Alt Üriner Sistem Taşlarında Tanı ve Tedavi
Özet
Alt üriner sistem taşlarının iki yaygın türü olan mesane ve üretra taşları, tüm üriner sistem taşlarının sırasıyla yaklaşık yüzde 5'ini ve yüzde 0,3'ünü oluşturmaktadır. Erkeklerde ve gelişmekte olan ülkelerde daha sık gözlenen bu taşlar; primer, sekonder ve migrasyon taşları olarak üç grupta sınıflandırılır. Primer taşlar genellikle çocuklarda ve yetersiz hidrasyon ya da beslenme eksikliklerine bağlı görülürken, sekonder taşlar mesane çıkım obstrüksiyonu gibi idrar stazına yol açan patolojilerden kaynaklanır; migrasyon taşları ise üst üriner sistemden mesaneye ulaşır. Hastalar çoğunlukla kesintili idrar yapma, hematüri ve sık idrara çıkma gibi semptomlarla başvururlar; tanı aşamasında dış genital muayene, idrar analizi, üroflowmetri, laboratuvar testleri, DÜSG, USG ve BT gibi görüntüleme yöntemlerinden yararlanılır. Tedavide konservatif izlem, kemolizis ve ESWL gibi invaziv olmayan seçeneklerin yanı sıra, günümüzde daha az hastanede kalış süresi sunan transüretral veya suprapubik perkütan sistolitotripsi gibi endoskopik yöntemler ön plana çıkmaktadır. Ayrıca spinal kord yaralanmaları, üriner diversiyon ve benign prostat hiperplazisi gibi özel klinik durumlarda, taş oluşum mekanizmaları ve tedavi yaklaşımları hastaya özgü olarak değişiklik gösterir.
Bladder and urethral stones, the two common types of lower urinary tract stones, constitute approximately 5% and 0.3% of all urinary tract stones, respectively. More frequently observed in men and developing countries, these stones are classified into three groups: primary, secondary, and migration stones. While primary stones are generally seen in children due to inadequate hydration or nutritional deficiencies, secondary stones originate from pathologies causing residual urine, such as bladder outlet obstruction, and migration stones descend to the bladder from the upper urinary tract. Patients usually present with lower urinary tract symptoms like intermittent voiding, hematuria, and frequency; diagnostic evaluation utilizes physical examination, urinalysis, uroflowmetry, laboratory tests, and imaging modalities including KUB, USG, and CT. For treatment, alongside non-invasive options like conservative management, chemolysis, and ESWL, endoscopic approaches such as transurethral or suprapubik percutaneous cystolithotripsy, which offer shorter hospital stays, have become prominent nowadays. Furthermore, in special clinical conditions such as spinal cord injuries, urinary diversion, and benign prostatic hyperplasia, stone formation mechanisms and treatment approaches vary specifically to the patient.
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