Kelati et al listed a number of conditions that may mimic early mycosis fungoides (MF). Failure to recognize mycosis fungoides can result in a delay in therapy. The authors are from Hospital Hassan II in Fez, Morocco.
Early mycosis fungoides may be misdiagnosed as:
(1) eczema
(2) psoriasis
(3) nonspecific dermatitis
(4) lichenoid skin reactions
(5) systemic lupus erythematosus
(6) pseudolymphoma
(7) parapsoriasis
(8) toxidermia
Patterns of mycosis fungoides more likely to be misdiagnosed:
(1) psoriasiform
(2) eczematoid
(3) palmoplantar
Additional factors that may contribute to misdiagnosis:
(1) topical steroids
(2) immunosuppression
(3) patient self-therapy
(4) slow and indolent course
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