Derm: Erythema ab igne: Free MSRA Podcast

⚕️ FREE MSRA PODCAST – Erythema ab igne🎧 A clear, high-yield breakdown of this reticular skin condition caused by heat exposure – perfect for exam prep and real-life clinical spotting.🧠 Key Learning Points📌 DefinitionErythema ab igne is a chronic skin condition caused by prolonged, low-grade heat exposure, leading to a net-like (reticulated) red-brown pigmentation of the skin.📌 Causes & Risk Factors• Chronic use of hot water bottles, laptops, heating pads, or open fires• Occupations with regular heat exposure• Chronic pain sufferers using heat for relief• Clothing patterns may influence lesion distribution• Certain medications may increase susceptibility🧠 Mnemonic: “HEAT”Hot objects (laptop, bottle)Enduring exposureAuto-treatment (e.g. chronic pain)Thermal source history📌 Pathophysiology• Chronic infrared heat causes capillary dilation (erythema)• Increased melanin → hyperpigmentation• Pattern may mirror heat source exposure (e.g. laptop grid)📌 Symptoms• Reticulated erythema with brownish hyperpigmentation• Usually affects thighs, lower back, abdomen• May be asymptomatic, or cause itching/burning🧠 Look out for: Discrete net-like pattern matching heat source📌 Differential Diagnosis• Livedo reticularis – vascular, often cold-related• Cutaneous lupus erythematosus• Contact/irritant dermatitis• Fixed drug eruption• Poikiloderma📌 Diagnosis• Clinical diagnosis based on appearance and heat history• Skin biopsy only if unclear or concern about malignancy📌 Management• Immediate cessation of heat exposure – most important step• Emollients to soothe the skin• Topical corticosteroids if inflammation or itch present• Educate on preventing recurrence• Follow-up for persistent cases or cosmetic concern📌 Complications• Permanent hyperpigmentation if untreated• Skin atrophy, telangiectasia• Rare: Squamous cell carcinoma in chronic, untreated cases📌 Prognosis• Good prognosis with early recognition and heat avoidance• Pigmentation may fade over time, but can become permanent with continued exposure• Monitor for malignant transformation in longstanding cases📎 More MSRA Resources for Erythema ab igne📝 Revision Notes:https://www.passthemsra.com/topic/erythema-ab-igne-revision-notes/🧠 Flashcards:https://www.passthemsra.com/topic/erythema-ab-igne-flashcards/💬 Accordion Q&A Notes:https://www.passthemsra.com/topic/erythema-ab-igne-accordion-qa-notes/🚀 Rapid Quiz:https://www.passthemsra.com/topic/erythema-ab-igne-rapid-quiz/🧪 Topic Quiz:https://www.passthemsra.com/quizzes/erythema-ab-igne/🎓 Full Dermatology Course:https://www.passthemsra.com/courses/dermatology-for-the-msra/📣 Explore more free and premium revision tools athttps://www.passthemsra.comHashtags#MSRA #MSRARevision #MSRATextbook #MSRAQuiz #MSRAQuestionBank #MSRAFlashcards #MSRAQandANotes #MSRAAccordions #ErythemaAbIgne #Dermatology #HeatRash #PassTheMSRA #MultiSpecialtyRecruitmentAssessment