Are Warts and Corns the Same? Skin Conditions - Dermatology

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Are corns and warts the same?


I consulted a doctor a few months ago because I developed a small bump on my cheek that resembled a skin tag; it was neither painful nor bothersome.
From a distance, it looked like a raised mole.
About ten days ago, I visited a dermatology clinic, and the doctor diagnosed it as a "wart," stating that it was contagious.
They treated it with cryotherapy.
During my follow-up appointment for the second treatment, I accidentally glanced at the doctor's computer and saw that my medical record labeled it as a "corn" (I am sure I saw it clearly).
This raises my question: Is a corn the same as a wart?

Kai, 20~29 year old female. Ask Date: 2009/04/19

Dr. Zhang Zhibo reply Dermatology


Hello: Warts are an infection caused by the human papillomavirus, while corns are a type of keratinization disorder.
If a physician prescribes a keratolytic medication, they may include this diagnosis in order to prescribe it.
Generally, cryotherapy can treat both conditions! Applying a salicylic acid ointment can also be effective, especially for patients who are afraid of pain.

Reply Date: 2009/04/19

More Info


Warts and corns are distinct skin conditions, and understanding their differences is crucial for proper diagnosis and treatment.
Warts are benign growths on the skin caused by the human papillomavirus (HPV). They can appear anywhere on the body, including the face, hands, and feet. Warts are typically rough, raised, and may have a cauliflower-like appearance. They can be contagious, meaning they can spread from person to person through direct contact or by touching surfaces contaminated with the virus. Warts can vary in size and shape and may be painful if located on pressure points, such as the soles of the feet.

On the other hand, corns are thickened areas of skin that develop in response to friction or pressure, often on the feet or toes. They are not caused by a virus but rather by repeated irritation, such as from ill-fitting shoes or abnormal walking patterns. Corns are usually small, round, and have a hard center surrounded by inflamed skin. Unlike warts, corns are not contagious and do not spread from person to person.

In your case, it seems that there was some confusion regarding the diagnosis of your skin condition. If a dermatologist diagnosed your skin growth as a wart and treated it with cryotherapy (the application of low-temperature nitrogen), it is likely that they believed it to be a wart caused by HPV. The mention of "chicken eye" (which is a term often used to refer to a specific type of corn, particularly a hard corn on the foot) in your medical record may have been an error or miscommunication.
To clarify, while both warts and corns can appear as raised bumps on the skin, they have different causes and treatment approaches. If you have been treated for a wart and are experiencing any changes in the growth, or if you have concerns about the diagnosis, it is advisable to follow up with your dermatologist. They can provide further evaluation and ensure that the correct treatment is being administered.

In terms of treatment, warts can be treated with various methods, including cryotherapy, topical treatments, laser therapy, and surgical removal. Corns, on the other hand, are often managed by addressing the underlying cause of friction or pressure, such as wearing properly fitting shoes, using protective pads, or in some cases, having them removed by a healthcare professional.

In conclusion, while warts and corns may appear similar at first glance, they are fundamentally different conditions with distinct causes and treatments. If you have any lingering doubts or if the growth on your skin changes in appearance or symptoms, it is essential to consult with a healthcare professional for accurate diagnosis and appropriate management.

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