Scope
The Bottom Line
- Perform full lesion assessment using change, asymmetry, border, colour, diameter, symptoms and the ugly-duckling sign alongside personal risk.
- Use dermoscopy when trained and document site, dimensions and image with consent, but do not let photography delay biopsy of a suspicious lesion.
- Nodular melanoma may lack the classic ABCD pattern and is suggested by elevation, firmness and progressive growth.
- Suspected melanoma should undergo complete excision biopsy with appropriate narrow clinical margin by a capable clinician or urgent specialist referral.
Practical clinical workflow
Topic-specific assessment action
Topic-specific diagnostic action
Topic-specific management action
Topic-specific follow-through
Safety boundaries and escalation
- Rapid growth, bleeding, ulceration, nodal disease, neurological symptoms or a lesion threatening eye, ear or major function requires expedited care.
- Avoid shave biopsy when it prevents accurate Breslow depth in a lesion suspicious for invasive melanoma.
Implementation
Clinical use boundary
This independently written summary is not an official guideline. Check the linked source version, current TGA-approved product information where medicines are involved, and the applicable state, territory and local pathway at the point of care.
Source documents
Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.
- Cancer Council AustraliaClinical practice guidelines for the diagnosis and management of melanomaLiving web guideline; current version checked 2026-08-20 路 accessed 2026-08-20view source
- Cancer Council AustraliaClinical practice guidelines for keratinocyte cancer2019 NHMRC-approved guideline; current web status checked 2026-08-20 路 accessed 2026-08-20view source
From guidance to deliberate practice and evidence
Choose what happens next. iatroX can carry this page's jurisdiction, source-check date and released version into an editable learning record, support your reflection, or let you browse the regional question bank while keeping this topic visible. No action records completion, starts a session or awards CPD/CME credit automatically.