Underarm Lump
An underarm lump, or an “axillary mass”, has a variety of causes, but is usually a swollen axillary lymph node. Causes of a swollen lymph node include lymphatic conditions (e.g. lymphadenopathy, lymphoma), arm infection, breast condition (e.g. mastitis
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Causes
Causes of a swollen underarm lump include:
- Swollen axillary lymph node (lymphadenitis)
- Lipoma
- Sebaceous cyst
- Aneurysm
- Cystic hygroma
- Hydradenitis suppurativa
... More Causes »
Related Articles
- Lymphoma: Lymphoma is a cancer of the lymphatic gland tissue. Its main symptom is lymph node enlargement (lymphadenopathy) and lymphoma can
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- Mastitis: Mastitis is an inflammation of one or both breasts, usually due to a bacterial infection. It occurs most commonly in
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... More on Mastitis »
- Breast Cancer: Breast Cancer is cancer of the female breast tissue. Usually this is discovered as a breast lump, but there is
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... More on Breast Cancer »
- Systemic Disorders: Systemic disorders is the general category of disorders and diseases where an entire body system is affected, or the entire
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- Leukemia: Leukemia is a cancer of the bone marrow tissues that produce white blood cells. Too many white blood cells are
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- Rheumatoid Arthritis: Rheumatoid Arthritis (RA) is an autoimmune form of arthritis, where the body’s own immune system cells attack parts of
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... More on Rheumatoid Arthritis »
- Aneurysm: An aneurysm is a life-threatening disorder of an artery. It occurs where the wall of the artery has become
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... More on Aneurysm »
- Breast abscess: A breast abscess (or nipple abscess) is a breast lump that is formed by a collection of pus, which is
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... More on Breast abscess »
- Tularemia: Tularemia is a contagious bacterial disease that can be caught from animals with a tick bite as the vector. Hence
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- Tuberculosis: Tuberculosis (TB) is an infectious bacterial lung disease. Its older name was “consumption”. It had declined thanks to modern treatments
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Related Symptom Topics
Read more about these related symptoms:
- Swollen Lymph Nodes- Overview| Causes| Types
- Arm Symptoms- Causes| Types
- Infection- Overview
... More Symptoms »
Related Disease and Condition Topics
Read about these medical conditions related to Underarm Lump:
- Lymphoma- Overview
- Mastitis- Overview| Drugs
- Breast Cancer- Overview| Drugs
- Systemic Disorders- Overview
... More Diseases »
Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.