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Biomedical subjects

H Paraskevakou

Publications and source records attributed to H Paraskevakou.

20 records · Page 2Linked to original sources

Effect of dietary protein restriction on the development of renal failure after subtotal nephrectomy in rats.

We have examined the effect of a low protein diet on the development of glomerular sclerosis and progressive renal failure after subtotal nephrectomies in rats. Two groups of male Sprague-Dawley rats were studied after five-sixths nephrectomy; group 1 were maintained on a normal diet (13.5 g day-1 kg-1 body weight) and group 2 were fed with a low protein diet (6 g day-1 kg-1 body weight). Rats maintained on a low protein diet survived for longer, and had significantly less glomerular sclerosis and significantly greater glomerular filtration rates when the experiment ended after 7 months. We conclude that dietary protein influences favourably the development of glomerular scarring and renal failure after subtotal nephrectomy in rats.

Animals↗

Histological diagnosis of cutaneous "warty" carcinoma on a pre-existing HPV lesion.

A middle-aged man with an 8-year history of a fungating tumour mass on his thigh was histologically diagnosed as having an invasive "warty" carcinoma at the location of a pre-existing human papillomavirus (HPV) lesion. The tumour surface had a verruciform appearance with papillae containing fibrovascular cores. Many of the malignant cells displayed changes consistent with koilocytotic atypia. We noticed a greater degree of nuclear atypia in comparison with a verrucous carcinoma. Focally, some neoplastic cells demonstrated features of basaloid differentiation. Under in situ hybridization conditions, only HPV16 DNA, which is commonly associated with genital neoplasia, was detected selectively in rather superficial areas, corresponding to morphological evidence of HPV infection (i.e. koilocytotic atypia). It is worth noting that cutaneous location of such a warty carcinoma is very rare.

Carcinoma, Verrucous↗