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Types of Blood Cancer: Understanding Leukemia, Lymphoma, and Myeloma
Blood cancer is a serious group of diseases that affect how blood cells are formed and function. Unlike solid tumors, blood cancers usually begin in the bone marrow or lymphatic system, where blood cells are produced. These cancers interfere with the body’s ability to fight infections, carry oxygen and control bleeding.
Understanding the types of blood cancer is essential for early detection, appropriate treatment and improved survival outcomes.
What Is Blood Cancer?
Blood cancer develops when abnormal blood cells grow uncontrollably, preventing healthy blood cells from functioning normally. These cancers affect:
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red blood cells
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white blood cells
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platelets
According to Indian cancer registries and ICMR data, blood cancers account for a significant proportion of cancer diagnoses across age groups.
Why Blood Cancer Is Increasing
Several factors contribute to rising blood cancer diagnoses:
Early detection remains critical for effective treatment.
Main Types of Blood Cancer
Blood cancers are broadly classified into three major categories.
1. Leukemia
Leukemia is a cancer of the bone marrow and blood, primarily affecting white blood cells.
ALL is more common in children; CLL/CML more common in adults.
In Lymphoma section,
Non-Hodgkin Lymphoma is more common than Hodgkin Lymphoma.
Multiple Myeloma hallmark features (CRAB):
Calcium ?, Renal issues, Anemia, Bone lesions
Types of Leukemia
Leukemia is classified based on:
Acute Leukemia
Acute leukemia progresses rapidly and requires immediate treatment.
Includes:
Common in children and adults.
Chronic Leukemia
Chronic leukemia progresses more slowly and may remain stable for years.
Includes:
Often diagnosed in adults.
Symptoms of Leukemia
2. Lymphoma
Lymphoma is a cancer of the lymphatic system, which is part of the immune system.
Types of Lymphoma
Hodgkin Lymphoma
Characterised by the presence of Reed-Sternberg cells.
Features:
Non-Hodgkin Lymphoma
A diverse group of lymphatic cancers.
Includes:
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B-cell lymphomas
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T-cell lymphomas
More common than Hodgkin lymphoma.
Symptoms of Lymphoma
3. Multiple Myeloma
Multiple myeloma affects plasma cells in the bone marrow.
How Myeloma Affects the Body
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weakens bones
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reduces immunity
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causes anemia
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affects kidney function
Symptoms of Multiple Myeloma
Other Rare Blood Cancers
Less common blood cancers include:
These conditions may progress to leukemia if untreated.
Causes and Risk Factors of Blood Cancer
Risk factors may include:
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genetic mutations
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family history
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radiation exposure
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chemical exposure
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immune system disorders
Many cases have no identifiable cause.
How Blood Cancer Is Diagnosed
Diagnosis may involve:
Early diagnosis improves treatment outcomes.
Importance of Early Detection
Early detection:
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allows timely treatment
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improves survival rates
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reduces complications
According to Lancet Oncology studies, early-stage diagnosis significantly improves prognosis.
Treatment Options for Blood Cancer
Treatment depends on cancer type and stage and may include:
Treatment plans are personalised.
Living with Blood Cancer
With modern advances:
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many patients live long-term
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quality of life has improved
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supportive care plays a vital role
Ongoing monitoring is essential.
When to Seek Medical Advice
Consult a doctor if experiencing:
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persistent fatigue
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frequent infections
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unexplained bruising
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swollen lymph nodes
Early evaluation can be life-saving.
Conclusion
Blood cancer includes a diverse group of diseases that affect blood and immune cells. The main types of blood cancer—leukemia, lymphoma and multiple myeloma—differ in their origin, progression and treatment. Awareness of symptoms and early diagnosis play a crucial role in improving outcomes. With advances in medical science, many blood cancers are now manageable, especially when detected early. Understanding the types of blood cancer empowers individuals to seek timely care and make informed health decisions.
References
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Indian Council of Medical Research (ICMR) – National Cancer Registry Programme
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World Health Organization (WHO) – Classification of Blood Cancers
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National Cancer Institute – Leukemia, Lymphoma and Myeloma Guidelines
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Lancet Oncology – Global Blood Cancer Survival Studies
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NFHS and National Health Data – Cancer Burden in India
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Statista – Global Blood Cancer Statistics