Your doctor has recommended a skin cancer biopsy — but which type? Punch biopsy, shave biopsy, excisional biopsy — these terms can be confusing, especially when you are already anxious about what the results might show.

This guide explains the four main types of skin biopsies used in Australia, when each is used, how long results take, and what you need to know for your aftercare.

Been recommended a skin biopsy? Book at Manningham today — no referral needed.

What Is a Skin Biopsy and Why Is It Performed?

Dermatologist performing a skin biopsy procedure in a clinical setting

A skin biopsy removes a small sample of skin tissue to be examined under a microscope by a pathologist. It is the only way to definitively confirm a skin cancer diagnosis. Visual examination — even with dermoscopy — cannot provide a certain diagnosis for most suspicious lesions.

A biopsy provides the cellular-level analysis required to determine whether cells are cancerous, pre-cancerous or benign. If you have had a recent skin cancer screening and a lesion was flagged, your doctor will likely recommend a biopsy as the next step.

Key point: A biopsy is the gold standard for skin cancer diagnosis. No imaging or visual tool can replace it for definitive results.

The Four Main Types of Skin Biopsies

Punch Biopsy

Illustration of punch biopsy technique on skin

A circular blade extracts a full-depth core of skin including the epidermis, dermis and subcutaneous fat. Best for suspicious moles, inflammatory conditions and lesions where full-depth assessment is required.

  • Takes 10 to 15 minutes
  • May require 1 to 2 sutures
  • Local anaesthetic injection

Learn about Punch Biopsy Treatment →

Shave Biopsy

Illustration of shave biopsy technique on skin

A superficial layer of skin is shaved off using a razor blade or scalpel. Best for raised lesions such as seborrheic keratoses, BCCs and SCCs that are elevated above the skin surface.

  • Quick — usually no sutures
  • Does not capture deep tissue
  • Not suitable for suspected melanoma

Excisional Biopsy

Illustration of excisional biopsy technique removing full lesion

The entire lesion is removed along with a margin of surrounding healthy tissue. The gold standard for suspected melanoma and larger suspicious lesions.

  • Confirms cancer type AND clear margins
  • Requires sutures
  • Brief recovery period

Incisional Biopsy

Illustration of incisional biopsy technique — partial lesion removal

Only a portion of a large lesion is removed — used when the lesion is too large to excise completely at the initial appointment. Less common, typically reserved for larger tumours requiring staging.

  • Reserved for very large lesions
  • Used before a full treatment plan
  • May or may not need sutures

Biopsy Type Comparison Table

Not sure which biopsy your doctor is recommending? This table breaks down the key differences at a glance. Your specialist will always advise on the most appropriate technique based on the specific lesion and clinical presentation.

Type Tissue Depth Best For Sutures? Anaesthetic
Punch Full thickness Moles, inflammatory lesions, BCCs, SCCs Sometimes Local injection
Shave Superficial only Raised lesions, seborrheic keratoses Usually not Local injection or topical
Excisional Full thickness + margins Melanoma, any lesion needing margin assessment Yes Local injection
Incisional Partial full thickness Very large lesions requiring staging Sometimes Local injection

How Long Do Skin Biopsy Results Take in Australia?

3–5

Business days
Simple cases

5–10

Business days
Typical range

Up to 2

Weeks
Complex cases

Most skin biopsy results in Australia are returned within 5 to 10 business days. Complex cases requiring special staining, immunohistochemistry or referral to a specialist pathologist may take up to two weeks. For independent guidance on biopsy timelines, see Healthdirect Australia’s overview of biopsy procedures.

What if results take longer than 2 weeks? Contact the clinic directly. Delays are uncommon but do occur in complex cases. Do not assume no news is good news — always follow up with your doctor.

What Do Biopsy Results Mean?

Your pathology report will classify the tissue into one of four categories. Understanding these terms helps you prepare for your follow-up discussion. For a deeper overview of how skin cancers are classified and treated, visit the Cancer Council Australia’s biopsy information page.

✓

Benign

No cancerous cells found. Monitoring or no further action required.

