Acute inflammation of the vermiform appendix.
Typically presents as acute abdominal pain starting in the mid-abdomen and later localising to the right lower quadrant.
Associated with fever, anorexia, nausea, vomiting, and elevation of the neutrophil count.
Diagnosis is usually made clinically. If investigation is required, CT scan or ultrasonography may show dilatation of the appendix outer diameter to more than 6 mm.
Definitive treatment is surgical appendectomy.
Professor of Gastrointestinal Surgery
National Institute for Health Research, Nottingham Digestive Diseases Biomedical Research Unit Nottingham University Hospitals and University of Nottingham, Queen's Medical Centre
DNL declares that he has no competing interests. DNL is the author of an article cited in the topic.
Professor Dileep N. Lobo would like to gratefully acknowledge Dr Nasim Ahmed, a previous contributor to this topic. NA declares that he has no competing interests.
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