Dermalogues: The Dermatology Residents Podcast with Dr. Kerri Purdy

Hosted by Canadian Dermatology Association

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Apr 2026

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About the show

Are you a Dermatology resident looking for answers to your burning questions from some of the top experts in our field? Then Dermalogues is for you. Dr Kerri Purdy puts the questions residents often ask to subject area experts from across Canada. The conversation is fun, engaging and casual but packed with helpful tips and thoughtful guidance. And you don’t have to just listen, you can also be part of the program. Tag us on X/Twitter @CdnDermatology with your questions or with your ideas for upcoming episodes. This podcast is a production of the Canadian Dermatology Association. Produced by David McGuffin, ExploreProductions.ca Cover art by Dr Noelle Wong Theme music by Lee Rosevere

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44 recent

April 2, 202644 min

S7 Ep6: Pregnancy Dermatoses with Dr. Perla Lansang

Pregnancy brings major hormonal and immune changes—and the skin often reflects it. In this final episode of season 7 of Dermalogues, Kerri sits down with Dr. Perla Lansang to break down common and high-yield dermatologic conditions in pregnancy, from physiologic changes to PEP (PUPPP) and pemphigoid gestationis.They discuss how to recognize key patterns, when to biopsy, and how to treat safely—including the role of systemic therapies. The episode also emphasizes a critical takeaway: don’t undertreat pregnant patients—healthy moms are essential for healthy pregnancies.Dr. Perla Lansang is a staff dermatologist and Associate Professor at the University of Toronto, based at Sunnybrook Health Sciences Centre. She has held leadership roles including Division Director and Director of Undergraduate Education, and is cross-appointed in pediatric dermatology at the Hospital for Sick Children as well as Obstetric Medicine at Sunnybrook. Her clinical interests include pregnancy-related dermatoses and complex medical dermatology.In this episode:Normal vs pathologic skin changes in pregnancyAtopic eruption, acne, and psoriasis in pregnancyPEP vs pemphigoid gestationis: key differencesSafe treatment strategies and medication pitfalls Additional Reading:Development and multicenter international validation of a diagnostic tool to differentiate between pemphigoid gestationis and polymorphic eruption of pregnancy in the JAAD.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced David McGuffin of ExploreProductions.ca with Graham McGuffin.Our theme music is by Lee Rosevere

December 19, 202552 min

S7 Ep5: Practical Pediatric Dermatology Pearls with Dr. Jérôme Coulombe

In this episode of Dermalogues, Dr. Kerri Purdy is joined by pediatric dermatologist Dr. Jérôme Coulombe for a practical discussion on common and high-stakes pediatric dermatology presentations.They cover how to approach the febrile child with a rash, recognizing red flags for serious infection and Kawasaki disease, and navigating viral exanthems like urticaria multiforme, EBV, adenovirus, and measles. The conversation also dives into eczema management myths, molluscum contagiosum (including a clever otoscope curettage technique), and how to think through genital lesions in children.The episode wraps with a clear, experience-based review of infantile hemangiomas, including when to treat, propranolol dosing, duration, rebound, and the role of topical timolol. Packed with practical pearls for residents and practicing clinicians alike.Dr. Jérôme Coulombe is a dermatologist with fellowship training in pediatric dermatology. He is a Clinical Associate Professor in the Department of Pediatrics at the Université de Montréal Faculty of Medicine and practices at CHU Sainte-Justine in Montreal.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced David McGuffin of ExploreProductions.ca with production assistance by Graham McGuffin and Clare McGuffin.Our theme music is by Lee Rosevere

