Definition Narrowing of the urethra caused by various etiologies including congenital anomalies, trauma, infection, and neoplasia Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…
Definition A remnant of the most cranial portion of the mesonephric duct (Wolffian duct) attached to the head of the epididymis Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become…
Definition Testicular necrotizing vasculitis (inflammatory destruction of vessels with accumulation of fibrinoid material) that can be seen in various systemic disorders or as an isolated form Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access…
Definition A rare tumor differentiating toward specialized smooth muscle cells of the glomerular afferent arteriole in the juxtaglomerular apparatus; associated with renin production and hypertension Clinical features Epidemiology Rare tumor with fewer than 100 cases published Affects adolescents and young…
Definition Chronic infection of the renal parenchyma by a specific infectious agent Clinical features Epidemiology Uncommon, but more frequent in immunocompromised patients and transplant recipients. Common bacteria and fungi are the most frequent causative agents during the early post-transplantation period.…
Definition A clinicopathological entity characterized by inflammation in the renal interstitium with various etiologies, often secondary to an allergic reaction to a drug Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited…
Definition A clinicopathological entity with pathological changes in the renal tubules when ischemic or toxic injuries affect the kidney Clinical features Epidemiology Acute kidney injury (AKI) is the most common cause of acute renal failure. The precipitating events include ischemic…
Definition A clinicopathological syndrome characterized by a thrombotic microangiopathy induced by severe hypertension (systolic pressure greater than 220 mm Hg or diastolic pressure greater than 120 mm Hg) Clinical features Epidemiology The average age at diagnosis is 40 years, and…
Definition Pathological changes in the kidney induced by chronic mild to moderate hypertension Clinical features Epidemiology Hypertension affects 20%–40% of the population in Western society. Vascular diseases of the kidneys can be both a cause and a consequence of hypertension.…
Definition Pathologic changes secondary to chronic obstruction of the urinary outflow Clinical features Epidemiology Obstruction is more common in males during childhood (ureteropelvic obstruction, posterior urethral valves, and other congenital anomalies), in females during adulthood (gynecologic diseases), and in males…