Derm Vivas ·
Melanocytic pathology (naevus vs melanoma) — Viva
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Q1: Biopsy and staging (2 min)
Why is full-thickness excisional biopsy preferred for suspected melanoma? How is Breslow thickness measured?
Q2: Architecture (3 min)
Walk through scanning-power and high-power criteria that separate compound naevus from melanoma. Which single features are traps if used alone?
Q3: Grey-zone lesions (3 min)
How do you approach dysplastic naevi of differing grades and positive margins? How does the Spitz spectrum change between a child and a 50-year-old adult?
Q4: Ancillary tests (2 min)
Role of Melan-A, HMB-45, Ki-67 and PRAME. What must you never do with a single IHC result?
Q5: Reporting systems (2 min)
What problem does MPATH-Dx solve? How does the melanoma pathology report feed WLE and SLNB discussions?