December 4, 202538 min

S7 Ep4: Clinical Trials with Dr. Melinda Gooderham

“Clinical trials don’t just advance medicine — they can transform your practice.”In this episode of Dermalogues, host Dr. Kerri Purdy sits down with Dr. Melinda Gooderham, Medical Director at the Skin Centre for Dermatology in Peterborough, Ontario. Together, they take a deep dive into the world of clinical research in dermatology.Dr. Gooderham shares her journey into clinical trials, how she balances a busy medical practice with research, and the many rewards — and realities — of integrating trials into clinical dermatology. They cover everything from the four phases of clinical research to practical tips on getting started, managing staff and space, and navigating ethics approvals and sponsor relationships.Whether you’re a dermatology resident curious about research or a practicing dermatologist considering trials in your own clinic, this episode offers insider insights, candid advice, and a clear look at how clinical research can enrich your practice and patient care.Dr. Melinda Gooderham is Medical Director at the Skin Centre for Dermatology in Peterborough, Ontario, a Consultant Physician at Peterborough Regional Health Centre, and Assistant Professor at Queen’s University. She is also Deputy Editor of JCMS Case Reports and one of Canada’s leading clinical trial investigators in dermatology.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced David McGuffin of ExploreProductions.ca with Graham McGuffin and Clare McGuffin.Our theme music is by Lee Rosevere

November 20, 202555 min

S7 Ep3: Mohs Surgery & Surgical Dermatology with Noelle Wong, Iren Kossintseva and Angela Burleigh

Today on Dermalogues: We get surgical.Host Dr. Kerri Purdy talks with Dr. Noelle Wong about integrating surgical techniques into dermatology—from biopsies to complex excisions and the path to Mohs fellowship training.Then Noelle brings in her colleagues Dr. Iren Kossintseva and Dr. Angela Burleigh to unpack the realities of Mohs Micrographic Surgery and the creation of their new all-female, high-volume Mohs clinic in Richmond, BC.You’ll hear:What “non-Mohs” surgical dermatology includesHow Mohs cases run from mapping to final closureManaging massive defects and complex reconstructionsThe behind-the-scenes of starting a new Mohs centerAdvice for residents interested in surgical pathsA must-listen for dermatology residents and anyone curious about the surgical side of the specialty.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced David McGuffin of ExploreProductions.ca with production assistance by Graham McGuffin and Clare McGuffin.Our theme music is by Lee Rosevere.

November 5, 202541 min

S7 Ep2: Derm Myth-Busting with Dr. Mark Kirchhof

On this latest episode of Dermalogues, host Dr. Kerri Purdy is joined again by Dr. Mark Kirchhof for some Derm Myth-Busting. Kerri has been hearing from Residents looking for answers about some Derm Myths that are popping up on social media and elsewhere. Together, Kerri and Mark tackle some of the most common — and most talked about — myths in dermatology, from “topical steroid withdrawal” and “natural sunscreens” to “slugging,” “collagen supplements,” “beef tallow skincare,” and even “perineal tanning.”Dr. Purdy and Dr. Kirchhof separate science from social media hype, giving residents practical, evidence-based ways to address the questions they’re hearing in clinic every day. They also take a look ahead at how AI could reshape dermatology practice in the near future.Dr. Kirchhof is the Division Head of Dermatology at the University of Ottawa and The Ottawa Hospital, and the current President of the Canadian Dermatology Association (CDA). His research focuses on immune-system signalling pathways in dermatology, and he previously served as Education Director at Queen’s University.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced David McGuffin of ExploreProductions.ca with Graham McGuffin and Clare McGuffin.Our theme music is by Lee Rosevere

October 22, 202536 min

S7 Ep1: Filler, Filters, and the Future: What’s New in Aesthetic Dermatology with Dr Julia Carroll

Season 7 of Dermalogues kicks off with a return visit by Dr. Julia Carroll, co-founder of Compass Dermatology in Toronto. In this episode, Julia and Kerri explore what’s new and next in aesthetic dermatology—and how to help patients look and feel their best without losing their natural features.Topics include:Why “filler” has become the new F-wordThe influence of social media on patient expectationsSafer injection techniques using ultrasound and cannulasMoving from anti-aging to pro-aging careInsights on threads, regenerative injectables, and red-light therapyAddressing “Ozempic face” and volume lossPearls for treating melasma and pigment changesThe role of AI in the future of dermatologyDr. Carroll is a board-certified dermatologist and Fellow of the Royal College of Physicians and Surgeons of Canada, specializing in both medical and cosmetic dermatology. At Compass Dermatology, Dr. Carroll focuses on evidence-based aesthetic treatments with a natural, confidence-building approach. She is recognized nationally as one of Canada’s top cosmetic injectors and is widely sought after for her expertise in neuromodulators, fillers, lasers, and regenerative techniques.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced David McGuffin of ExploreProductions.ca with Graham McGuffin and Clare McGuffin.Our theme music is by Lee Rosevere

