Differential Diagnosis for Armpit Fullness Feeling
Single Most Likely Diagnosis
- Lymphadenopathy due to viral or bacterial infection: This is the most likely diagnosis, as a fullness feeling in the armpit is often associated with swollen lymph nodes, which can be caused by a viral or bacterial infection, such as the common cold or flu.
Other Likely Diagnoses
- Breast cancer: Although less common, breast cancer can cause a fullness feeling in the armpit, especially if the cancer has spread to the lymph nodes.
- Axillary abscess or cyst: An abscess or cyst in the armpit can cause a feeling of fullness or swelling.
- Lipoma or other benign tumor: A benign tumor, such as a lipoma, can grow in the armpit and cause a feeling of fullness.
- Hidradenitis suppurativa: This is a chronic skin condition that can cause inflammation and swelling in the armpit, leading to a feeling of fullness.
Do Not Miss Diagnoses
- Lymphoma: Although rare, lymphoma can cause swollen lymph nodes in the armpit, and it is essential to rule out this diagnosis due to its potential severity.
- Metastatic cancer: Cancer that has spread to the lymph nodes in the armpit can cause a feeling of fullness, and it is crucial to consider this diagnosis to ensure prompt treatment.
- Tuberculosis: TB can cause swollen lymph nodes in the armpit, and it is essential to consider this diagnosis, especially in individuals with a history of exposure or travel to high-risk areas.
Rare Diagnoses
- Sarcoma: A rare type of cancer that can occur in the soft tissues of the armpit, causing a feeling of fullness.
- Neurofibroma: A rare benign tumor that can grow on nerve tissue in the armpit, causing a feeling of fullness.
- Axillary vein thrombosis: A rare condition where a blood clot forms in the axillary vein, causing swelling and fullness in the armpit.