By Dr Maxton Bergin
It is reasonable to seek a second opinion on a skin cancer diagnosis when there is genuine uncertainty, when the recommended decision could have significant consequences, or when you do not fully understand or feel comfortable with the proposed plan.
A second opinion does not mean that your first doctor has made a mistake. Skin lesions can be difficult to classify, and different clinicians may bring different experience, imaging tools or pathology expertise to the same question. A second review can sometimes clarify whether a lesion needs monitoring, biopsy, further assessment or treatment.
However, a second opinion should not create an unsafe delay. If melanoma or another serious skin cancer is strongly suspected, if a lesion is changing rapidly, bleeding or ulcerated, or if your clinician has recommended urgent biopsy or treatment, it is important to seek the additional opinion promptly and follow advice about safe timing.¹˒⁴
What does “second opinion” mean in skin cancer care?
A second opinion can mean different things. The right type depends on what is uncertain.
A second clinical opinion
Another experienced doctor examines the lesion, reviews your medical history and considers your risk factors. They may agree with the first assessment, offer a different interpretation or recommend another test.
This can be useful if a lesion has changed, if the diagnosis remains unclear, or if you have received differing advice about monitoring and biopsy.
A second dermoscopic opinion
Dermoscopy uses specialised magnification and polarised light to reveal skin patterns that cannot be seen with the naked eye.⁵˒⁶ If high-quality digital dermoscopic images are available, another clinician may review them alongside the lesion’s history and clinical photographs.
A second dermoscopic opinion may be particularly helpful for a mole that is unusual but not clearly benign or clearly suspicious.
Additional non-invasive imaging
For selected equivocal lesions, reflectance confocal microscopy, or RCM, may provide further diagnostic information without cutting the skin. RCM is sometimes called an optical biopsy because it produces highly magnified images of structures within living skin.¹˒²
RCM can help clarify some lesions that remain uncertain after clinical examination and dermoscopy. It is not required for every concerning mole and should not delay a biopsy that is clinically necessary.
Histopathology review
If a biopsy has already been performed, a second opinion may involve another pathologist reviewing the tissue slides and report. Histopathology means examining tissue removed during a biopsy under a microscope.
This type of second opinion can be particularly important when the diagnosis has major treatment implications, when the pathology wording is uncertain, or when the clinical appearance and pathology report do not seem to fit together.
When is a second opinion reasonable?
A second opinion may be useful in several situations.
The diagnosis is uncertain
Some lesions sit in a diagnostic grey zone. They may have unusual features but not enough evidence to be clearly benign or clearly cancerous. These lesions may be described as equivocal or indeterminate, meaning uncertain.
In selected cases, another clinical assessment, review of dermoscopic images or RCM can provide additional information.¹˒²˒⁵
The clinical appearance and pathology result do not seem to match
Sometimes a lesion looks more concerning clinically than the biopsy result suggests, or the pathology result does not fully explain what the clinician sees. This does not automatically mean the pathology is wrong.
It may mean that the lesion needs clinicopathological correlation—comparing what the lesion looked like on the skin with what was seen in the biopsy tissue under the microscope. A second pathology review, additional imaging or another clinical examination may be appropriate.
A major procedure has been recommended
It is reasonable to ask questions or seek another opinion before a substantial procedure, particularly if surgery is recommended on the face, eyelid, nose, lip, ear or another cosmetically or functionally sensitive area.
The aim is not to delay necessary care. It is to ensure that you understand why the procedure is recommended, what alternatives exist, what the expected outcome is, and whether the diagnosis requires prompt treatment.
For lesions in scar-sensitive areas that remain uncertain after dermoscopy, our article Optical Biopsy for Facial Moles and Scar-Sensitive Areas may be a useful related resource.
You have received different opinions
Sometimes one clinician recommends monitoring while another recommends biopsy. Different recommendations may reflect a lesion that is genuinely difficult to classify, differences in the information available, or different thresholds for caution.
Ask each clinician to explain their reasoning. It can be helpful to ensure that both have access to the same history, photographs, dermoscopic images and pathology reports.
