Mycosis fungoides: A mimicker of benign dermatoses

Table 2 Clinical, histological and molecular genetic features of our own encountered cases of dermatological mimickers of mycosis fungoides

				Otherwise classical MF lesions
Patient	Leadingclinical sign	Differential diagnosis	Otherwiseatypical lesions	At timeof presentation	Duringclinical course	Histologicalfindings	Moleculargenetic findings
1	Erythematous	Erythema exsudativum multiforme	Yes	Yes	Yes	Classical MF	Not done
	Psoriasiform	Tinea corporis				Classical MF
	Granulomatous	Granuloma anulare				Classical MF
2	Papular	Papuloerythroderma Ofuji	No	No	No	MF/SS with folliculotropism, only slight epidermotropism	Monoclonal
3	Psoriasiform	Psoriasis	No	Yes	Yes	Classical MF	Monoclonal
4	Granulomatous	Granuloma anulare	No	Yes	Yes	Transformed MF with folliculotropism and giant cells	Biclonal
5	Hyperpigmented	Urticaria pigmentosa	No	No	Yes	Purpuric CD8+ MF	Monoclonal
6	Hypopigmented	Vitiligo	No	Yes	Yes	Purpuric CD8+ MF	Monoclonal
7	Hyperkeratotic	Plantar eczema	No	No	No	Classical MF	Monoclonal
8	Ulcerative	venous ulcer	No	Yes	Yes	Tumor stage MF	Not done
9	Eczematous	Rosacea	Yes	No	No	Folliculotropic MF	Polyclonal
	Granulomatous	Anetoderma				MF with elastolysis
10	Bullous	Bullous pemphigoid	No	Yes	Yes	CD8+ and CD30+ MF, subepidermal blistering	Monoclonal

MF: Mycosis fungoides; SS: Sézary syndrome.