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Introduction: Rethinking Sildenafil in Modern Medicine The story of phosphodiesterase-5 (PDE-5) inhibitors begins with a pharmacological accident that became a clinical revolution. Originally developed to treat angina, sildenafil rapidly transitioned into a first-line therapy for…

Introduction: From Erectile Physiology to Urological Microcirculation Phosphodiesterase-5 (PDE-5) inhibitors were originally introduced into clinical practice as a revolutionary therapy for erectile dysfunction. Over time, however, their pharmacological relevance has extended far beyond the penile…

Pulmonary arterial hypertension (PAH) remains one of the most challenging entities in cardiovascular and pulmonary medicine. It is rare, progressive, and, if left untreated, relentlessly fatal. Yet over the past three decades, the therapeutic landscape…

Introduction: A Common Condition Hidden in Plain Sight Erectile dysfunction (ED) is not a rare or marginal condition. It is a highly prevalent, age-associated, vasculogenic and psychosocial disorder that affects quality of life as profoundly…

Introduction Penile fibrosis represents one of the most complex and underappreciated pathophysiological processes contributing to erectile dysfunction (ED). It lies at the intersection of vascular compromise, smooth muscle apoptosis, hormonal deficiency, oxidative stress, and chronic…

Introduction Radical prostatectomy remains a cornerstone in the management of localized prostate cancer. While surgical refinements and nerve-sparing approaches have significantly improved outcomes, erectile dysfunction (ED) continues to be one of the most prevalent and…

Introduction Cancer remains one of the greatest medical challenges of our era. While advances in genomics, immunotherapy, and targeted agents have transformed clinical outcomes in select cancers, metastasis and therapeutic resistance continue to drive mortality.…

Introduction The steady march of time leaves unmistakable footprints on the human body. While aging is a universal biological process, its consequences manifest with striking heterogeneity. Among the most insidious features of aging is the…

Introduction Cancer remains one of the greatest medical challenges of our time, not only because of its uncontrolled cell proliferation but also due to its intricate relationship with chronic inflammation. Over the past two decades,…

Introduction Erectile dysfunction (ED) is often portrayed as an inevitable part of aging, a silent yet pervasive condition that robs men of confidence and intimacy. However, the story is far more complex. ED is not…