You do not understand the diagnosis or proposed plan
You do not need to be in conflict with your doctor to ask for another opinion. It is appropriate to seek clarification if you do not understand the diagnosis, the reason for biopsy, the urgency of treatment or what the alternatives involve.
A good second opinion should help you make an informed decision, not leave you feeling more confused.
You have a previous melanoma or high-risk skin cancer history
People with a previous melanoma, multiple atypical moles, a strong family history of melanoma or other high-risk features may reasonably seek expert reassessment when a new lesion is uncertain.⁴˒⁷
In these situations, prior body maps, dermoscopic photographs and pathology records can be particularly useful.
You remain concerned despite reassurance
If a lesion continues to change, bleed, itch, crust or become painful after you have been reassured, arrange a further review. A changing lesion deserves reassessment, even if an earlier examination was reassuring.⁴
When should a second opinion not delay care?
Seeking another opinion is reasonable, but it should not delay urgent investigation or treatment when the risk is high.
Prompt biopsy or treatment may be needed when:
-
melanoma is strongly suspected;
-
a lesion continues to change in size, shape, colour or elevation;
-
a lesion is bleeding, ulcerated, rapidly growing or persistently non-healing;
-
a doctor believes tissue diagnosis is urgently required;
-
pathology has already confirmed a malignancy that requires timely treatment.⁴˒⁸
Australian melanoma guidelines advise that a lesion continuing to grow or change over more than one month should be biopsied and assessed histologically, or referred for expert opinion.⁸
If you want another opinion in an urgent situation, tell the original clinician. They can often help arrange a timely review, forward records and explain whether it is safe to wait.
The role of dermoscopy in a second opinion
Dermoscopy is a key part of modern lesion assessment. It uses magnification and specialised light to examine pigment, blood-vessel and structural patterns beneath the surface of the skin.⁵˒⁶
A second clinician can review high-resolution digital dermoscopic images if available. This can be useful because it allows the reviewer to assess the same lesion pattern even if they did not see the lesion at the first appointment.
Dermoscopy improves diagnostic accuracy, especially when used by trained clinicians, but it is not perfect.⁵˒⁶ A suspicious lesion may still require biopsy even if dermoscopy is reassuring, particularly if the clinical history or change pattern remains concerning.
For a clearer explanation of how dermoscopy, biopsy and RCM fit together, see our article: Dermoscopy, Biopsy and Confocal: Which Test When?
The role of reflectance confocal microscopy
Reflectance confocal microscopy may be useful when a lesion remains diagnostically uncertain after clinical examination and dermoscopy, particularly if the result could change the immediate decision between biopsy and close monitoring.¹˒²
RCM allows structures within the upper layers of living skin to be viewed at approximately cellular-level resolution. It does not involve cutting the skin or removing tissue.¹˒²
In selected equivocal lesions, RCM can improve diagnostic confidence and may change management. In a prospective study of 272 dermoscopically equivocal lesions, RCM changed clinical management in one-third of cases while maintaining high diagnostic accuracy.²
RCM does not replace biopsy in every case. It cannot provide all the information that histopathology can provide. If a lesion is highly suspicious for melanoma, thick, nodular, bleeding, ulcerated or remains uncertain after imaging, biopsy remains the appropriate next step.¹˒³
What if a biopsy has already been done?
If a biopsy has already been performed, your second opinion may focus less on imaging and more on reviewing the complete clinical and pathology information.
This can include:
-
reviewing your history and the lesion’s changes over time;
-
examining clinical photographs and dermoscopic images;
-
discussing whether the biopsy sampled the most representative area;
-
requesting another pathologist to review the tissue slides;
-
performing clinicopathological correlation, meaning comparing the clinical appearance of the lesion with the microscopic findings.⁸
A pathology review is not a routine requirement after every biopsy. However, it may be appropriate where the diagnosis is unusual, uncertain, has major treatment implications, or does not fit the clinical picture.
If pathology has already confirmed melanoma or another malignancy, ask the treating clinician whether a second pathology opinion is likely to change management and whether it can be arranged without delaying time-sensitive treatment.
