Infrared (IR) properties of k-(ET-C4)2Cu(CN)[N(CN)2] crystals in the normal (metallic) phase are reported. Deviations from conventional metallic properties are found and assigned to a strong electron correlation effect. # 2002 Elsevier Science B.V. All rights reserved.

Palmoplantar keratoderma (PPK) is a heterogeneous group of disorders. Epidermolytic PPK is a well delineated autosomal dominant entity, but no recessive form is known. Here we report two sons of phenotypically normal, consanguineous, Arab parents with features suggestive of PPK. They presented with patchy eczematous skin lesions followed by PPK and raised serum levels of IgE. Skin biopsy from t...

Clouston syndrome (hidrotic ectodermal dysplasia) is characterized by the clinical triad of nail dystrophy, alopecia and palmoplantar hyperkeratosis. Clouston syndrome is transmitted as an autosomal dominant trait and caused by mutations in the GJB6 gene (13q12), encoding the gap junction protein connexin 30 (C × 30). At present, there is no treatment for the disease and management is purely su...

Chloroquine is the drug very frequently used for the treatment of malaria. It is also used in amebiasis, rheumatoid arthritis, and various dermatological conditions. Chloroquine can cause muscle problems, loss of appetite, and diarrhea as a side effect. Cutaneous toxicity includes pruritus, hair loss, photosensitivity, and color changes. Exfoliation of skin over palms and soles is caused by che...

A 51-year-old man reported with progressive thickening of the skin of the hands and feet since the age of 6yrs. It was largely asymptoma c; however, brisk walking caused excessive swea ng, pain, and widening of the fissures on the soles of the feet. He also had scaly raised lesions on legs and knees. His mother, maternal aunt, cousin and nephew had similar lesions. Examination of the soles of f...

A 9-year old boy had severe muscle weakness and typical skin rash and EMG with diagnosis of dermatomyositis associated with erythrodermia with islands of normal skin and palmoplantar hyperkeratosis, which was reported. As PRP in skin biopsy. Association dermatomyositis with PRP is very rare.