5. Pathology of keratinocyte cancer

Guideline contents > [[Guidelines:Keratinocyte carcinoma/Pathology|]]

Author(s):

• Vicki Howard — Author
• Cancer Council Australia Keratinocyte Cancers Guideline Working Party — Co-author

Cite this page

Vicki Howard, Cancer Council Australia Keratinocyte Cancers Guideline Working Party. Guidelines:Keratinocyte carcinoma/Pathology . In: Clinical practice guidelines for keratinocyte cancer. Sydney: Cancer Council Australia. [Version URL: https://wiki.cancer.org.au/australiawiki/index.php?oldid=208383, cited 2023 Feb 3]. Available from: https://wiki.cancer.org.au/australia/Guidelines:Keratinocyte_carcinoma.

Last modified:
25 November 2019 21:23:12

Introduction

Keratinocytic tumours form a wide continuum from benign tumours to malignant tumours. This spectrum includes:

• benign adnexal tumours, often showing follicular differentiation
• tumours of intermediate malignant potential, such as keratoacanthoma (which usually resolve)
• pre-invasive lesions, such as Bowen’s disease (cutaneous squamous cell carcinoma in situ) and actinic keratosis
• frankly malignant tumours, such as basal cell carcinoma and cutaneous squamous cell carcinoma
• rare tumours, such as Merkel cell carcinoma, Paget’s disease and atypical fibroxanthoma.

Topics covered in this section include:

• Pathology of basal cell carcinoma
• Pathology of cutaneous squamous cell carcinoma and related tumours
• Pathology of keratoacanthoma
• Pathology of rare tumours
• Biopsy considerations and the biopsy report

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cSCC in situ (also known as intra-epidermal SCC)