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In page Giovanni Filippo Ingrassia:

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His work De tumoribus praeter naturam (1553) contains what is probably the first description of scarlet fever: he reported on a disease of children different from measles that caused a red rash all over the body, however he didn't mention the common symptom of a sore throat.[2] The book also contains a detailed study of the penis and the mechanism of its erection. In addition, it contains a description of 163 different types of tumors.[1]