The suffix is always at the end of the word and usually indicates a procedure, a condition, or a disease. The suffix tells us what is happening with a specific body part or system--usually what is wrong with the body or which procedure is being used to diagnose or fix it.
The suffix -itis simply indicates an inflammation of some kind. The -itis is quite popular in medical terminology because it can be applied to just about any body part within any body system.
Inflammation of the tonsils
Inflammation of the bronchus
Inflammation of a joint
Tumor or growth
Malignant (cancerous) tumor or growth
Benign (non-cancerous) tumor derived from smooth muscle. Commonly called a fibroid or fibroid tumor.
Tumor of the melanocytic (melanocytes in the skin) system of the skin, a highly malignant and quickly metastasizing (spreading) tumor
a disease process
Disease process involving the muscles of the heart