Definition. 1  A lumpectomy is a type of surgery used to treat breast cancer. 2  Lumpectomy is a surgical treatment for newly diagnosed breast cancer. 3  The extent and severity of a cancer is evaluated or staged according to a fairly complex system.
Common side effects when used by mouth include shortness of breath, headache, numbness, depression, skin dryness, itchiness, hair loss, vomiting, muscle pains, and vision changes. Other severe side effects include high white blood cell counts and blood clots. When used as a cream side effects include skin redness, peeling, and sun sensitivity. Use during pregnancy is known to harm the baby. It is in the retinoid family of medications. Tretinoin was patented in 1957 and approved for medical use in 1962.
The clinical significance of these irritation studies for patients with acne is not established. Comparable effectiveness of Retin-A Micro (tretinoin gel) microsphere, 0.1% and tretinoin cream, 0.1%, has not been established.The lower irritancy of Retin-A Micro (tretinoin gel) microsphere, 0.1% in subjects without acne may be attributable to the properties of its vehicle.ymptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects.