Cholelithiasis and Biliary Colic vs Choledocholithiasis and Ascending Cholangitis
Cholelithiasis and Biliary Colic and Choledocholithiasis and Ascending Cholangitis are easy to mix up on the boards. Here's a side-by-side comparison — presentation, workup, imaging, and first-line treatment — drawn from our full outlines.
Cholelithiasis and Biliary Colic vs Choledocholithiasis and Ascending Cholangitis at a glance
- Cholelithiasis and Biliary Colic: Gallstones in the gallbladder; transient cystic duct obstruction causes episodic RUQ pain.
- Choledocholithiasis and Ascending Cholangitis: CBD stones cause obstructive jaundice; superimposed infection produces ascending cholangitis.
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Side-by-side comparison
| Feature | Cholelithiasis and Biliary Colic | Choledocholithiasis and Ascending Cholangitis |
|---|---|---|
| At a glance | Gallstones in the gallbladder; transient cystic duct obstruction causes episodic RUQ pain. | CBD stones cause obstructive jaundice; superimposed infection produces ascending cholangitis. |
| Classic presentation | Postprandial RUQ pain after fatty meal, lasting 1-5 h, recurrent over weeks to months, with gallstones on US.; Episodic, postprandial (especially after fatty meals) RUQ or epigastric pain; Pain builds over 15-30 min, plateaus, and resolves within 6 h (typically 1-5 h); Radiation to right scapula or interscapular area; Nausea, vomiting,… | Charcot triad (fever + RUQ pain + jaundice) in any patient with gallstones — assume cholangitis until proven otherwise; this is a surgical/endoscopic emergency.; Choledocholithiasis: RUQ pain, jaundice, dark urine, pale stools, pruritus; Cholangitis (Charcot triad): fever, RUQ pain, jaundice; Cholangitis (Reynolds pentad): Charcot triad… |
| