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    Abdominal mass

    Mass in the abdomen

    An abdominal mass is swelling in one part of the belly area (abdomen).

    Considerations

    An abdominal mass is usually found during a routine physical examination. Most of the time the mass develops slowly. You may not be able to feel the mass.

    Finding where the pain occurs helps the doctor make a diagnosis. For example, the abdomen is usually divided into four areas:

    • Right-upper quadrant
    • Left-upper quadrant
    • Right-lower quadrant
    • Left-lower quadrant

    Other terms used to find the location of abdominal pain or masses include:

    • Epigastric -- center of the abdomen just below the rib cage
    • Periumbilical -- area around the bellybutton

    The location of the mass and its firmness, texture, and other qualities can provide clues to its cause.

    Causes

    • Abdominal aortic aneurysm can cause a pulsating mass around the navel.
    • Bladder distention (urinary bladder over-filled with fluid) can cause a firm mass in the center of the lower abdomen above the pelvic bones. In extreme cases it can reach as far up as the navel.
    • Cholecystitis can cause a very tender mass that is felt below the liver in the right-upper quadrant (occasionally).
    • Colon cancer can cause a mass almost anywhere in the abdomen.
    • Crohn's disease or bowel obstruction can cause many tender, sausage-shaped masses anywhere in the abdomen.
    • Diverticulitis can cause a mass that is usually located in the left-lower quadrant.
    • Gallbladder tumor can cause a tender, irregularly shaped mass in the right-upper quadrant.
    • Hydronephrosis (fluid-filled kidney) can cause a smooth, spongy-feeling mass in one or both sides or toward the back (flank area).
    • Kidney cancer can sometimes cause a mass in the abdomen.
    • Liver cancer can cause a firm, lumpy mass in the right upper quadrant.
    • Liver enlargement (hepatomegaly) can cause a firm, irregular mass below the right rib cage, or on the left side in the stomach area.
    • Neuroblastoma, a cancerous tumor, often found in the lower abdomen, that mainly occurs in children and infants.
    • Ovarian cyst can cause a smooth, rounded, rubbery mass above the pelvis in the lower abdomen.
    • Pancreatic abscess can cause a mass in the upper abdomen in the epigastric area.
    • Pancreatic pseudocyst can cause a lumpy mass in the upper abdomen in the epigastric area.
    • Renal cell carcinoma can cause a smooth, firm, but not tender mass near the kidney (usually only affects one kidney).
    • Spleen enlargement (splenomegaly) can sometimes be felt in the left-upper quadrant.
    • Stomach cancer can cause a mass in the left-upper abdomen in the stomach area (epigastric) if the cancer is large.
    • Uterine leiomyoma (fibroids) can cause a round, lumpy mass above the pelvis in the lower abdomen (sometimes can be felt if the fibroids are large).
    • Volvulus can cause a mass anywhere in the abdomen.
    • Ureteropelvic junction obstruction can cause a mass in the lower abdomen.

    Home Care

    All abdominal masses should be examined as soon as possible by the health care provider.

    Changing your body position may help relieve pain due to an abdominal mass.

    When to Contact a Medical Professional

    Seek immediate medical help if you have a pulsating lump in your abdomen along with severe abdominal pain. This could be a sign of a ruptured aortic aneurysm, which is an emergency condition.

    Contact your doctor if you notice any type of abdominal mass.

    What to Expect at Your Office Visit

    In nonemergency situations, your doctor will perform a physical exam and ask questions about your symptoms and medical history.

    In an emergency situation, you will be stabilized first. Then, the doctor will exam your abdomen and ask questions about your symptoms and medical history, such as:

    • Where is the mass located?
    • When did you notice the mass?
    • Does it come and go?
    • Has the mass changed in size or position? Has it become more or less painful?
    • What other symptoms do you have?

    A pelvic or rectal examination may be needed in some cases. Tests that may be done to find the cause of an abdominal mass include:

    • Abdominal CT scan
    • Abdominal ultrasound
    • Abdominal x-ray
    • Angiography
    • Barium enema
    • Blood tests such as CBC and blood chemistry
    • Colonoscopy
    • EGD
    • Isotope study
    • Sigmoidoscopy

    References

    Mcquaid K. Approach to the patient with gastrointestinal disease. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 134.

    Squires RA, Postier RG. Acute abdomen. In:Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds.Sabiston Textbook of Surgery. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2012:chap 47.

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    • Aortic aneurysm

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      • Digestive system

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      • Fibroid tumors

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      • Aortic aneurysm

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      A Closer Look

        Self Care

          Tests for Abdominal mass

            Review Date: 10/14/2012

            Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.

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