Publications by authors named "Ahmad Hefnawy"

This retrospective study examines 58 transgender women who presented with cosmetic concerns following gender-affirming vaginoplasty between January 2020 and April 2023. The cohort's mean age was 36.8 years (±9.

View Article and Find Full Text PDF

Purpose: To evaluate the role of urinary hyaluronic acid (HA) as a diagnostic marker in urothelial carcinoma (UCC), squamous cell carcinoma (SCC), and adenocarcinoma (ADC) of urinary bladder and compare it with urine cytology.

Methods: HA was estimated in 170 subjects divided into three groups. Group I: UCC 88 patients, 28 with SCC and 12 with ADC; group II: 34 patients with benign bladder tumors; and group III: 10 healthy bladders.

View Article and Find Full Text PDF

β-type titanium alloys are promising materials in the field of medical implants. The effect of β-phase stability on the mechanical properties, corrosion resistance and cytotoxicity of a newly designed β-type (Ti77Nb17Ta6) biocompatible alloys are studied. The β-phase stability was controlled by the addition of small quantities of Fe and O.

View Article and Find Full Text PDF

Purpose: To review our experience of tubularized incised plate (TIP) urethroplasty in children with hypospadias defects.

Methods: Of 500 children (mean age 6 years) who received a TIP urethroplasty, 439 (87.8%) had primary hypospadias and 61 had one failed previous repair.

View Article and Find Full Text PDF