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1.

B-Cell Leukemia

A malignant disease of the B-LYMPHOCYTES in the bone marrow and/or blood. [from MeSH]

MedGen UID:
412152
Concept ID:
C2004493
Neoplastic Process
2.

Clonal Evolution

The process by which a normal cell accumulates genetic changes that allow it to become a tumor-causing cell and furthers its development to more malignant states. [from NCI]

MedGen UID:
273181
Concept ID:
C1516669
Neoplastic Process
3.

Leukemia

A cancer of the blood and bone marrow characterized by an abnormal proliferation of leukocytes. [from HPO]

MedGen UID:
9725
Concept ID:
C0023418
Neoplastic Process
4.

Acute lymphoblastic leukemia

A form of acute leukemia characterized by excess lympoblasts. [from HPO]

MedGen UID:
505958
Concept ID:
CN005851
Finding
5.

Acute lymphoid leukemia

Acute lymphoblastic leukemia (ALL), also known as acute lymphocytic leukemia, is a subtype of acute leukemia, a cancer of the white blood cells. Somatically acquired mutations in several genes have been identified in ALL lymphoblasts, cells in the early stages of differentiation. Germline variation in certain genes may also predispose to susceptibility to ALL (Trevino et al., 2009). Genetic Heterogeneity of Acute Lymphoblastic Leukemia A susceptibility locus for acute lymphoblastic leukemia (ALL1) has been mapped to chromosome 10q21. See also ALL2 (613067), which has been mapped to chromosome 7p12.2; and ALL3 (615545), which is caused by mutation in the PAX5 gene (167414) on chromosome 9p. [from GTR]

MedGen UID:
7317
Concept ID:
C0023449
Neoplastic Process
6.

Frequency

MedGen UID:
91210
Concept ID:
C0376249
Temporal Concept
7.

Lymphoid leukemia

A malignant lymphocytic neoplasm of B-cell or T-cell lineage involving primarily the bone marrow and the peripheral blood. This category includes precursor or acute lymphoblastic leukemias and chronic leukemias. [from NCI]

MedGen UID:
9728
Concept ID:
C0023448
Neoplastic Process
8.

Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive

An advanced phase of chronic myelogenous leukemia. It is characterized by: 1. the presence of blasts in the peripheral blood or bone marrow that are at least 20% of the peripheral blood white cells or of the nucleated cells in the bone marrow respectively, or 2. an extramedullary proliferation of blasts, and/or 3. when there are large aggregates and clusters of blasts in the bone marrow biopsy specimen (adapted from WHO, 2001). [from NCI]

MedGen UID:
2281
Concept ID:
C0005699
Neoplastic Process
9.

Frequency

MedGen UID:
1381421
Concept ID:
C4321352
Intellectual Product
10.

Instability

MedGen UID:
731956
Concept ID:
C1444783
Finding
11.

Prolonged

MedGen UID:
615082
Concept ID:
C0439590
Temporal Concept
12.

Crisis

MedGen UID:
533658
Concept ID:
C0231224
Finding
13.

Chronic myelogenous leukemia

A myeloproliferative disorder characterized by increased proliferation of the granulocytic cell line without the loss of their capacity to differentiate. [from HPO]

MedGen UID:
505815
Concept ID:
CN004875
Finding
14.

B Acute Lymphoblastic Leukemia

The most frequent type of acute lymphoblastic leukemia. Approximately 75% of cases occur in children under six years of age. This is a good prognosis leukemia. In the pediatric age group the complete remission rate is approximately 95% and the disease free survival rate is 70%. Approximately 80% of children appear to be cured. In the adult age group the complete remission rate is 60-85%. (WHO, 2001) [from NCI]

MedGen UID:
226949
Concept ID:
C1292769
Neoplastic Process
15.

Chronic

Slow, creeping onset, slow progress and long continuance of disease manifestations. [from HPO]

MedGen UID:
104657
Concept ID:
C0205191
Temporal Concept
16.

Acute

Sudden appearance of disease manifestations over a short period of time. [from HPO]

MedGen UID:
61381
Concept ID:
C0205178
Temporal Concept
17.

Negative

An absence finding of the specified component / analyte, organism or clinical sign based on the established threshold of the performed test or procedure. [Note: Negative does not necessarily imply the complete absence of the specified item.].  [from HL7]

MedGen UID:
61377
Concept ID:
C0205160
Finding
18.

Central

Applies to an abnormality that is located close to the median plane or midline of the body or of the referenced structure. [from HPO]

MedGen UID:
59958
Concept ID:
C0205099
Spatial Concept
19.

Pre-B Acute Lymphoblastic Leukemia

An acute lymphoblastic leukemia that originates from pre-B lymphocytes. The pre-B lymphoblasts contain cytoplasmic immunoglobulin. [from NCI]

MedGen UID:
44126
Concept ID:
C0023485
Neoplastic Process
20.

Chronic lymphocytic leukemia

Chronic lymphocytic leukemia (CLL) is a common neoplasia of B lymphocytes in which these cells progressively accumulate in the bone marrow, blood, and lymphoid tissues. The clinical evolution of the disorder is heterogeneous, with some patients having indolent disease and others having aggressive disease and short survival (summary by Quesada et al., 2012). Genetic Heterogeneity of Susceptibility to Chronic Lymphocytic Leukemia Susceptibility loci have been mapped to chromosomes 11p11 (CLLS1; 609630) and 13q14 (CLLS2; 109543) by genomewide linkage analysis and translocation studies, respectively. Susceptibility mapping to chromosome 9q34 (CLLS3; 612557) is associated with downregulation of the DAPK1 gene (600831). Genomewide association studies have identified susceptibility loci on chromosomes 6p25.3 (CLLS4; 612558) and 11q24.1 (CLLS5; 612559). [from GTR]

MedGen UID:
44120
Concept ID:
C0023434
Neoplastic Process
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