Acute Promyelocytic Leukemia: Causes, Symptoms, Diagnosis, and Treatment

Acute Promyelocytic Leukemia: Causes, Symptoms, Diagnosis, and Treatment

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Focused Health Topics
Heart & Vascular Health
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Contributed byAlexander Enabnit+2 moreJun 20, 2023

Introduction:

Acute promyelocytic leukemia (APL) is a rare and aggressive form of leukemia that affects the white blood cells. It is characterized by an abnormal growth of immature blood cells called promyelocytes. This condition can be life-threatening if not diagnosed and treated promptly. In this article, we will discuss the causes, symptoms, diagnosis, and treatment options for APL.

Causes of Acute Promyelocytic Leukemia:

The exact cause of APL is not fully understood. However, research has identified several factors that may increase the risk of developing the disease, including:

  • Exposure to radiation: High levels of radiation exposure, such as those experienced during a nuclear disaster, can increase the risk of developing APL.
  • Exposure to certain chemicals: Exposure to chemicals such as benzene, a solvent found in gasoline, can increase the risk of developing leukemia, including APL.
  • Genetic mutations: Certain genetic mutations, such as a translocation between chromosomes 15 and 17, can increase the risk of developing APL.

Symptoms of Acute Promyelocytic Leukemia:

The symptoms of APL are similar to those of other types of leukemia and may include:

  • Fatigue: Feeling tired and weak is a common symptom of APL.
  • Pale skin: APL can cause a lack of red blood cells, resulting in pale skin.
  • Shortness of breath: APL can cause anemia, which can lead to shortness of breath.
  • Unexplained weight loss: APL can cause loss of appetite and weight loss.
  • Frequent infections: APL can weaken the immune system, leading to frequent infections.
  • Easy bruising or bleeding: APL can cause a lack of platelets, leading to easy bruising and bleeding.
  • Tiny red spots under the skin: APL can cause tiny red spots called petechiae to appear under the skin.
  • Bone pain: APL can cause bone pain or tenderness.

Tests for Acute Promyelocytic Leukemia:

APL is diagnosed through a combination of tests, including:

  • Blood tests: A complete blood count (CBC) may show low red and white blood cell counts and low platelet counts. A peripheral blood smear may show abnormal cells called promyelocytes.
  • Bone marrow biopsy: A sample of bone marrow is taken and examined under a microscope to check for abnormal cells.
  • Genetic testing: A genetic test can detect the presence of the PML-RARA gene, which is characteristic of APL.
  • Coagulation tests: Blood clotting tests may be done to check for the risk of bleeding and to monitor the effects of treatment.

Treatments for Acute Promyelocytic Leukemia:

Treatment for APL involves aggressive chemotherapy and, in some cases, radiation therapy. The goal of treatment is to achieve remission and prevent relapse.

  • Chemotherapy: A combination of chemotherapy drugs is typically used to induce remission. The most commonly used drugs include all-trans retinoic acid (ATRA) and arsenic trioxide.
  • Radiation therapy: In some cases, radiation therapy may be used to kill cancer cells.
  • Stem cell transplant: In certain cases, a stem cell transplant may be recommended to replace diseased bone marrow with healthy bone marrow.
  • Supportive care: Patients with APL are at an increased risk of bleeding and infection, so supportive care is important. This may include blood transfusions, antibiotics, and other treatments to manage symptoms.

Conclusion:

APL is a rare and aggressive form of leukemia, but early diagnosis and aggressive treatment can lead to a good prognosis. If you experience any symptoms of APL or have concerns about your risk, talk to your doctor about screening and prevention strategies.

Hashtags: #APL #Leukemia #Cancer #CancerAwareness

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On the Article

Krish Tangella MD, MBA picture
Approved by

Krish Tangella MD, MBA

Pathology, Medical Editorial Board, DoveMed Team
Alexander Enabnit picture
Author

Alexander Enabnit

Senior Editorial Staff
Alexandra Warren picture
Author

Alexandra Warren

Senior Editorial Staff

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