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Leukemia Center - Harrisburg, PA

Harrisburg 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 Harrisburg *

East Shore Oncology
Roland R Alexander
750 E Park Dr
FL 2
Harrisburg, PA 17111
(717) 558-7350

Nenito P Uy MD
Nenito P Uy
8 Prospect Ave
West Grove, PA 19390
(610) 869-0811

Harrisburg, Pennsylvania

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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 Harrisburg

  • In case of Emergency, call 911

Nearby Harrisburg Hospitals *

Harrisburg Hospital
111 S Front St
Harrisburg, PA 17101
(717)782-3131

Polyclinic Hospital
2501 N 3rd St
Harrisburg, PA 17110
(717)782-4141

Holy Spirit Hospital
503 N 21st St
Camp Hill, PA 17011
(717)763-2100

Select Specialty Hospital Camp Hill
503 N 21st St
Camp Hill, PA 17011
(717)972-4575

Community General Osteopathic Hospital Pinnacle Health
4300 Londonderry Rd
Harrisburg, PA 17109
(717)652-3000

Helen M Simpson Rehabilitation Hospital
4300 Londonderry Rd
Harrisburg, PA 17109
(717)920-4300

HEALTHSOUTH Mechanicsburg Rehabilitation Hospital
175 Lancaster Blvd
Mechanicsburg, PA 17055
(717)691-3700

HEALTHSOUTH Regional Specialty Hospital
4950 Wilson Ln
Mechanicsburg, PA 17055
(717)697-7706

Penn State Hershey Medical Center
500 University Dr
Hershey, PA 17033
(717)531-8521

Penn State Children's Hospital
500 University Dr
Hershey, PA 17033
(717)531-8521

Carlisle Regional Medical Center
361 Alexander Spring Rd
Carlisle, PA 17015
(717)249-1212

HEALTHSOUTH Rehabilitation Hospital of York
1850 Normandie Dr
York, PA 17408
(717)767-6941

Philhaven
283 S Butler Rd
Mount Gretna, PA 17064
(717)273-8871

Memorial Hospital
325 S Belmont St
York, PA 17403
(717)843-8623

York Hospital
1001 S George St
York, PA 17403
(717)851-2345

The Good Samaritan Hospital
4th & Walnut Sts
Lebanon, PA 17042
(717)270-7500

Lebanon VA Medical Center
1700 S Lincoln Ave
Lebanon, PA 17042
(717)272-6621

Lancaster General Women & Babies Hospital
690 Good Dr
Lancaster, PA 17604
(717)544-3700

Lancaster Rehabilitation Hospital
675 Good Dr
Lancaster, PA 17604
(717)394-7500

Heart of Lancaster Regional Medical Center
1500 Highlands Dr
Lititz, PA 17543
(717)625-5000

Hanover Hospital
300 Highland Ave
Hanover, PA 17331
(717)637-3711

Lancaster Regional Medical Center
250 College Ave
Lancaster, PA 17603
(717)291-8211

Lancaster General Hospital
555 N Duke St
Lancaster, PA 17604
(717)544-5511

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