Dermalogues: The Dermatology Residents Podcast with Dr. Kerri Purdy

Epizode

• S7 Ep6: Pregnancy Dermatoses with Dr. Perla Lansang 02.04.2026 44min

  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
• S7 Ep5: Practical Pediatric Dermatology Pearls with Dr. Jérôme Coulombe 19.12.2025 52min

  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.
• S7 Ep4: Clinical Trials with Dr. Melinda Gooderham 03.12.2025 38min

  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.
• S7 Ep3: Mohs Surgery & Surgical Dermatology with Noelle Wong, Iren Kossintseva and Angela Burleigh 20.11.2025 55min

  A must-listen for dermatology residents and anyone curious about the surgical side of the specialty.
• S7 Ep2: Derm Myth-Busting with Dr. Mark Kirchhof 05.11.2025 41min

  Dr. Mark 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.
• S7 Ep1: Filler, Filters, and the Future: What’s New in Aesthetic Dermatology with Dr Julia Carroll 22.10.2025 36min

  Dr. Julia Carroll is co-founder of Compass Dermatology in Toronto. She is a board-certified dermatologist and Fellow of the Royal College of Physicians and Surgeons of Canada, specializing in both medical and cosmetic 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.
• S6 Ep6: Derm Detectives - Redemption Time 18.12.2024 49min

  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 of the CDA.
• S6 Ep5: Diverse Hair with Dr. Crystal Aguh 11.12.2024 45min

  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.
• S6 Ep4: Derm Detectives with Dr Tamryn Eglinton 04.12.2024 35min

  Dr. Tamryn Eglinton is a third year dermatology resident at Dalhousie University. She is originally from Saskatoon, Saskatchewan.
• S6 Ep3: Derm Detectives with Dr. Miranda Waugh 27.11.2024 43min

  Dr. Miranda Waugh 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.
• S6 Ep2: Dermatology and Working With Gender Transitioning Patients with Dr. Markus Boos 13.11.2024 52min

  Dr Boos is an attending pediatric dermatologist at Seattle Children's Hospital and is an Associate Professor in the Department of Pediatrics at the University of Washington School of Medicine. He is also the Program Director of the Dermatology Residency Program. Dr. Boos is an advocate for health equity with a special interest in LGBTQ health, primary immunodeficiencies and the intersection of climate change and dermatology.
• S6 Ep1: Diagnosing and Treating Itch with Dr Brian Kim 30.10.2024 49min

  Dr. Brian Kim is one of the top researchers worldwide in the study of patients with itch and other skin conditions. He is Vice Chair of Research in the Department of Dermatology at the Icahn School of Medicine at Mount Sinai Hospital in New York City. He is also the Director of the Mark Lebwohl Center for Neuroinflammation and Sensation.
• S5 Ep6: Derm Detectives with Dr Janis Chang and Dr Mina Boshra 31.01.2024 53min

  The CDA's version of a true crime podcast! Join Kerri and Mark as they try to solve complex dermatology cases.
• S5 Ep 5: Toxic Epidermal Necrolysis/Steven Johnson Syndrome, a Severe Drug Eruption with Dr Neil Shear 18.01.2024 50min

  Complicated Medical Dermatology
• S5 Ep4: Neutrophilic Dermatoses with Dr Alexandra Mereniuk 16.11.2023 53min

  Kerri's preferred name for this episode is Neutrophilic Stuff, because it covers such a wide range of things from Sweet syndrome to pyoderma gangrenosum, erythema nodosum, leukocytoclastic vasculitis, neutrophilic urticaria and more! As part of our Season 5 deep dive into complicated medical dermatology, Kerri is joined for this pearl filled episode by Dr Alexandra Mereniuk.Dr. Mereniuk is an Associate Professor of Dermatology at the University of Montreal. She is co-founder and co-director of the combined Dermatology - Internal Medicine Clinic at Sacré-Coeur Hospital, a specialized referral center for patients with complex systemic cutaneous disease including rheumatologic and autoimmune blistering diseases. 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 Productions.Our theme music is by Lee Rosevere
• S5 Ep 3: Derm Detectives with Dr Mark Kirchhof, Dr Sam Armstrong and Dr Mike MacGillivary 01.11.2023 46min

  We're trying something fun and new on Dermalogues this episode. It's our very first segment of "Derm Detectives." Think of it as the CDA's version of a true crime podcast. In it, dermatology residents present our two Derm Detectives, Dr Kerri Purdy and Dr Mark Kirchhof, with complex cases they've worked on. Will the Derm Detectives solve the case? Our residents in this episode are Dr Sam Armstrong and Dr Mike MacGillivary, both at Dalhousie University in Halifax.Dr Mark Kirchhof is the Division Head of Dermatology in the Faculty of Medicine at the University of Ottawa and The Ottawa Hospital.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.ca 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 Productions.  Our theme music is by Lee Rosevere
• S5 Ep2: Immunobullous with Dr Regine Mydlarski 19.10.2023 41min

