American journal of clinical pathology · 2015
Acute Myeloid Leukemia and Other Types of Disease Progression in Myeloproliferative Neoplasms.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Czader Magdalena, Orazi Attilio
Аннотация
OBJECTIVES: This session of the Society for Hematopathology/European Association for Haematopathology workshop focused on disease progression in myeloproliferative neoplasms (MPNs).
METHODS: The session included typical and unusual presentations of chronic myelogenous leukemia (CML), BCR-ABL1 positive; Philadelphia chromosome-negative (Ph-neg) MPNs; and mastocytosis.
RESULTS: Cases of CML illustrated various manifestations of progression, with emphasis on criteria defining stages of the disease. Issues were discussed related to the patterns of recurrence in patients receiving tyrosine kinase inhibitor therapy, including leukemic transformation occurring in a Ph-neg clone. Ph-neg MPN cases highlighted diagnostic approaches used to establish accelerated and blast phases, including cases with significant myelofibrosis and when an adequate bone marrow aspirate smear is not available. The session also included rare cases of aggressive mastocytosis.
CONCLUSIONS: There was agreement that a definitive diagnosis can be challenging in the absence of documented review of prior diagnostic material and clinical history.
METHODS: The session included typical and unusual presentations of chronic myelogenous leukemia (CML), BCR-ABL1 positive; Philadelphia chromosome-negative (Ph-neg) MPNs; and mastocytosis.
RESULTS: Cases of CML illustrated various manifestations of progression, with emphasis on criteria defining stages of the disease. Issues were discussed related to the patterns of recurrence in patients receiving tyrosine kinase inhibitor therapy, including leukemic transformation occurring in a Ph-neg clone. Ph-neg MPN cases highlighted diagnostic approaches used to establish accelerated and blast phases, including cases with significant myelofibrosis and when an adequate bone marrow aspirate smear is not available. The session also included rare cases of aggressive mastocytosis.
CONCLUSIONS: There was agreement that a definitive diagnosis can be challenging in the absence of documented review of prior diagnostic material and clinical history.