How Skintel can fit into a second-opinion pathway
Skintel is a specialist diagnostic skin imaging service. It does not replace your treating doctor or provide definitive treatment for skin cancer.
For patients with a lesion that remains uncertain before biopsy, Skintel may provide additional diagnostic information through clinical assessment, total body photography or mole mapping where relevant, high-resolution digital dermoscopy and reflectance confocal microscopy where appropriate.⁹˒¹⁰
At Skintel, imaging is performed within a workflow involving melanographers and accredited skin cancer doctors. Melanographers are registered nurses trained in dermoscopy who capture detailed skin images, while accredited skin cancer doctors review findings and provide diagnostic reports.⁹˒¹⁰
The report is provided to the referring or treating clinician. Your GP, dermatologist, skin cancer doctor or surgeon remains responsible for advising on biopsy, treatment and ongoing care.
Second opinion versus delaying treatment
A second opinion is most helpful when it answers a specific question: Does this lesion need biopsy? Is the diagnosis clear? Does the pathology fit the lesion? Do I understand why surgery or another treatment has been recommended?
Repeatedly seeking new opinions without a clear question can delay necessary care and increase anxiety. If you want another assessment, ask your doctor what information should be shared, how urgently the lesion needs action and whether it is safe to wait.
The goal is not to find an opinion that is more reassuring. The goal is to reach a well-supported decision that is safe and appropriate for your lesion.
Need another opinion on a skin lesion?
Uncertainty about a mole or skin lesion can be stressful, especially when different opinions have been offered or a lesion remains difficult to classify.
Skintel provides advanced diagnostic skin imaging, including high-resolution dermoscopy and, for selected diagnostically uncertain lesions, reflectance confocal microscopy. These tools are not necessary for every lesion, but they may provide additional information before biopsy in appropriate cases.To arrange an imaging assessment, book an assessment at Skintel.
Medical disclaimer
This article provides general information only and is not a substitute for individual medical advice, diagnosis or treatment. If you have a new, changing, bleeding, painful or otherwise concerning skin lesion, seek prompt assessment from a qualified medical practitioner. If a clinician has recommended urgent biopsy or treatment because skin cancer is suspected, do not delay care while seeking additional opinions unless you have been advised that it is safe to do so.
Frequently Asked Questions
Should I get a second opinion on a skin cancer diagnosis?
A second opinion can be reasonable if the diagnosis is uncertain, the recommended treatment is significant, you have received different advice, or you do not understand the proposed plan. It should add useful information rather than delay essential care. If melanoma is strongly suspected or a clinician recommends urgent biopsy, ask whether a second opinion can be organised promptly and safely.⁴˒⁸
Can a melanoma diagnosis be wrong?
Melanoma diagnosis can sometimes be challenging because benign and malignant lesions may overlap in appearance, and pathology findings must be interpreted alongside the clinical picture.⁵˒⁸ A second clinical opinion, review of dermoscopic images or pathology-slide review may be appropriate when there is genuine uncertainty. However, confirmed or strongly suspected melanoma should be managed without avoidable delay.
Should I get a second opinion before skin cancer surgery?
A second opinion may be helpful before a major procedure, particularly in a cosmetically or functionally sensitive area, if the diagnosis or treatment plan is unclear. It should not delay surgery that your clinician considers urgent. Ask whether the planned procedure is time-sensitive and whether another review can be arranged quickly while records and pathology information are shared.
What if two doctors disagree about a mole?
If two doctors disagree, ask each clinician to explain the basis for their recommendation and ensure both have access to the same history, photographs, dermoscopic images and pathology results. Some lesions are genuinely equivocal. A third expert opinion, RCM for a suitable lesion or biopsy may be recommended depending on the level of concern.¹˒²˒⁸
Can confocal microscopy provide a second opinion?
Confocal microscopy can provide additional non-invasive information for selected lesions that remain uncertain after clinical examination and dermoscopy.¹˒² It can support a second diagnostic opinion but does not replace biopsy when tissue diagnosis is required. Highly suspicious, rapidly changing, thick, nodular or ulcerated lesions may need biopsy without delay.
