Keratoacanthomas typically present as a solitary, rapidly growing nodule on sun- exposed skin of the face and upper limbs. Keratoacanthomas are sharply demarcated, firm, erythematous or skin-coloured, with a classic central hyperkeratotic plug and an even shoulder. Keratoacanthomas can look a lot like skin cancer.

Context Explanation

So, they may order tests to confirm the diagnosis and rule out other conditions. Tests may include: Skin biopsy: Your provider may completely remove the tumor from your skin. Then, they’ll send it to a lab to examine it under a microscope. Keratoacanthomas presents as a fleshy, elevated and nodular lesion with an irregular crater shape and a characteristic central hyperkeratotic core.

Insight Material

Usually the people will notice a rapidly growing dome-shaped tumor on sun-exposed skin. Keratoacanthomas are round, firm, usually flesh-colored nodules with sharply sloping borders and a characteristic central crater containing keratinous material; they usually resolve spontaneously, but some may be a well-differentiated form of squamous cell carcinoma. This leaflet has been written to help you understand more about keratoacanthomas (KA). It tells you what they are, what causes them, what can be done about them, and where you can find out more about them. Keratoacanthomas are round, firm, usually flesh-colored growths that have a central crater that is scaly or crusted.

Final Conclusion

Some keratoacanthomas may be a form of squamous cell carcinoma.