hohaus, Riccardo Manfredi, Vittoria Rufini

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review


A 75-year-old man, who had been diagnosed with small lymphocytic lymphoma with cervical localization, underwent 18F-FDG PET/CT with iodinated contrast medium due to the appearance of cervical swelling suspected of illness relapse. PET/CT revealed intense 18F-FDG uptake in multiple cervical and subdiaphragmatic lymph nodes and in the left parotid. Moreover, diffuse uptake and wall thickening of the colon were evident; endoscopy with biopsy revealed a diffuse large B-cell lymphoma. Transformation into a more aggressive lymphoma occurs in 2% to 8% of small lymphocytic lymphoma, the so-called Richter syndrome. Extranodal localization in the sigmoid colon is an extremely rare site for transformed lymphoma.
Lingua originaleEnglish
pagine (da-a)e87-e89
Numero di pagine3
RivistaClinical Nuclear Medicine
Stato di pubblicazionePubblicato - 2019


  • 18F-FDG PET/CT
  • Richter syndrome
  • gastrointestinal lymphoma
  • non-Hodgkin lymphoma


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