In 1887 C. L. Dana, in America, and in 1888 James Ross, in England, published papers that were suggestive of a method of diagnosis which six years later Henry Head made particularly valuable as an aid to the localization of visceral disease. Head with others had noticed that cutaneous tenderness accompanying certain diseases of the stomach was often confined to definite areas of the skin. He then undertook the study of involved areas in a number of cases of herpes zoster, hoping to throw light on the localization of skin tenderness in visceral disease. The postmortem studies of these cases were carried on at times under great difficulty, but when finally the correlation of his work was accomplished he found that the areas involved in zoster corresponded to those of skin tenderness in visceral disease, and that these areas represented the nerve distribution of spinal
WHITE WC, VAN NORMAN KH. HYPERALGESIA OF THE SKIN OVERLYING ACTIVE LESIONS IN PULMONARY TUBERCULOSIS. Arch Intern Med (Chic). 1909;IV(1):1–7. doi:10.1001/archinte.1909.00050170006001
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