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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.


Melanoma Rates in the UK - an update
Melanoma incidence and mortality rates have been examined for a 19 year period showing some interesting trends

Ivan Bristow
Nov 33 min read
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Can the HPV vaccine treat verrucae and warts (2025 Update)?
Can the HPV vaccine really treat warts and verrucae? This blog investigates.

Ivan Bristow
Oct 64 min read
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Melanonychia: visually differentiating the good from bad
What is Melanonychia? Melanonychia, a term derived from the Greek "Melas" (meaning black or brown) and "Onyx" (meaning nail), describes...

Ivan Bristow
Jul 314 min read
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Acral lentiginous melanoma - improving detection on the foot
How can we improve detection of acral lentiginous melanoma on the foot? This blog looks at the evidence and suggests practical methods that can be implemented in clinic.

Ivan Bristow
Jun 210 min read
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Doughnut wart - an unwanted complication
Doughnut wart is a complication of wart treatment and this article discusses the phenomenon seldom seen or reported.
Ivan Bristow & Dean Cronkwright
Apr 34 min read
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May is melanoma awareness month!
May is melanoma month. In this blog are links to my published papers on melanoma and the foot.

Ivan Bristow
May 13, 20243 min read
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Non-visibility of a melanoma to patients leads to later detection
Spotting a melanoma earlier can lead to an improved outcome however, lesions which aren't so visible may take longer to be diagnosed.

Ivan Bristow
Jan 25, 20243 min read
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Amelanotic melanoma on the sole of the foot
A case of amelanotic melanoma occurring on the foot.
Matthew Bland
Nov 28, 20233 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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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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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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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 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 mystery of moles
This article discusses how mole numbers on the skin vary with age.

Ivan Bristow
Nov 1, 20213 min read
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Can dermoscopy training improve a podiatrist's lesion recognition skills?
I have written a few blogs over the last few years on the topic of dermoscopy and dermatoscopes, highlighting how the technique can...

Ivan Bristow
Aug 17, 20214 min read
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Benign or Malignant? Look for clues.
Simple tips to help discern if a lesion might be benign or malignant.

Ivan Bristow
May 17, 20214 min read
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Merkel Cell Carcinoma - rare but rising
Merkel Cell Carcinoma is a rare but increasingly common, malignant skin tumour. This blog looks at its presentation and treatment.

Ivan Bristow
Mar 9, 20213 min read
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A case of Kaposi Sarcoma
Abstract Kaposi sarcoma (KS) is a rare, low-grade malignant tumour induced by the herpesvirus 8 (HHV-8). The condition primarily affects...
David Oliver & Ivan Bristow
Feb 3, 20216 min read
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