Treatment failure can occur with any regimen in patients with or without HIV infection. Because the possibility of clinical relapse after syphilis therapy may be slightly higher in HIV-infected patients, the importance of closely following HIV-infected patients with syphilis cannot be overstated.
Lumpectomy (sometimes known as a tylectomy) is a surgical removal of a discrete portion or lump of breast, usually in the treatment of malignant tumor or breast cancer.
The term cholecystectomy is composed of the combining form cholecyst/o and the suffix -ectomy, meaning surgical removal. The combining vowel is not used because the suffix already begins with a vowel. A cholecystectomy is the removal of the gallbladder.