December 18, 202449 min

S6 Ep6: Derm Detectives - Redemption Time

For our final episode of season 6, Kerri and Mark Kirchhof are putting their sleuthing hats back on for another action filled episode of Derm Detectives that they are calling "Redemption Time." As regular listeners know, Derm Detectives is a popular segment where we invite Residents to present our detectives with a challenging case, and see if they can stump them. Well, this season our detectives were stumped in their first two attempts, so for episode three they decided to mix things up by throwing a couple of difficult cases at each other, in search of redemption. Listen in and let us know if you think they pulled it off.Our guest sleuth, Mark Kirchhof, is division head of Dermatology in the Faculty of Medicine at the University of Ottawa and The Ottawa Hospital. And he is the president elect of the CDA.For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced by the CDA and David McGuffin of Explore Podcast ProductionsOur theme music is by Lee Rosevere.

December 11, 202445 min

S6 Ep5: Diverse Hair with Dr. Crystal Aguh

Kerri is thrilled to welcome Dr. Crystal Aguh, a true star in the world of dermatology and hair, to Dermalogues for a fascinating discussion about diverse hair, textured hair, hair loss and scarring and non-scarring alopecias. Dr. Aguh is an Associate Professor of Dermatology and Director of the Ethnic Skin Program at the Johns Hopkins School of Medicine. Her area of research focuses primarily on skin conditions that disproportionately impact minority populations, with particular emphasis on scarring hair loss and hair care practices.She is the co-author of the textbook "Fundamentals of Ethnic Hair: The Dermatologist's Perspective" and author of "90 Days to Beautiful Hair." She kindly joined us from Baltimore in the midst of preparing for American Thanksgiving. To learn more about the Hair Health Summit Dr. Aguh is organizing in 2025 in Chicago, visit hairhealthsummit.com For more on the work of the CDA, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber. Dermalogues is produced by the CDA and David McGuffin of Explore Podcast ProductionsOur theme music is by Lee Rosevere

December 4, 202435 min

S6 Ep4: Derm Detectives with Dr Tamryn Eglinton

After a tough case last episode, the Derm Detectives are back and ready for more action, trying to crack yet another challenging case brought to us by you, the dermatology residents. This week's case comes from Dalhousie University third year resident, Tamryn Eglinton. It starts, innocently enough, with a referral for a patient with dry skin.Let the sleuthing begin! Dr Mark Kirchhof is the Division Head of Dermatology in the Faculty of Medicine at the University of Ottawa and The Ottawa Hospital. And the president-elect of the CDA. If you are a resident with a challenging case you'd like to test on the Derm Detectives, drop us an email at education@dermatology.caFor more on the work of the CDA, please visit dermatology.caAnd for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber.Dermalogues is produced by David McGuffin of Explore Podcast Productions. Our theme music is by Lee Rosevere

November 27, 202443 min

S6 Ep3: Derm Detectives with Dr. Miranda Waugh

The Derm Detectives are back! Dr. Kerri Purdy and Dr. Mark Kirchhof are our sleuths as you, the Dermatology Residents, present them with challenging dermatology cases. And this episode's case may be the most challenging one yet. Will our Derm Detectives solve it or get stumped? We're really happy to have Dr. Miranda Waugh presenting her challenging case to us today. Miranda is a fourth year dermatology resident at the University of Ottawa. And she is the CDA Residents and Fellows Society Representative for 2024-25. Dr. Waugh is also the co-founder of Sty-Lives, a national skin cancer education initiative for hairstylists with Save Your Skin Foundation.Let the sleuthing begin! Dr Mark Kirchhof is the Division Head of Dermatology in the Faculty of Medicine at the University of Ottawa and The Ottawa Hospital. And the president-elect of the CDA. If you are a resident with a challenging case you'd like to test on the Derm Detectives, drop us an email at education@dermatology.caFor more on the work of the CDA, please visit dermatology.caAnd for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber.Dermalogues is produced by the CDA and David McGuffin of Explore Podcast Productions. Our theme music is by Lee Rosevere

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