Journal Compilation © 2009 Acta Dermato-Venereologica. ISSN 0001-5555 Sir, Lichen amyloidosis, a variant of localized cutaneous amyloidosis, is characterized by discrete, intensely pruritic, hyperkeratotic brown-coloured papules and plaques (1). Genetic and viral factors, as well as chronic friction due to scratching, are possible causes (2–4). Therapeutic management of lichen amyloidosis compr...

e problem of optimal placement of point sources is formulated as a distributed optimal control problem with sparsity constraints. For practical relevance, partial observations as well as partial and non-negative controls need to be considered. Although well-posedness of this problem requires a non-režexive Banach space setting, a primal-predual formulation of the optimality system can be approx...

Blood transfusion is an accepted therapeutic procedure in all specialties of medicine. In dermatology, specialized techniques like plasmapheresis and extracorporeal photochemotherapy have provided a good treatment option in immune-mediated disorders like bullous dermatoses, collagen vascular diseases and cutaneous lymphomas. Other anecdotal and less substantiated reports point to its use in chr...

1. Calzavara-Pinton P, Ortel B, Carlino A, Honigsmann H, De Panfilis G. A reappraisal of the use of 5-methoxypsoralen in the therapy of psoriasis. Exp Dermatol 1992;1:46-51. 2. Honigsmann H, Szeimies RM, Knobler R. Photochemotherapy and photodynamic therapy. In: Wolff K, Goldsmith LA, Katz SI, Gilchrist AS, Leffell DJ, editors. Fitzpatrick’s dermatology in genereal medicine. 7th ed. New York: M...

Light has been employed in the treatment of disease since antiquity. Many ancient civilizations utilized phototherapy, but it was not until early last century that this form of therapy reappeared. Following the scientific discoveries by early pioneers such as Finsen, Raab and Von Tappeiner, the combination of light and drug administration led to the emergence of photochemotherapy as a therapeut...

BUMC PROCEEDINGS 2000;13:297–299 CASE 1 A 58-year-old woman presented with numerous red-brown papules scattered over her body (Figure 1). A few of the lesions urticated on gentle stroking. She had had rheumatoid arthritis since age 46 and a pruritic rash since age 52. She was not taking any new medications and had no history of treatment with hydroxychloroquine or gold. After therapy with topic...