Category Archives: Dermatology

A couple of tips on skin cancers

From last week’s BMJ, this article on non-melanotic skin cancers. Again, mostly visual, but here are a couple of things I want to remember: Deciding whether a lesion is an AK or SCC? Look for: Induration Ulceration Tenderness Rapid enlargement … Continue reading

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5-Fluorouracil

This week’s BMJ has an article about Bowen’s disease and its differential diagnosis. As you might expect, revision from this one was mostly visual, reminding my occipital cortex of what the different images look like; it doesn’t translate well into … Continue reading

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Localised hypopigmentation

Causes Vitiligo Pityriasis alba Pityriasis versicolor Depigmented seborrhoeic keratosis Idiopathic guttate hypomelanosis Sarcoidosis (rare but important) Mycosis fungoides (rare but important)   Vitiligo Most often, but not invariably, on peripheral sites Repigmentation occurs in a perifollicular pattern Local areas can … Continue reading

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Vulval itch

Another one from the same old BMJ. Questions to ask: The usual; duration, affect on life (ask about sex life), exacerbating/relieving factors Vaginal discharge (?thrush) Anything used in that area for toiletries, treatment, fragrances, also condoms/spermicides/lubricants STI risk Other skin … Continue reading

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Diagnosing lower limb cellulitis

I’m clearly not alone in having difficulty with this; not only is there limited evidence on how to differentiate causes of red legs, but there isn’t actually a gold-standard way of diagnosing cellulitis accurately, so even the evidence we have … Continue reading

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Random assorted skin problems

As stated before; I’m currently working my way through a stack of very old articles prior to throwing them out. Many of them are about dermatological topics, so here are the collected points gleaned from those. Pityriasis versicolor Caused by … Continue reading

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Dermatology snippets

A few bits and pieces from MIMS Learning, dermatology, 2019; 15(2): Hidradenitis suppurativa This is a disease of follicular occlusion with chronic inflammatory response (both cutaneous and systemic). It’s strongly associated with smoking and obesity, but not exclusively so. It’s … Continue reading

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