What diseases can be treated with phototherapy?

See Table 55-1.

Gambichler, T, Breuckmann F, Borns S, et al: Narrowband UVB phototherapy in skin conditions beyond psoriasis, J Am Acad Dermatol 52:660–670, 2005.

Table 55-1. Diseases Treated with Phototherapy
	DISEASE		PHOTOTHERAPY TYPE		EFFECTIVENESS		EVIDENCE
	Psoriasis		Broadband UVB Narrowband UVB PUVA 308-nm laser 595-nm laser		++ +++ +++ +++ +		+++ +++ +++ ++ +
	Vitiligo		Broadband UVB Narrowband UVB PUVA 308-nm laser		++ +++ +++ +++		++ +++ +++ ++
	Cutaneous T-cell lymphoma (mycosis fungoides)		Broadband UVB Narrowband UVB PUVA		+ +++ +++		+ ++ +++
	Parapsoriasis		Broadband UVB Narrowband UVB PUVA		+ +++ +++		- + ++
	Atopic dermatitis		UVA Broadband UVB Narrowband UVB PUVA		++ + ++ ++		++ + + +
	Polymorphous light eruption		Broadband UVB Narrowband UVB PUVA UVA		+ ++ +++ +		+ + ++ +
	Actinic prurigo		Broadband UVB Narrowband UVB PUVA		+ ++ ++		+ + +
	Chronic actinic dermatitis/actinic reticuloid		Narrowband UVB PUVA		+ +		+ +
	Pityriasis rosea		Broadband UVB Narrowband UVB PUVA		+ ++ ++		+ + '''
	Pityriasis lichenoides		Broadband UVB Narrowband UVB		++ ++		+ +
	Nummular dermatitis		Broadband UVB Narrowband UVB PUVA		+ ++ ++		''' ''' '''
	Lichen planus		Broadband UVB Narrowband UVB PUVA		+ + +		+ + +
	HIV-associated pruritus		UVB UVA		+ +		+ +
	Pruritus associated with renal failure		Broadband UVB Narrowband UVB PUVA		++ - -		+ - -
	Pruritus associated with polycythemia vera		UVA/B Narrowband UVB PUVA		+ + +		+ + +
	Seborrheic dermatitis		Narrowband UVB PUVA		+ +		+ +
	Acquired perforating disorders		UVB Narrowband UVB		+ +		+ +
	Morphea/scleroderma		UVA1 PUVA Narrowband UVB		++ ++ +		++ + +
	Solar urticaria		Broadband UVB Narrowband UVB UVA PUVA		+ + + ++		+ + + +
	Cutaneous mastocytosis		PUVA UVA1 Narrowband UVB		++ + +		+ + +
	-, Not effective or not studied; +, case reports; ++, small studies; +++, controlled studies or strong evidence.