Quotation from: Manual of SurgeryWritten by: Alexander Miles and Alexis Thomson |
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_Pain_ is a symptom seldom absent in inflammation. _Tenderness_--that is, pain elicited on pressure--is one of the most valuable diagnostic signs we possess, and is often present before pain is experienced by the patient. That the area of tenderness corresponds to the area of inflammation is almost an axiom of surgery. Pain and tenderness are due to the irritation of nerve filaments of the part, rendered all the more sensitive by the abnormal conditions of their blood supply. In inflammatory conditions of internal organs, for example the abdominal viscera, the pain is frequently referred to other parts, usually to an area supplied by branches from the same segment of the cord as that supplying the inflamed part.
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