Tissue expansion in reconstructive surgery. A case report.

A case is reported in which serial expansion was used to create scalp and forehead flaps of superior quality skin and subcutaneous tissue to cover a central forehead defect. The background and principles governing this surgery are discussed.

Macrodactyly. A review with a case report.

Macrodactyly is an unsightly congenital abnormality of a digit (of the hand or foot) usually requiring multiple surgical procedures. A poor cosmetic result (usually more acceptable than the original finger, but still aesthetically unsatisfactory) is often the outcome. The surgical procedures which may be utilized for this problem are numerous, ranging from ablation of the digit as a primary surgical procedure to numerous defatting procedures combined with other techniques.

Preliminary investigations of the effects of low-level microwave radiation on spontaneous motor activity in rats.

Male rats were irradiated with microwaves of 10.7 GHz (cw), 3 GHz (cw), or 3 GHz (pw) for 185 hr with power densities of approximately 1 mW/cm-2. Spontaneous activity was automatically measured and analyzed in five amplitude classes, after irradiation had ceased. No differences were found between the irradiated and the similarly treated nonirradiated control rats. A few rats were exposed for 17 days to 3 GHz (pw) at 25 mW/cm-2. Here, again, the spontaneous motor activity was not affected. Before irradiation, these rats had been trained to constant peak performance in a 2-m long runway. Their running times remained unchanged by this treatment regimen and did not differ from those of nonirradiated control rats. So far, no deleterious effects of the microwave radiation used has been detected.