Differential Diagnosis for Left Breast Asymmetry and Numbness

• Single most likely diagnosis
  • Benign breast condition with nerve compression or irritation: This could be due to the stable benign breast lymph node causing compression or irritation of the surrounding nerves, leading to numbness. The breast asymmetry could be related to the underlying condition causing the lymph node enlargement or a separate benign breast condition.
• Other Likely diagnoses
  • Breast cyst or fibroadenoma: These are common benign breast conditions that could cause asymmetry and, if large enough or located near nerves, could cause numbness.
  • Mondor's disease: This is a rare condition characterized by thrombophlebitis of the superficial veins of the breast, which could cause numbness and asymmetry.
  • Breast lipoma: A benign fatty tumor that could cause asymmetry and, if pressing on nerves, numbness.
• Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
  • Breast cancer: Although less likely, breast cancer could cause numbness if it invades or compresses nerves. It's crucial to rule out cancer, especially if there's a palpable mass or significant asymmetry.
  • Sarcoma: A rare type of cancer that could occur in the breast tissue, potentially causing numbness and asymmetry.
  • Neurological conditions affecting the breast area: Conditions like multiple sclerosis or peripheral neuropathy could cause numbness in the breast area, though these would typically have other associated symptoms.
• Rare diagnoses
  • Neurofibroma: A rare benign nerve tumor that could cause numbness and asymmetry if located in the breast area.
  • Breast hemangioma: A rare benign vascular tumor that could cause numbness if it compresses nerves and asymmetry due to its location and size.
  • Surgical or traumatic nerve damage: If the patient has a history of breast surgery or trauma, nerve damage could be a cause of numbness, though this would typically be associated with a clear history of such an event.