Can a biopsy result be reviewed by another pathologist?
Yes. A biopsy result can be reviewed by another pathologist if the diagnosis is uncertain, unusual, has major treatment implications or does not fit the lesion’s clinical appearance. This is called a pathology review. Your treating doctor can arrange transfer of the slides and pathology report, and can explain whether an additional review is likely to assist.
Should a suspicious mole always be biopsied?
Many suspicious moles require biopsy, especially when melanoma cannot be confidently excluded.⁴˒⁸ Some equivocal lesions can first be clarified with dermoscopy, expert review or RCM, but this should not delay biopsy when the lesion is highly suspicious or requires tissue diagnosis. The appropriate decision depends on the lesion’s features, location, history and your personal risk factors.
Is it safe to wait for a second opinion?
It can be safe to wait briefly for a second opinion when your clinician considers the lesion low risk or diagnostically uncertain and confirms that delay is acceptable. It is not safe to delay when melanoma is strongly suspected, a lesion is changing quickly, bleeding or ulcerated, or urgent biopsy or treatment has been recommended.⁴˒⁸ Always ask the clinician managing your care about timing.
What if I still feel concerned after being told a mole is benign?
If you remain concerned, especially if the mole changes, bleeds, itches, becomes painful or looks different from your other moles, arrange another medical review.⁴ A new assessment can compare the lesion with previous images, repeat dermoscopy or consider another diagnostic pathway. Persistent concern is a valid reason to ask questions and seek reassessment.
How do I get a second opinion on a skin lesion?
Start by asking your GP, dermatologist, skin cancer doctor or treating clinician to refer you for another assessment. Take or request copies of your referral, clinical photographs, dermoscopic images, pathology report and relevant biopsy information. A clear referral question—such as whether biopsy is needed or whether pathology matches the lesion—helps the second clinician provide a useful opinion.
Conclusion
A second opinion on a skin cancer diagnosis can be valuable when it resolves genuine uncertainty, clarifies a significant treatment decision or helps you understand the plan for a suspicious lesion.
It may involve another clinical examination, review of dermoscopic images, selected non-invasive imaging such as reflectance confocal microscopy, or a pathology-slide review. These approaches have different purposes, and the right one depends on where the uncertainty lies.
The most important principle is timely, informed care. Seek another opinion when it can add meaningful diagnostic information, but do not delay urgent biopsy or treatment when skin cancer is strongly suspected.
References
-
Dinnes J, Bamber J, Chuchu N, et al. Reflectance confocal microscopy for diagnosing cutaneous melanoma in adults. Cochrane Database Syst Rev. 2018;12(12):CD013190. doi:10.1002/14651858.CD013190.pub2.
-
Lallas A, et al. Improvement of diagnostic confidence and management of equivocal skin lesions by integration of reflectance confocal microscopy in daily practice: prospective study in 2 referral skin cancer centres. Br J Dermatol. 2020;183(4):e220-e228.
-
Longo C, Ragazzi M, Rajadhyaksha M, et al. Reflectance confocal microscopy: an effective tool for diagnosing melanoma and non-melanoma skin cancers. J Am Acad Dermatol. 2018;79(2):247-257.
-
Cancer Council Australia. Check for signs of skin cancer. Sydney: Cancer Council Australia; 2026.
-
Kittler H, Pehamberger H, Wolff K, Binder M. Diagnostic accuracy of dermoscopy. Lancet Oncol. 2002;3(3):159-165.
-
Menzies SW, Emery J, Staples M, et al. Impact of dermoscopy on the clinical diagnosis of melanoma in primary care: results of a randomised controlled trial. BMJ. 2009;339:b3112.
-
Cancer Council Australia. Early detection of skin cancer position statement. Sydney: Cancer Council Australia; 2026.
-
Cancer Council Australia. Clinical practice guidelines for the diagnosis and management of melanoma. Sydney: Cancer Council Australia; 2024.
-
Skintel. The Skintel skin check. Melbourne: Skintel; 2026.
-
Skintel. About us. Melbourne: Skintel; 2026.
