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Leukemia Center - Harlingen, TX

Harlingen Oncologist Doctors for Leukemia

Type of Physician: Oncologist

What is a Oncologist?

A subspecialty certification by the Board of Internal Medicine; the oncologist specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. These subspecialists decide on and administer chemotherapy as well as consult with surgeons and radiotherapists on other treatment for cancer.

Specialty: Oncology (Medical)

Common Name: Cancer Doctor

Oncologist Doctors in Harlingen *

Texas Oncology
Daniel Farray-berges
1330 E 6th St
STE 204
Weslaco, TX 78596
(956) 969-0021

South Texas Cancer Center McAllen andTexas Oncology
Joseph P Litam
522 East Dr
Mcallen, TX 78504
(956) 687-1115

Harlingen, Texas

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Leukemia

What is leukemia?

Leukemia is cancer that starts in the tissue that forms blood. To understand cancer, it helps to know how normal blood cells form.

Normal Blood Cells

Most blood cells develop from cells in the bone marrow called stem cells. Bone marrow is the soft material in the center of most bones.

Stem cells mature into different kinds of blood cells. Each kind has a special job:


White blood cells help fight infection. There are several types of white blood cells.


Red blood cells carry oxygen to tissues throughout the body.


Platelets help form blood clots that control bleeding.

White blood cells, red blood cells, and platelets are made from stem cells as the body needs them. When cells grow old or get damaged, they die, and new cells take their place.

The picture below shows how stem cells can mature into different types of white blood cells. First, a stem cell matures into either a myeloid stem cell or a lymphoid stem cell:

  • A myeloid stem cell matures into a myeloid blast. The blast can form a red blood cell, platelets, or one of several types of white blood cells.
  • A lymphoid stem cell matures into a lymphoid blast. The blast can form one of several types of white blood cells, such as B cells or T cells.

The white blood cells that form from myeloid blasts are different from the white blood cells that form from lymphoid blasts.

Leukemia Cells

In a person with leukemia, the bone marrow makes abnormal white blood cells. The abnormal cells are leukemia cells.

Unlike normal blood cells, leukemia cells don't die when they should. They may crowd out normal white blood cells, red blood cells, and platelets. This makes it hard for normal blood cells to do their work.

Types of Leukemia...

Recommended Reading Related to Leukemia

Swollen Lymph Nodes »

What are lymph nodes?

Lymph nodes are an important component of the body's immune system and help in fighting infections.

They are small, soft, round or oval structures that are found throughout the body and are connected to each other in chain-like (lymphatic chains) fashion by channels similar to blood vessels. Each individual lymph node is covered by a capsule made up of connective tissue.

Within the capsule, lymph nodes contain certain kinds of immune cells. These cells are mainly lymphocytes, which produce proteins that capture and fight viruses and other microbes, and macrophages, which destroy and remove the captured material.

Where are the lymph nodes located in the body?

Lymph nodes are located throughout the body. Some are directly under the skin while others are deep inside the body. Even the most superficial (close to the skin) lymph nodes are usually not visible or palpable (felt by touchi...

Emergency Contact for Harlingen

  • In case of Emergency, call 911

Nearby Harlingen Hospitals *

Valley Baptist Medical Center
2101 Pease St
Harlingen, TX 78550
(956)389-1100

Harlingen Medical Center
5501 S Expressway 77
Harlingen, TX 78550
(956)365-1000

Brownsville Doctors Hospital
4750 N Expressway
Brownsville, TX 78526
(956)554-2000

Knapp Medical Center
1401 E 8th St
Weslaco, TX 78596
(956)968-8567

Valley Regional Medical Center
100 A Alton Gloor Blvd
Brownsville, TX 78526
(956)350-7000

Valley Baptist Medical Center Brownsville
1040 W Jefferson St
Brownsville, TX 78520
(956)544-1400

Cornerstone Regional Hospital
2302 Cornerstone Blvd
Edinburg, TX 78539
(956)618-4444

Edinburg Regional Medical Center
1102 W Trenton Rd
Edinburg, TX 78539
(956)388-6000

LifeCare Hospitals of South Texas McAllen Campus North
5101 N Jackson Rd
Mcallen, TX 78504
(956)926-7000

Doctors Hospital At Renaissance
5501 S McColl Rd
Edinburg, TX 78539
(956)661-7100

McAllen Heart Hospital
1900 South D St
Mcallen, TX 78503
(956)994-2401

Rio Grande Regional Hospital
101 E Ridge Rd
Mcallen, TX 78503
(956)632-6000

McAllen Medical Center
301 W Expressway 83
Mcallen, TX 78503
(956)632-4000

LifeCare Hospitals of South Texas McAllen Campus South
2001 South M St
Mcallen, TX 78503
(956)688-4300

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