Informed Patients. Dermatology Associates of Ithaca believes that informed patients are better prepared to make decisions regarding their health and well-being. That is why we've included information on this web site covering topics associated with dermatology. Some of our derm services include acne treatment, eczema, skin cancer, and more.Patient Resources‧Dermatology Staff‧About‧General Dermatology‧Skin Cancer Treatments‧Cosmetics.