We studied the reliability of teledermatology diagnoses made using a Web-based system. Clinical photographs and information relating to 125 patients were placed on a Web server. Three dermatologists made the most likely diagnosis via a Web interface. The reference diagnosis was made in a face-to-face consultation with a fourth dermatologist; where appropriate it was confirmed histologically. The teledermatologists were correct in 57% of cases when viewing the images alone. Their diagnostic accuracy improved to 70% when additional clinical information was available. The rate of agreement between the teledermatologists ranged from 44% to 70% (kappa= 0.22-0.32). Seventy-seven per cent of the patients were correctly diagnosed by at least two dermatologists when clinical information was provided. A Web-based system appears to be reliable for teledermatology. A single well trained teledermatologist may give better results than a group of less well trained clinicians.
We postulate that HLA-B35, B44, CW4, DR4, DR14, DQ4 and DQ8 antigens may be responsible for susceptibility to pemphigus while HLA-DR11, DQ7 and DQ2 antigens may have a protective role in the Turkish population.
These findings indicate a discordant expression of bcl-2 and bax/bcl-x in psoriatic epidermis. Increased bcl-x expression might contribute to the antiapoptotic response in psoriatic keratinocytes. The presence of strong bax expression with a concomitant decrease in bcl-2 expression suggests either a functional defect in bax protein or an inherent/acquired resistance to bax-mediated apoptosis in psoriatic keratinocytes.
PUVA and PUVA+INF-alpha are effective treatment modalities, especially for early stage MF. Once the disease has progressed, both MF and SS are very resistant to treatment regimens, including chemotherapeutic agents. It is important to diagnose and treat these diseases, especially MF, in the early stages for lasting remission.
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