By Gary M. White, MD

This page contains links to diseases that may present as a solitary, slowly growing, red, scaly spot. Note that these conditions rarely occur in children.

Acute Onset

Nummular Eczema. Although usually multiple, eczema may present as a solitary lesion. Note the redness and scale uniformly throughout the lesion compared with tinea below.
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Tinea Corporis. Note the active edge.
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Impetigo. Occasionally, a single lesion of impetigo can look similar, but usually there is honey-colored crust and erosions.


Bowen's Disease
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Actinic Keratosis
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Superficial Basal Cell Carcinoma
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Squamous Cell Carcinoma
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Amelanotic Lentigo Maligna and Melanoma

Cutaneous T-Cell Lymphoma
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It is not the intention of to provide specific medical advice, diagnosis or treatment. only intends to provide users with information regarding various medical conditions for educational purposes and will not provide specific medical advice. Information on is not intended as a substitute for seeking medical treatment and you should always seek the advice of a qualified healthcare provider for diagnosis and for answers to your individual questions. Information contained on should never cause you to disregard professional medical advice or delay seeking treatment. If you live in the United States and believe you are having a medical emergency call 911 immediately.