Seborrhoeic dermatitis

Published on 02/04/2015 by admin

Filed under Internal Medicine

Last modified 02/04/2015

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195 Seborrhoeic dermatitis

Instruction

Comment on this patient’s skin.

Salient features

History

• History of itching

• History of Parkinson’s disease, strokes and HIV.

Examination

• Greasy scales overlying erythematous plaques or patches affecting the face (eyebrows, eyelids, glabella, nasolabial folds or ears; Fig. 195.1), submammary folds, gluteal clefts. Occasionally it is generalized.

• Severe dandruff on the scalp.

image

Fig. 195.1 Seborrhoeic dermatitis.

Proceed as follows:

• Tell the examiner that you would like to look for the underlying disorder (Parkinson’s disease, HIV and strokes).

Remember:

• The name is misleading and the condition is unrelated to seborrhoea (excess sebum production).

• Distinguishing severe seborrheic dermatitis from early facial psoriasis can be particularly difficult.

Diagnosis

This patient has seborrhoeic dermatitis (lesion) with Parkinson’s disease, and finds the lesion cosmetically unacceptable (functional status).

Advanced-level questions

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