Pilonidal Disease - Information about pilonidal cysts and surgical treatment options, personal stories and a discussion board. World Wide Wounds: Pilonidal Sinus Disease - Article covering the pathology, clinical presentations and appropriate management of the disease. Abscesses - An abscess is a collection of pus in any part of the body and causes swelling and inflammation. This article describes the different types, their symptoms, causes, prevention and treatment. Times Health Guide: Carbuncle - Article including information on causes, symptoms, diagnosis, treatment and prevention. eMedicine Health - Consumer health resource center providing an overview of the causes, symptoms, and treatments of medical abscess. NHS Choices: Actinomycosis - Provides information on this chronic infection, also known as lumpy jaw. Includes a short video and details of symptoms, causes, diagnosis, treatment, complications and prevention. Merck Manual: Folliculitis and Skin Abscesses - Article about these abscesses which are caused by Staphylococcus aureus bacteria accumulating in pus-filled pockets on the skin surface. Patient UK: Boils and Carbuncles - Factsheet describing these conditions, their presentation, investigation, differential diagnosis and management. MedlinePlus: Abscesses - Provides links to articles and other resources on these pockets of pus that can form anywhere in the body.