The term breast mass is preferred over lump for a palpably discrete area of any size. A breast mass may be discovered by patients incidentally or during breast self-examination or by the clinician during routine physical examination. Masses may be painless or painful and are sometimes accompanied by nipple discharge or skin changes. The most common causes include.
Breast Masses (Breast Lumps) - Gynecology and Obstetrics - Merck Manuals Professional Edition
An important way to keep up with your breast health is to be aware of how your breasts normally look and feel, and know what changes to look for. Finding breast cancer as early as possible gives you a better chance of successful treatment. A lump or mass in the breast is the most common symptom of breast cancer. Such lumps are often hard and painless, though some may be painful.
The most common symptom of a phyllodes tumor is a breast lump that you or your doctor can feel while examining the breasts. Phyllodes tumors tend to grow quickly, within a period of weeks or months, to a size of cm or sometimes larger. This rapid growth does not automatically mean the phyllodes tumor is malignant; benign tumors can grow quickly, too. If left unchecked, the lump can create a visible bulge as it pushes against the skin. In more advanced cases — whether benign, borderline, or malignant — a phyllodes tumor can cause an ulcer or open wound to form on the breast skin.
There are different types of breast lumps. The following descriptions and illustraitons provides some details. If you have any questions, follow-up with your doctor.