Premium
Lymphoblastic Transformation of Ph 1 ‐Positive Chronic Myeloid Leukaemia: Therapeutic Implications and Relevance to Haemopoietic Stem Cell Theory
Author(s) -
Woodruff R.,
Roberts Marion
Publication year - 1978
Publication title -
australian and new zealand journal of medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.596
H-Index - 70
eISSN - 1445-5994
pISSN - 0004-8291
DOI - 10.1111/j.1445-5994.1978.tb04921.x
Subject(s) - medicine , precursor cell , blast crisis , vincristine , prednisolone , immunology , myeloid , stem cell , oncology , chronic myeloid leukaemia , cancer research , chemotherapy , cell , cyclophosphamide , biology , genetics
Summary: A proportion of patients with blast crisis of CML have blast cells identical to those found in common non‐T, non‐B ALL, and whilst this disease is often referred to as lymphoid blast crisis (LBC), evidence is presented that it may in fact arise from a pre‐lymphoid, pre‐myeloid (pluripotential) stem cell. Recently developed membrane and enzyme markers (anti‐ALL antiserum, TdT assay) have provided convenient diagnostic tests for the detection of LBC. The clinical and haemato/ogical features of LBC are reviewed: patients with LBC show a higher response rate to therapy with vincristine and prednisolone, and their survival may be significantly prolonged. The frequent occurrence of meningeal leukaemia suggests the need for prophylactic CNS therapy in LBC patients achieving remission.