Clinical dermatology can be divided into two broad categories: (a) skin rashes and (b) tumours/ tumour-like lesions.
Skin rashes: skin rashes present with a wide range of clinical appearances and include blistering disorders, skin manifestations of systemic disease, congenital and genetic syndromes. The dermatologist usually makes a diagnosis based on the history and clinical appearance including the distribution of the rash. Pathologists dealing with specimens from these lesions need to have good clinico-pathological correlation and a knowledge of clinical dermatology to ensure that the appropriate and best diagnosis is arrived at for the patient.
Tumours/tumour-like lesions: the second category of dermatology involves removal of a vast array of "lumps and bumps" by the clinician. These can range from benign cysts and tumours through to malignant skin tumours. Once again, the clinical background appearance, site and distribution of the lesion may aid in the diagnosis.
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