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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.


Skin metastases from internal tumours
Cutaneous metastases are the secondary spread of cancers, but how often do internal cancers spread to the skin?

Ivan Bristow
Nov 8, 20223 min read
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How useful is zinc in wart treatment?
This blog documents a recent systematic review of zinc in the treatment of warts.

Ivan Bristow
Oct 10, 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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Vasculitis and skin ulcers
A paper has been published looking at the vasculitic causes of lower limb ulcers.

Ivan Bristow
Aug 30, 20221 min read
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Assessing Progress in Onychomycosis
The OSI is a simple clinical tool to quantify and measure the extent of nail involvement in onychomycosis. This video explains how it works.

Ivan Bristow
Aug 30, 20222 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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An unusual onychocryptosis
The authors present an unusual case of onychocryptosis.
Ivan Bristow & Stuart Metcalfe
Aug 3, 20222 min read
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Book: Diagnostic Dermoscopy 2E – A great update
A review of the second edition Dr. Jonathan Bowling's award winning book "Diagnostic Dermoscopy".

Ivan Bristow
Jul 26, 20223 min read
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Clubbing of the nails
This blog explores the phenomenon of nail clubbing and its cause.

Ivan Bristow
Jul 5, 20225 min read
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How much should I use?
So often patients ask how much cream should I apply to my feet? The Fingertip unit is a way of conveying this information simply.

Ivan Bristow
Jul 5, 20222 min read
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Onychomycosis in children
Onychomycosis in children is an unusual finding. This blog looks at what we know about it.

Ivan Bristow
Jun 1, 20225 min read
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Pseudomonal Chloronychia - Green nails
Green nails are a sign of Pseudomonas infection. This article looks at its presentation and management.

Ivan Bristow
Jun 1, 20223 min read
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Dermatology Training Handbook
A review of the Dermatology Training manual.

Ivan Bristow
May 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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Its audit time again....
April is here and May will soon be on us. May sees the biennial renewal of HCPC registration for podiatrists & chiropodists. It’s during...

Ivan Bristow
Apr 19, 20221 min read
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Scratching the surface of dermatology - PCDS spring meeting
Many thanks to podiatrist Usamah Khalid for providing this blog - a podiatrist's review of the recent Primary Care Dermatology Society's...
Usamah Khalid & Ivan Bristow
Apr 19, 20225 min read
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What are the common pedal skin tumours?
This blog reviews a recent paper reporting the profile of 802 excised tumours from the foot.

Ivan Bristow
Mar 25, 20224 min read
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Swift Microwave : six years on
It has been six years since the Swift microwave unit was launched in the United Kingdom, marketed to podiatrists in the treatment of...

Ivan Bristow
Mar 25, 20224 min read
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A New Dermatology Textbook
The subject of dermatology is vast. It is often said there are over 2000 known skin disorders, consequently there is a lot to learn if...

Ivan Bristow
Mar 3, 20222 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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