Articles

  • Disease

    Acute lymphoblastic leukemia (ALL)

    A small amount of bone marrow is removed during a bone marrow aspiration.  The procedure is uncomfortable, but can be tolerated by both children and adults.  The marrow can be studied to determine the cause of anemia, the presence of leukemia or other malignancy, or the presence of some "storage diseases" in which abnormal metabolic products are stored in certain bone marrow cells.

    Acute lymphoblastic leukemia (ALL) is a fast-growing cancer of a type of white blood cells called lymphoblasts. These cells are usually found in the bone mar...

  • Disease

    Acute myeloid leukemia

    Blood is comprised of red blood cells, platelets, and various white blood cells.

    Acute myeloid leukemia (AML) is cancer that starts inside bone marrow, the soft tissue inside bones that helps form blood cells. The cancer grows from cells ...

  • Disease

    Adrenocortical carcinoma

    This CT scan of the upper abdomen shows an adrenal metastasis (spreading of a tumor to the adrenal gland, above the kidney) in a person with lung cancer.

    Adrenocortical carcinoma is a cancer of the adrenal glands. Adrenocortical carcinoma is most common in children younger than 5 and adults in their 30s and 40...

  • Disease

    Agranulocytosis

    Blood is comprised of red blood cells, platelets, and various white blood cells.

    Agranulocytosis is a condition in which the bone marrow does not make enough of a certain type of mature white blood cells (neutrophils). Bone marrow is the ...

  • Disease

    Anaplastic thyroid cancer

    This CT scan of the upper chest (thorax) shows a malignant thyroid tumor (cancer). The dark area around the trachea (marked by the white U-shaped tip of the respiratory tube) is an area where normal tissue has been eroded and died (necrosis) as a result of tumor growth.

    Anaplastic thyroid carcinoma is a rare and aggressive form of cancer of the thyroid gland. Anaplastic thyroid cancer grows very rapidly and is an invasive ty...

  • Disease

    Aplastic anemia

    A small amount of bone marrow is removed during a bone marrow aspiration.  The procedure is uncomfortable, but can be tolerated by both children and adults.  The marrow can be studied to determine the cause of anemia, the presence of leukemia or other malignancy, or the presence of some "storage diseases" in which abnormal metabolic products are stored in certain bone marrow cells.

    Aplastic anemia is a condition in which the bone marrow does not make enough new blood cells. Bone marrow is the soft, fatty tissue in the center of bones. A...

  • Disease

    Arrhenoblastoma of ovary

    Arrhenoblastoma of the ovary is an ovarian tumor that releases the male hormone, testosterone, or other hormones. See also: Sertoli-Leydig cell tumor This is...