At Westville Hospital, dermatological diagnostic costs were reduced by the purchase of a new imaging machine that diagnoses skin cancer in such cases as reliably as the tissue tests do.
Because visual inspection cannot reliably distinguish certain skin discolorations from skin cancers, dermatologists at clinics have needed to perform tests of skin tissue taken from patients.
由于肉眼检查不能识别某些皮肤变色和皮肤癌，诊所的皮肤科医生需要对病人的皮肤组织进行测试。
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Skin prick tests are the only way to safely monitor glucose levels and will let patients know if they need an insulin injection.