When is mechlorethamine better than more common treatments like light therapy and topical steroids for mycosis fungoides?

Topical mechlorethamine and light therapy are both treatment options for mycosis fungoides, but they have different advantages and disadvantages depending on the patient's individual history and circumstances. Topical steroids are rarely used alone as their long-term use results in skin damage (skin damage and fragility).

For a patient with a history of skin cancer, mechlorethamine may be preferred over light therapy because it can be more targeted to affected areas and may offer better control....

Mechlorethamine is particularly effective in early-stage mycosis fungoides (stages IA and IB) where the disease is limited to the skin. It can be used as a first-line treatment option, especially when the disease covers a large area of the body and other treatments might not be practical or sufficient. But it also can be used as together with systemic therapies in advanced disease.

Steroids are really not a therapy for MF, as responses to steroids are short-lived, which necessitates constant us...

I have had good success with NBUVB for most of my patch/plaque patients over the last two decades. I do like to use concurrent topical steroids with rest periods. I have had several patients on the modern tubes of mechlorethamine with good success, but I miss the days of the pound jar of compounded mustard. Less so the little vials. I prefer to help the patient obtain a home light unit, although it’s not always possible. I don’t share the same degree of concern of long-term risk for skin cancer ...