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Psoriasis, vitiligo, and mycosis fungoides (MF) are among the most frequently treated dermatological diseases by photo(chemo)therapy. The objectives are to determine which photo (chemo) therapeutic modality could achieve the best response in the treatment of psoriasis, vitiligo, and MF. The design used in this study is retrospective analytical study. The study included 745 patients' records; 293 with psoriasis, 309 with vitiligo, and 143 with early MF, treated in the Phototherapy Unit, Dermatology Department, Kasr El-Aini Hospital, Cairo University by either psoralen and ultraviolet A (PUVA), narrow band ultraviolet B (NB-UVB), psoralen and narrow band UVB (P-NBUVB), broad band UVB (BB-UVB), or broad band UVA (BetaBeta-UVA). Data were retrieved from the computer database of the unit and statistically analyzed. In psoriasis, oral and topical PUVA and NB-UVB were found to be equally effective, whereas oral PUVA had significantly better results than both UVA and BB-UVB at the end of therapy. In generalized vitiligo, PUVA and P-NBUVB had significantly better results than NB-UVB alone. In early MF, there was no statistically significant difference between the response to oral PUVA and NB-UVB. PUVA and NB-UVB are good choices in patients with psoriasis and early stage MF, whereas PUVA appears the best choice in the treatment of vitiligo.

The T-piece and large spacer were equally efficient for salbutamol delivery from the mesh nebulizer in patients with COPD and on single-limb noninvasive ventilation. Adding a preliminary bronchodilator dose by pMDI prenebulization showed a trend toward greater pulmonary bioavailability of nebulized salbutamol and may be worth considering to maximize delivery of salbutamol to patients who are severely ill.