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Hairy cell leukaemia (HCL) is a type of rare blood cancer that can affect both the bloodstream and the bone marrow. It is a chronic lymphoproliferative disorder that results from an overproduction of B-lymphocytes (a type of lymphocyte), and there are many aspects of HCL, including how it differs from person-to-person, treatment options, and the overall impact on people who have been diagnosed with it.
What Is Hairy Cell Leukemia?
Hairy cell leukemia is a rare kind of blood cancer. It starts when your bone marrow pumps out too many abnormal B-cells, which are a type of white blood cell. These strange cells pile up in places like your bone marrow, lymph nodes, liver, and spleen.
The name’s pretty literal—under a microscope, these cells look like they have little hairs sticking out. This leukemia usually grows slowly, and honestly, a lot of people don’t notice any symptoms for years.
HCL (hairy cell leukemia) is a common cancer, yet it consists of multiple variations of itself. The two major types are Classic HCL and Variant HCL, each with its own characteristics.
Classic hairy-cell leukaemia is the most common form of HCL, representing a majority of all cases. This type has abnormal B-cells with multiple "hairlike" protrusions coming from them, and typically has a good prognosis and responds well to treatment.
Variant hairy-cell leukaemia is less common than classic, but actively exhibits most similarities to classic, while also displaying several distinct characteristics. The hairlike protrusions are less pronounced on the B-cells in Variant HCL; however, Variant HCL is considerably more aggressive than Classic HCL, and generally does not respond positively to numerous forms of treatment.
Medical Treatments
Chemotherapy usually comes first for hairy cell leukaemia. Doctors rely on it because it works—these drugs go after cancer cells hard. Most people see their cancer shrink or even disappear for a while. Cladribine is the main chemo drug here, and you get it through an IV.
Targeted therapy works a little differently. These drugs home in on certain proteins or genes that help cancer grow. Sometimes doctors use targeted therapy right from the start, either with chemo or instead of it. If the cancer shows up again after chemo, targeted therapy steps in.
Immunotherapy helps your own immune system fight the cancer. With hairy cell leukaemia, doctors use treatments like interferon or rituximab. Immunotherapy often joins forces with chemo, especially if the disease keeps coming back.
Splenectomy. If your spleen gets really big or starts causing problems, doctors might remove it. Taking out the spleen doesn’t cure hairy cell leukaemia, but it can help your blood counts bounce back. Still, surgery like this isn’t common for HCL.
Non-Pharmacological Treatments
In addition to medical treatments, patients may also want to think about:
Changing their lifestyle (Regular exercise, eating healthy, and dealing with stress are all ways to help stay healthy and well).
Eating a diet that contains more antioxidants (Antioxidants protect you from disease and support your immune system).
Complementary therapies (Some patients use complementary therapies such as acupuncture or meditation to help reduce their symptoms and improve their quality of life).
Special Considerations
HCL in pediatric patients is uncommon and has different treatment methods than adults.
Older patients need customised treatment based on their general health and any concurrent illnesses.
The cost of treating hairy cell leukemia in India varies anywhere from $3,000 to $6,000 depending on a number of factors such as the type of procedure, the condition of the patient and the kind of hospital you select.
|
Treatment Type |
Cost Range (USD) |
|
Chemotherapy (Cladribine/Pentostatin) |
$1,800 – $3,000 |
|
Targeted Therapy (BRAF Inhibitors) |
$2,200 – $4,200 |
|
Immunotherapy (Rituximab) |
$1,200 – $2,400 |
|
Diagnostic Workup |
$240 – $600 |
Hairy cell leukaemia may present its symptoms differently to different patients and some people may not have any symptoms during the initial levels of the disease. Nevertheless, with the increasing stage of the condition, one can expect the following symptoms:
Fatigue or Weakness: Hairy cell leukaemia may also lead to the constant feeling of tiredness and weakness that may disrupt daily activities.
Recurrent Infections: HCL impairs the immune system, which predisposes one to infections.
Easy Bruising or Bleeding: HCL may cause easy bruising or bleeding caused by minor injuries, such as frequent nosebleeds, bleeding gums or having prolonged bleeding after cuts.
Fever or Night Sweats: There are cases when some people may have night sweats and some frequent fevers.
Loss of Appetite: As the number of normal blood cells reduces, the person affected with HCL may feel fatigued and not want to eat.
Unintentional Weight Loss: The patients of HCL will also experience unintentional weight loss because of a reduction in appetite and the body's reaction to the disease.
Shortness of Breath: It may result from anaemia, where there is a loss in the number of red blood cells and oxygen-carrying capacity.
Pain or Fullness in the Belly right under the Ribs: Fullness in the belly or pain may be experienced by an individual because of the swollen spleen.
Painless Lumps in the Underarm, Neck, Stomach, or Groin: This may happen as a result of a lump in the lymph node or a lump in the spleen.
The hairy cell leukaemia usually develops at a very slow pace. That is why there can be only a number of complications. Such complications may be caused by abnormal growth and accumulation of hairy cells in the bone marrow and other organs. The common complications with HCL include:
Infections: HCL may suppress the immune system and increase the risk of infections in persons. This may lead to frequent or serious infections as a result of reduced normal white blood cells, which combat infection.
Anaemia: HCL may result in a decrease in red blood cells, which causes anaemia. The loss of oxygen-carrying capacity of the blood can cause fatigue, weakness and shortness of breath, as well as pale skin because anaemia occurs.
Bleeding: HCL may cause low platelet counts, which is known as thrombocytopenia. Platelets are needed for proper blood clotting, and a low platelet count may predispose an individual to bruising. It can also contribute to the possibility of bleeding of the gums or nose.
Nobody really knows what causes HCL, but some things can make it more likely. Just because you have these risk factors doesn’t mean you’ll get HCL, but they do raise your chances a bit.
Age: People usually get hairy cell leukaemia between 40 and 70. Kids almost never get it.
Gender: Men are about five times more likely than women to develop HCL.
Ethnicity: White people tend to get HCL more often than people from other backgrounds.
Family history: If a close family member—like a parent or sibling—has HCL, your own risk goes up a little. Still, most people with a family history never get it themselves.
Exposure to chemicals: Being around chemicals like benzene can boost your risk.
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