Autoimmune Lymphoproliferative Syndrome: An inherited autoimmune condition characterized by proliferation of lymphocytes and autoimmunity against the body's own blood cells resulting in premature death of certain blood cells.
Positron emission tomography (PET) superimposed over a CT scan from a patient with autoimmune lymphoproliferative syndrome (ALPS). Note the massive cervical adenopathy. PET scans may be used as a screening tool in patients with autoimmune lymphoproliferative syndrome to decrease the number of lymph node biopsies used in screening for malignancy.
Circulating tumor DNA in blood can predict recurrence of the most common type of lymphoma - http://scienceblog.com/77600/circulating-tumor-dna-in-blood-can-predict-recurrence-of-the-most-common-type-of-lymphoma/