fasciitis /fas′ē·ī″tis/ , 1. an inflammation of the connective tissue that may be caused by streptococcal or other types of infection, an injury, or an autoimmune reaction. 2. an abnormal benign growth (pseudosarcomatous fasciitis) resembling a tumor that develops in the subcutaneous oral tissues, usually in the cheek. Commonly growing rapidly and then regressing, it consists of young fibroblasts and many capillaries and may be mistaken for fibrosarcoma. Also spelled fascitis.
