the patient was a 69 year-old man suffering from benign prostatic hypertrophy (bph), who was candidate for transurethral resection of prostate (turp) surgery with 980nm diode laser. at the end of the operation, the surgical team noticed abdominal distention. so with suspicion to an acute abdominal problem he underwent an exploratory laparotomy. during the surgery it was found that patient had e...

The authors report the case of a 4-year boy who required anaesthetic and surgical care during LASER excision of laryngeal papillomatosis. He presented with hoarseness and stridor and underwent emergency tracheostomy after confirmation of laryngeal papillomas on CT scan. He required LASER treatment under general anaesthesia with a requirement of paediatric LASER-safe endotracheal tube but unfort...

Under general anesthesia and sterile conditions, incision wound was induced in the hard palate mucosa of adult male mice. The wounds of groups 1 and 2 were irradiated daily with He-Ne laser at 3 and 7.5 J/cm2 for 120 and 300 s, respectively, while the incision wound of group 3 not exposed served as controls. On day 3 of injury, the laser-treated wounds contained significantly lower neutrophils ...

This paper presents the calculation of amplitude and relative phase of signals at the three outputs available in a self-mixing interferometer, i.e. the front output on the target side, the back output on the rear of the chip, and, for diode laser, the junction voltage output. Front and rear outputs are observed to be in phase for the He-Ne laser while they are in phase opposition in the diode l...

A 53 year-old male gynecologist presented with human papillomavirus (HPV) 16 positive tonsillar squamous cell carcinoma. He had no identifiable risk factors with the exception of long term occupational exposure to laser plumes, having performed laser ablations and loop electrosurgical excision procedures (LEEP) on greater than 3000 dysplastic cervical and vulvar lesions over 20 years of practic...

Submandibular gland of the rat during the first week of postnatal development was used for the study of the ultrastructural changes after the He-Ne laser radiation. In the experimental group we observed an increase of the dark cells with greater quantity of the granular endoplasmic reticulum and an increased number of specific secretory granules. These changes show positive biostimulative effec...

Two-electron sum-momentum distributions from nonsequential double ionization of He in an intense laser field are analyzed. The results of a S-matrix calculation show that the inelastic scattering of the first electron with the residual ion is best considered as a ~internal! laser-induced impact ionization. The parallel component of the sum momentum is found to be largest when the prescattering ...