# Patient has ______ stone causing complete ureteral obstruction.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=168368  
> language: ko  
> subject: Diseases of the genitourinary system

## 문제

Patient has ______ stone causing complete ureteral obstruction.

ER Season 13 Episode 7

## 보기

1. ureteral **✔ 정답**
2. renal
3. bladder
4. staghorn
5. struvite

**정답: 1**

## 해설

Ureteral' stones causing complete obstruction require urgent intervention to prevent kidney damage.

## 임상 시나리오

Key Learning Points:

1. Types of Urinary Stones:
- Ureteral stones: Located in ureter
- Renal stones: Found in kidney
- Bladder stones: Present in bladder
- Staghorn calculi: Large branching stones
- Struvite stones: Magnesium ammonium phosphate

2. Ureteral Obstruction:
- Complete vs. partial obstruction
- Risk of hydronephrosis
- Potential kidney damage
- Emergency intervention needed

3. Clinical Manifestations:
- Renal colic
- Flank pain
- Hematuria
- Nausea/vomiting
- Urinary urgency

4. Diagnostic Methods:
- CT scan
- Ultrasound
- KUB radiograph
- Urinalysis
- Serum creatinine

5. Treatment Options:
- Ureteroscopy
- ESWL (Extracorporeal Shock Wave Lithotripsy)
- Stent placement
- Medical expulsive therapy
- Surgical intervention

## 핵심 개념

- **ureteral stone** — A calculus located within the ureter causing blockage of urine flow from kidney to bladder
- **renal stone** — A calculus formed in the kidney, also known as kidney stone or nephrolith
- **bladder stone** — A calculus that forms in the urinary bladder, also called vesical calculus
- **staghorn stone** — A large branching kidney stone that fills the renal pelvis and extends into the calyces
- **struvite stone** — A type of kidney stone composed of magnesium ammonium phosphate, usually associated with urinary tract infections

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