⚠

Dysplastic / Atypical

Abnormal cells that are not yet cancerous but should be monitored or removed.

■

In Situ

Cancerous cells present but confined to the top layer of skin. Highly treatable.

▲

Invasive

Cancer has grown into deeper skin layers. A treatment plan is required promptly.

Related Reading

Curettage for Skin Cancer: What to Expect

Understand what happens after a biopsy confirms a BCC — curettage is one of the most common next-step treatments.

Read the Guide →

Skin Biopsy Aftercare

Proper aftercare reduces your risk of infection and supports faster healing. These guidelines apply to all biopsy types, though your doctor will provide specific written instructions based on your individual procedure.

First 24 Hours

  • Keep the wound covered and dry
  • Do not remove the initial dressing
  • Minor oozing is normal
  • Avoid strenuous activity

Days 2 Onwards

  • Clean once daily with saline or running water
  • Pat dry and apply a fresh non-stick dressing
  • Apply antiseptic ointment if advised
  • Avoid swimming, baths, strenuous exercise

Ongoing

  • Protect from sun with SPF50+
  • Attend all follow-up appointments
  • Do not pick at any crust that forms
  • Contact the clinic if infection signs appear

Contact Manningham Skin Cancer Clinic on (03) 8840 1410 if you notice:

  • Increasing redness spreading outward from the wound
  • Yellow or green discharge with an unpleasant odour
  • Pain that worsens after 48 hours
  • Fever or chills
  • Significant swelling or warmth around the wound

Detailed Aftercare Guide

Punch Biopsy: What to Expect, Does It Hurt and How Long to Heal

Includes a full healing timeline and step-by-step aftercare instructions specific to punch biopsies.

Read the Guide →

Frequently Asked Questions About Skin Biopsies

How long do skin biopsy results take?
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Most results return within 5 to 10 business days. Simple cases can arrive in 3 to 5 days. Complex cases requiring additional staining may take up to 2 weeks. Your doctor will contact you as soon as results are available — always follow up if you have not heard back after two weeks.
What is the difference between a punch biopsy and a shave biopsy?
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A punch biopsy removes a full-depth core of skin for complete tissue analysis — epidermis, dermis and subcutaneous fat. A shave biopsy removes only a superficial layer. Punch biopsies are used when deep tissue analysis is needed; shave biopsies suit raised, superficial lesions. Melanoma always requires full-thickness removal — never a shave biopsy.
Is a skin biopsy painful?
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The procedure itself is not painful — a local anaesthetic is injected to numb the area first. You may feel a brief sting from the needle injection (approximately 2 to 3 seconds). After the anaesthetic wears off, mild tenderness is normal and is typically managed with over-the-counter paracetamol.
What does a “normal” biopsy result mean?
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A “normal” or benign result means no cancerous cells were found. The pathology report will describe the tissue type and whether it is benign, dysplastic, in situ or invasive. Your doctor will explain the findings at your follow-up appointment and recommend any next steps.
Do I always need a biopsy before treatment?
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In most cases yes — a biopsy confirms the diagnosis before treatment begins. In some situations (particularly very obvious BCCs), an experienced skin cancer doctor may proceed directly to treatment. The approach depends on the lesion’s clinical appearance and your doctor’s assessment during your skin check.
What happens if the biopsy results confirm skin cancer?
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Your doctor will discuss the results with you at a follow-up appointment and recommend the most appropriate treatment based on the type of cancer, its depth and location. Early-stage skin cancers are highly treatable — the earlier detected, the better the outcome.
How do I care for my skin after a biopsy?
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Keep dry and covered for 24 hours. From day 2, clean gently once daily with saline, pat dry, and apply a fresh non-stick dressing. Avoid swimming and strenuous exercise until healed. Always protect healing skin from direct sun exposure with SPF50+ sunscreen.

Have a Suspicious Lesion? Book a Skin Check or Biopsy Consultation

Our specialists perform all types of skin biopsies in-clinic. Fast pathology turnaround and clear results communication. No referral needed.

Templestowe Lower VIC 3107  |  Fortnightly Saturday appointments available