Symptoms of mycosis fungoides can look like symptoms of some common and less serious skin conditions, like Eczema or psoriasis.
Since mycosis fungoides usually worsens very slowly, it may look like a skin Rash or scaly patch of skin for years or even decades. Because of this, people with this skin cancer may at first be misdiagnosed as having another skin condition.
If you have mycosis fungoides, your symptoms will vary depending on the stage you are in. At the start, mycosis fungoides may look like a sunburn or rash. It typically begins on an area of the skin that does not get much sun, like your back, belly, chest, buttocks, or upper thighs.
The color of skin Lesions may also vary from red to purple or brown, depending on your skin tone. You may have:
- skin Redness or irritation
- rash or red to brown or purple lesions
- white, light brown, or tan spots or lesions
- scaly or shiny patches
- flat skin lesions
- thicker or raised plaques
- large skin nodules
The Rash will eventually turn into flat, scaly patches that may look like common skin conditions such as Eczema or psoriasis. In some people, this stage may look like light spots. This is more common in children, teenagers, and people with darker skin tones.
Patches eventually thicken and raise to become Plaques that may look like thicker skin or welts. These Plaques may also be Itchy and resemble other common and less-serious skin conditions.
Later stage mycosis fungoides can cause more severe skin symptoms as the cancer spreads into the body. This can result in:
- skin rash
- scaly patches
- raised plaques
- sore-like tumors or growths on the skin
Later stage mycosis fungoides that has turned into Sézary syndrome may lead to:
- widespread skin color changes
- severe itching
- thicker skin on the palm of the hands and soles of the feet
In the late stages of mycosis fungoides, there may be a general feeling of illness as the condition spreads throughout the body. Symptoms include:
- severe fatigue
- difficulty swallowing
- weight loss
In the late stages, your digestive and heart systems may also be affected. If the tumor cells reach the brain, vision may become blurred.