Derm: Port wine stains: Free MSRA Podcast

⚕️ FREE MSRA PODCAST – Port Wine Stains🎧 A clear, high-yield breakdown of this congenital vascular skin lesion – perfect for MSRA exam prep and real-world dermatology recognition.🧠 Key Learning Points📌 Definition• Port wine stains (PWS), or capillary malformations, are congenital vascular birthmarks present at birth.• They appear as flat pink to purple patches, caused by dilated capillaries in the dermis.• Unlike other birthmarks, they do not fade and persist lifelong.📌 Causes & Risk Factors• Result from a developmental vascular abnormality during embryogenesis• Often sporadic, but may occasionally follow autosomal dominant inheritance• No preventable risk factors identified🧠 Key Association: Linked with genetic syndromes based on location📌 Pathophysiology• Dilated dermal capillaries and venules• Increased blood flow near the skin surface → persistent red/purple colour• Possibly due to reduced vascular tone or defective innervation• May involve factors like VEGF and depth-based subtypes📌 Symptoms• Flat, pink lesions at birth, most commonly on the head and neck• Darken with age → purple, raised, cobblestone-like in adulthood• May develop pyogenic granulomas• Usually unilateral, but can be bilateral📌 Differential Diagnosis• Infantile haemangiomas – grow and involute (unlike PWS)• Café-au-lait spots – brown, not red• Venous malformations – compressible• Stork bites, spitz naevus, seborrhoeic keratosis📌 Diagnosis• Largely clinical based on appearance and history• 📍 If PWS involves eyelids or forehead → screen for Sturge-Weber syndrome• 🧠 MRI brain if concern for intracranial involvement• 👁️ Ophthalmology referral for glaucoma screening in eyelid involvement• No need for routine imaging in isolated cases📌 Management• 🎯 Pulsed dye laser (PDL) – gold standard for fading lesions• Best outcomes with early treatment in infancy• May require multiple sessions with/without anaesthesia• Other options: cosmetic camouflage, tattooing, surgical excision (rare)• Treat associated complications (e.g. seizures, glaucoma)📌 Complications• May become thickened or nodular with age• Psychosocial distress, especially with facial lesions• If associated with syndromes → risk of:Sturge-Weber syndrome (seizures, hemiplegia, learning difficulties)GlaucomaKlippel-Trenaunay, Parkes-Weber, Cobb syndrome, Wyburn-Mason📌 Prognosis• Benign in isolation• Lifelong persistence, but no malignant transformation• Prognosis depends on presence of associated syndromes• Laser therapy may lighten but rarely removes it entirely📎 More MSRA Resources for Port Wine Stains📝 Revision Notes:https://www.passthemsra.com/topic/port-wine-stains-revision-notes/🧠 Flashcards:https://www.passthemsra.com/topic/port-wine-stains-flashcards/💬 Accordion Q&A Notes:https://www.passthemsra.com/topic/port-wine-stains-accordion-qa-notes/🚀 Rapid Quiz:https://www.passthemsra.com/topic/port-wine-stains-rapid-quiz/🎯 Topic Quiz:https://www.passthemsra.com/quizzes/port-wine-stains/🎓 Full Course:https://www.passthemsra.com/courses/dermatology-for-the-msra/📣 Course MentionThis episode is part of the Dermatology for the MSRA course on PassTheMSRA.com – your go-to hub for structured, exam-aligned revision.👉 Explore revision notes, flashcards, quizzes and more:https://www.passthemsra.com#MSRA #PortWineStains #MSRADermatology #SturgeWeberSyndrome #MSRARevision #MSRATextbook #MSRAQuiz #MSRAFlashcards #MSRAQandA #MSRAPodcast #MSRAResources #MultiSpecialtyRecruitmentAssessment #DermatologyForTheMSRA