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


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


Drilling holes in nails – getting to the root of the infection?
How can we improve cure rates when using topical antifungal nail treatments? Published work suggests nail fenestration may help.
Ivan Bristow
Dec 5, 20226 min read


Search box added to foot.expert
The Foot.Expert website is now over six years old and it continues to grow in size with videos, blogs and papers. I noticed a while back...
Ivan Bristow
Dec 4, 20221 min read


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


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


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


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

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


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


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


An unusual onychocryptosis
The authors present an unusual case of onychocryptosis.
Ivan Bristow & Stuart Metcalfe
Aug 3, 20222 min read


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


Clubbing of the nails
This blog explores the phenomenon of nail clubbing and its cause.
Ivan Bristow
Jul 5, 20225 min read


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


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


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


Dermatology Training Handbook
A review of the Dermatology Training manual.
Ivan Bristow
May 3, 20222 min read


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


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


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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