With the knowledge of cysts and cancer more prevalent these recent years, a lump anywhere on the body typically already causes concern. Lumps under the armpit are considered among those that require medical attention, as it typically comes about as one lymph node or more, many of which are found under a person’s arm, are enlarged.
Of course, a lump under the armpit typically has numerous possible causes. For example, infections and cysts on the surface of the skin on the armpit itself may come about from shaving or antiperspirant use. These lumps on the armpit itself are common among adolescents who are just starting to shave. When the skin has abscesses, it may also result in large and painful lump, whether in the armpit or just below. Lumps under the armpit are most likely caused by lymph nodes that swell up in response to a viral or bacterial infection, or in some cases, due to vaccinations or cancer.
This is because lymph nodes are actually filters that work at catching infectious organisms as well as cancerous tumors. When the lymph nodes do this, they increase in size, making them tangible outside the skin. This is why a lump under the armpit, particularly in ladies, needs to be consulted with a medical expert as soon as possible, as it may signal the presence of breast cancer. Indeed, certain cancers manifest with a lump under the armpit, particularly Hodgkin’s lymphoma, Non-Hodgkin’s lymphoma, and leukemia.
If cancer is ruled out, bacterial infections may also cause a lump under the armpit, such as an infection on the arm or the breast. Ascending lymphangitis, lymphadenitis, or cat scratch disease are also common bacterial infections. A fungal infection may also cause a lump, such as sporotrichosis. Other causes include benign or harmless cysts, lipomas, or harmless fatty growths, or normal breast tissue that extends towards the armpit. Vaccinations may also cause lumps, particularly the MMR (mumps, measles and rubella) vaccine, smallpox, and typhoid vaccine. Allergic reactions to iodine, penicillin, or sulfa drugs may also cause lumps under the armpit. Viral infections such as chickenpox, AIDS, infectious mononucleosis, and shingles may also cause lumps.
If you find any unexplained lump under your armpit, contact your medical professional immediately. Your doctor will help determine the cause of the lump. When you go to visit your doctor, it will be best if you can have the following information ready: when was the lump first noticed? Is the lump getting worse, better, or staying the same? Are you breastfeeding? Have you noted any trigger that seems to worsen it? Are you experiencing any other symptoms? Does the lump hurt?
The doctor will perform a physical exam, including palpation, which involves pressing the nodes gently using the fingertips. From there, the doctor may call for more tests, such as blood tests, a liver-spleen scan, kidney and liver function tests, a chest X-ray, a lymph node biopsy and a mammogram.
In any case, you need to understand that a lump in the armpit, when caused by a viral infection or an allergic reaction, will go away on its own without treatment. Cysts or normal breast tissue that turn into lumps also require no treatment. It is typically the cancerous types of lump that requires immediate treatment, and the sooner you get the diagnosis confirmed, the greater the chances of recovery.