A Review on Various Uses of N-Acetyl Cysteine.

N-acetyl cysteine (NAC), as a nutritional supplement, is a greatly applied antioxidant and . NAC is a precursor of L-cysteine that results in glutathione elevation biosynthesis. It acts directly as a scavenger of free radicals, especially oxygen radicals.

Inhaled fluticasone propionate reduces postoperative sore throat, cough, and hoarseness.

Background: Sore throat is a common complication after surgery. Postoperative cough and hoarseness can also be distressing to patients. We sought to determine the effect of an inhaler steroid on sore throat, cough, and hoarseness during the first 24 hours of the postoperative period.

Comparison of metformin treatment and laparoscopic ovarian diathermy in patients with polycystic ovary syndrome.

Objective: To compare hormone levels and clinical outcomes in patients with polycystic ovary syndrome (PCOS) after metformin therapy or laparoscopic ovarian diathermy (LOD) at 6 months follow-up.

Methods: A randomized trial was conducted in 126 patients with PCOS who had a history of infertility for at least 1 year and resistance to clomiphene citrate (CC). Patients (n=63) received metformin treatment or underwent LOD (n=63).

Evaluation of women presenting with postcoital bleeding by cytology and colposcopy.

Objective: To evaluate women with postcoital bleeding (PCB) by clinical examination, cytology, colposcopy, and histopathology.

Methods: A cross-sectional study of 123 women with PCB, who were referred to the Colposcopy Clinic of Arash Hospital, Tehran, over a 2-year period.

Results: Clinical examinations revealed cervical polyps in 18 women and ectropion in 14.