N20.1

Clinical Causes: Excessive concentration of mineral salts in the urine leading to crystal formation. Dehydration, which reduces urine volume and promotes stone formation. Obstruction or narrowing in the urinary tract that impedes normal urine flow. Certain medical conditions, such as hyperparathyroidism, that increase stone-forming substances. Dietary factors high in salt, protein, or oxalates. Genetic predisposition to forming kidney stones. Urinary tract infections that alter urine chemistry. Extended immobility or sedentary lifestyle leading to decreased urinary flow.

Key Symptoms: Sudden, severe pain in the back or side, often radiating to the groin or abdomen. Hematuria, or blood in the urine, causing it to look pink, red, or brown. Pain during urination or a persistent urge to urinate. Nausea and vomiting, frequently accompanying severe pain. Cloudy or foul-smelling urine. Fever and chills if an infection develops due to the stone.

Diagnosis Path: Diagnosis of ureteral calculus typically involves a combination of medical history review, physical examination, and imaging tests. Imaging studies such as non-contrast CT scans are highly effective at detecting stones and determining their size and location. Ultrasound imaging can also be used, especially in specific populations. Urinalysis helps identify blood, infection, or abnormal crystals. Blood tests may be performed to evaluate kidney function and to check for underlying metabolic issues contributing to stone formation.

Treatment Protocols: Management of ureteral stones depends on the size, location, and severity of symptoms. Common treatment options include: - Pain relief medications to manage discomfort. - Hydration strategies to facilitate stone passage. - Medical expulsive therapy with medications like alpha-blockers to relax ureter muscles and promote stone passage. - Procedures such as extracorporeal shock wave lithotripsy (ESWL) to break larger stones into smaller, passable fragments. - Ureteroscopy to directly remove or break the stone using a thin tube inserted through the urethra and bladder. - Surgery in cases where other methods are ineffective or complications arise, including open surgical removal. Preventive measures involve dietary adjustments, increased fluid intake, and addressing underlying health issues to reduce the risk of future stone formation.