Molluscum contagiosum (MC) is common in human immunodeficiency virus (HIV) seropositive and immunocompromised patients. This study evaluates the current literature concerning the clinical features of MC in this population, the utility of MC as a predictor of immunocompromised state and the natural history of MC and HIV in patients with these co-morbidities. PubMed database search for English-written original studies found 10 of them, all enrolled for HIV patients. There was no unique feature of MC in adult HIV patients; nevertheless, the appearance of MC lesions in adult men should require evaluation for immunocompromised state. In HIV-positive patients, MC tends to occur during the advanced phase of the disease. MC in children is rarely associated with immunodeficiency and usually no further evaluation is needed. In patients with known HIV infection, the presence of MC may signify advancing immunosuppression.
Our study suggests that permethrin 1% was the most cost-effective treatment for those with a willingness to pay of <$US162 per cure. Sensitivity of lice to permethrin and the specific school head lice policy had major effects on the model. Thus, informing communities in a given geographical area about the degree of head lice resistance and sensitivity is necessary in order for the public to make a rational decision regarding treatment. Schools' head lice policies have a major effect on the cost of head lice treatments.
Treatments with abscisic acid (ABA), succinic acid‐2,2‐dimethylhydrazide (SADH), or 2 chlorethyl phosphonic acid (ethephon) promoted the tuberization of dahlia plants in long‐days. This effect was smaller, however, than the effect short days have on tuberization. In contrast, gibberellic acid (GA) treatments inhibited tuberization. SADH and ethephon treatments of budless leaf‐cuttings inhibited tuberization whereas ABA treatments slightly enhanced it. Evolution of endogenous ethylene reached a peak between the second and third week after the start of short‐day treatments, and then decreased to the low level found in plants growing under long days. The peak in ethylene evolution occurred one week before the onset of tuberization.
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