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Blastic plasmacytoid dendritic cell neoplasm is an aggressive malignancy with features of cutaneous lymphoma (e.g. malignant plasmacytoid dendritic cell infiltrations into the skin to form single or multiple lesions) and/or leukemia (i.e. malignant plasmacytoid dendritic cells in blood and bone marrow). [2]
Leukemia cutis is the infiltration of neoplastic leukocytes or their precursors into the skin resulting in clinically identifiable cutaneous lesions. [1] This condition may be contrasted with leukemids , which are skin lesions that occur with leukemia, but which are not related to leukemic cell infiltration.
Subleukemic leukemia, also known as leukemia subleukemic and aleukemic leukemia cutis, is a rare, cancerous blood disease characterized by the presence of abnormal or atypical white blood cells in the peripheral blood while the total white blood cell count is within the normal range. It can also be characterized by leukemic cells in the skin ...
B-cell prolymphocytic leukemia, referred to as B-PLL, is a rare blood cancer. It is a more aggressive, but still treatable, form of leukemia . Specifically, B-PLL is a prolymphocytic leukemia (PLL) that affects prolymphocytes – immature forms of B-lymphocytes and T-lymphocytes – in the peripheral blood, bone marrow, and spleen.
The skin can be involved in the form of leukemia cutis; Sweet's syndrome; or non-specific findings: flat lesions , raised lesion papules, pyoderma gangrenosum and vasculitis. [ 8 ] Some people with AML may experience swelling of the gums because of infiltration of leukemic cells into the gum tissue. [ 7 ]
Biphenotypic acute leukaemia (BAL) is an uncommon type of leukemia which arises in multipotent progenitor cells which have the ability to differentiate into both myeloid and lymphoid lineages. [1] [2] [3] It is a subtype of "leukemia of ambiguous lineage". [4] The direct reasons leading to BAL are still not clear.
Leukemids, also known as nonspecific cutaneous conditions associated with leukemia, are nonspecific skin lesions that occur with leukemia which are not related to leukemic cell infiltration. [ 1 ] : 745 [ 2 ] This condition may be contrasted with leukemia cutis , which is the infiltration of neoplastic leukocytes or their precursors into the ...
Acute erythroid leukemia is rare, accounting for only 3–5% of all acute myeloid leukemia cases. [2] One study estimated an occurrence rate of 0.077 cases per 100,000 people each year. [ 12 ] 64–70% of people with this condition are male, and most are elderly, with a median age of 65.