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You are here : AllRefer.com > Health > Medical Symptoms > Armpit lump

Armpit lump

Alternate Names : Lump in the armpit, Localized lymphadenopathy - armpit, Axillary lymphadenopathy, Axillary lymph enlargement, Lymph nodes enlargement - axillary, Axillary abscess


Definition

An armpit lump refers to enlargement of one or more lymph nodes under the arm.

Overview & Considerations

Lumps in the armpit have various causes. Cysts and infections on the surface of the skin of the armpit may be caused by shaving or use of antiperspirants (as opposed to deodorants). This occurs most frequently in adolescents just beginning to shave. Abscesses under the skin may also produce large, painful lumps in the armpit.

Lumps may occur when lymph nodes are swollen due to bacterial or viral infections, vaccinations, and cancer.

Lymph nodes are filters that can catch infectious organisms or cancerous tumor cells. When they do, lymph nodes increase in size and are easily felt. An armpit lump in a woman should be checked by a health care provider immediately, as it may be a sign of breast cancer.

Common Causes
Pictures & Images

Female breast
Female breast

Lymphatic system
Lymphatic system

Swollen lymph nodes under arm
Swollen lymph nodes under arm

   
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Review Date : 8/2/2009
Reviewed By : Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.



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