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Christie Asleson
Hematology/Immunology
CLL- Chronic Lymphocytic Leukemia
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• Chronic lymphocytic leukemia (CLL) is cancer of the blood and bone marrow.
• The term "chronic" comes from that it progresses more slowly than other types of leukemia. The term "lymphocytic" comes from the cells affected by the disease
Overview
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• 15,000 ppl each year in the United States
• It is the most common type of leukemia in adults.
• Most of those who get it are older than 55.
• Average age is 72
• More common in men
• In some people can remain slow-growing for years and never need treatment.
Overview
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• Lymphocytes evolve from immature cells called hematopoietic stem cells.
• Healthy lymphocytes evolve through their life cycle eventually die.
• In CLL, changes in the diseased cells prevent them from maturing properly.
• They have a longer life span.
• Over time, accumulate in the bone marrow and in the tissues of the lymphatic system
• Interfering with other immune system functions.
How it develops
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Many people with chronic lymphocytic leukemia have no symptoms. Those who do develop signs and symptoms may experience:
• Enlarged, but painless, lymph nodes
• Fatigue
• Fever
• Nigh sweats t
• Weight loss • Frequent infection Pain in the upper left portion of
the abdomen, which may be caused by an enlarge
spleen n
Symptoms
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• Inherited or genetics, traits and exposure to cancer-causing agents in the environment.
• Relatives such as a parent, child, or sibling, with CLL
• Most cases its associated with specific gene mutation
Risk Factors
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• Many types of tests are performed
• Tests can reveal abnormatlities in cells
• Amount of blood cells
• Changes in bone marrow
• Other factors in deciding the course of treatment
Common Tests Used:
Cytogenetic studies, Immunohisto-chemistry studies,Flow cytometry, and Molecular genetic studies
Diagnosis
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In the Blood Blood Test
• Complete Blood Count
• Low numbers of RBC
• Platelet levels low
• Normal WBC levels diminished
Diagnosis cont.
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Bone Marrow Aspirates & Biopsies
Physical Examination
Doctor will check:
• Lymph Nodes
• Spleen
• Liver
First sign can be enlarged spleen or liver
• Bone Marrow biopsies- remove small peice of bone and marrow for examination
• Aspirate- Withdraw Small sample of liquid bone marrow
Diagnosis cont.
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• Classify or stage each patients CLL according to how far the disease has progressed
• Rai System
• Stage 0
• Stage I
• Stage II
• Stage III
• Stage IV
Classification
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• No treatment yet that is considered a cure
• They are designed to slow progression of disease
• CLL develops very slowly
Treatment
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Radiation Therapy
• Used in rare cases
• Uses high-energy rays
• Destroys cancer cells
• Controls enlarged lymph nodes or spleen
Treatment Cont.
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Stem Cell Transplant
• For some patients
• Obtain stem cells by filtering from blood stream
• Then treated with high-dose of chemo.
• Doctors then transplant harvest stem cells
Treatment Cont.
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On going Care:
People with CLL are likely to see their physician often to monitor the disease and to determine if it is progressing.
These check-ups may include a physical exam, blood tests, bone marrow aspirates, biopsies, and radiographic studies.
Treatment Cont.
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• Out come depends on a few things
• Change in DNA?
• Lymphocytes spread throughout bone marrow?
• The Stage of CLL
• Treatment helping or not?
• General Health
Prognosis
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• 5 year Survival rate
• Treatment and responses to treatment vary greatly
• The five-year relative CLL survival rates by race and sex were:
~ 74.3% for Caucasian men
~ 77.1% for Caucasian women
~53.8% for African American men
~ 62.2 %for African American women.
Prognosis: What are the Survival Rates?
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The End