  The University of Calgary's Dr Regine Mydlarski is Kerri's guest for this fascinating, pearl filled conversation about immunobullous as we continue our season long deep dive into complex cases and conditions with leading dermatologists. This conversation is the second of three conversations recorded in person as part of the CDA annual conference in Toronto in June this year.Dr Mydlarski is an Associate Professor and Section Chief of Dermatology at the Cumming School of Medicine at the University of Calgary. She is also Chair of the Specialty Committee in Dermatology for the Royal College of Physicians and Surgeons of Canada.And to all you Residents listening out there, we're starting a new segment this season called Derm Detectives (drops November 2!), where Residents present Kerri Purdy and UOttawa's Dr Mark Kirchhof with a complex case they've been involved with, and see if they can stump the experts. If you are a Resident with a challenging case you'd like to try out on the Derm Detectives, drop us an email at education@dermatology.ca 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 Productions.Our theme music is by Lee Rosevere
• S5 Ep1: Cutaneous Toxicities with Dr Maxwell Sauder 04.10.2023 44min

  Welcome to Dermalogues Season 5! This season Kerri is taking a deep dive into complex medical dermatology, talking to leading dermatologists about how they diagnose and treat complex cases and conditions. And Kerri's first guest is Onco-Dermatologist Dr Maxwell Sauder discussing Cutaneous Toxicities, for a smart, fun and thoughtful conversation, filled with clinical pearls for all our Residents listening. This episode was recorded in person at the CDA Conference in Toronto,Dr Maxwell Sauder is an assistant professor and the onco-dermatology fellowship director at the University of Toronto. He is also an onco-dermatologist at Princess Margaret Cancer Centre. And practices at the Toronto Dermatology Centre where he is the research director and director of the pigmented lesion clinic.And to our Residents out there, we're starting a new segment this season called Derm Detectives, where Residents present Kerri and Dr Mark Kirchhof with a complex case they've been involved with, and see if they can stump the experts. 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.ca 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 Productions.Our theme music is by Lee Rosevere
• S4 Ep6: Cross-Specialty Conversation - Plastic Surgery with Dr Simon Frank 22.03.2023 40min

  Dr. Simon Frank is Kerri's guest for this final episode of season 4, completing our series of cross specialty conversations with a fascinating discussion about plastic surgery. Together Kerri and Simon get into some of the many areas of specialty overlap between derm and plastics. This includes skin cancers, HS, and aesthetics.  Dr. Frank is an Assistant Professor and Program Director of Plastic Surgery at the University of Ottawa. In practice his focus is on breast reconstruction, microvascular reconstruction, aesthetic surgery and general plastic surgery.   Our Residents' Questions this week come from Dr Janice Chang at the University of Ottawa and Christina Huang from the University of Toronto. Thank you both!And a very big thank you also to Dr Saima Ali and Dr Anastasya Muntyanu for helping to bring in Residents' questions from across Canada this season. To learn more about the work of the Canadian Dermatology Association, please visit dermatology.ca  And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber, available wherever you listen to podcasts.  Dermalogues is produced by the CDA and David McGuffin of Explore Podcast Productions. Our theme music is by Lee Rosevere.
• S4 Ep5: Cross-Specialty Conversation - Infectious Diseases with Dr Sumon Chakrabarti 21.02.2023 47min

  Dr. Sumon Chakrabarti is Kerri's guest for this fascinating deep dive into questions about the cross-over worlds of Derm and Infectious Diseases. Together they discuss skin infections, infectious diseases as they relate to some of the newer medications and then some pandemic and epidemic topics like Monkeypox. It's a great conversation with lots of amazing pearls, and for his part, Dr Chakrabarti says he's thrilled to be discussing something other than COVID for the first time in a few years! Dr. Sumon Chakrabarti is a lecturer of Infectious Diseases at the University of Toronto. His clinical practice at Trillium Health Partners incorporates post-travel and tropical medicine. He also serves in a leadership capacity as division head of Infectious Diseases. Our Residents' Questions this week come from Dr Kaylin Bechard of the University of Alberta and Dr. Patrice Lagacé from McGill University. Thank you both!To learn more about the work of the Canadian Dermatology Association, please visit dermatology.ca And for more great CDA Podcasts, check out JCMS Author Interviews, hosted by Dr Kirk Barber, available wherever you listen to podcasts.  Dermalogues is produced by the CDA and David McGuffin of Explore Podcast Productions. Our theme music is by Lee Rosevere.