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I welcome interesting clinical cases you think might fit here, or any suggestions for subjects you would like to hear more about.


A foreign body in the foot - an unexpected journey
Foreign bodies in the foot are common. This one, made an unexpected journey from the plantar surface to the dorsum in 6 months!

Ivan Bristow
Aug 6, 20243 min read
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Topical statins - a drug to treat dermatophyte skin infections?
Topical statins have the potential to treat athletes foot infections.

Ivan Bristow
Apr 30, 20243 min read
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Plantar Pustulosis - known associations
Introduction Palmo-plantar Pustulosis (PPP) is a chronic, relapsing dermatosis characterised by localised areas of inflamed skin which...

Ivan Bristow
Mar 5, 20244 min read
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Does terbinafine cause liver damage?
Oral terbinafine continues to be the oral drug of choice in the management of onychomycosis, but there continues to be doubt over its...

Ivan Bristow
Oct 3, 20233 min read
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Why does skin peeling occur on the feet?
Why does the skin on the soles peel? This article examines the common and rare causes

Ivan Bristow
Sep 7, 20235 min read
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Melanoma in situ - not well understood
Melanoma in situ is a skin cancer which has not become invasive. What does it mean?

Ivan Bristow
Aug 9, 20233 min read
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Syphilis on the rise again – look at the feet!
Syphilis in its secondary stage frequently presents on the plantar surface of the feet.

Ivan Bristow
Jul 6, 20233 min read
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Koebner Phenomenon
What is the Koebner phenomenon?

Ivan Bristow
Jul 6, 20233 min read
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Preventing Dermatophyte Reinfection
In this blog, I look at evidence regarding strategies to prevent dermatophyte reinfection of the feet and toenails.

Ivan Bristow
Jun 13, 20237 min read
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Drug reactions and the skin
The skin is the most common organ involved in reactions to ingested drugs. Fixed drug eruptions are a common manifestation of the problem.

Ivan Bristow
Dec 5, 20223 min read
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Is susceptibility to tinea genetic?
With increasing DNA analysis technology, can we unravel the mystery of tinea? Is susceptibility genetic? This blog looks at recent work.

Ivan Bristow
Nov 8, 20224 min read
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What’s your patient hiding from you?
Tinea incognito a term for an unrecognised fungal skin infection occurring after topical steroid use.

Ivan Bristow
Oct 10, 20223 min read
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How thick is the epidermis?
How thick is the human epidermis. This recent paper pools results to try and answer the question.

Ivan Bristow
Aug 3, 20222 min read
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When should you suspect immunodeficiency in a patient with warts?
Warts and verrucae are a common clinical problem. For patients with persistent lesions at what point do we consider them recalcitrant?...

Ivan Bristow
May 3, 20224 min read
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A red macule on the sole
Case Outline A 54-year-old woman recently presented in clinic with a flat red lesion measuring 20 mm by 15 mm (maximum) on the plantar...

Ivan Bristow
Mar 3, 20223 min read
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The DLQI - an essential dermatology app
When a patient has a skin problem, one could make a judgment about the severity by assessing the amount of skin involved, but does that...

Ivan Bristow
Nov 1, 20214 min read
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Using Local Anaesthetic? Take your time...
In modern podiatric practice, the use of local anaesthetic is routine. For the patient, it can potentially be a painful experience. To...

Ivan Bristow
Sep 15, 20212 min read
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Sun, skin and COVID-19 mortality
Sunlight may reduce deaths from COVID-19 infection. This may sound like misinformation, but a recent paper in the British Journal of...

Ivan Bristow
Sep 15, 20213 min read
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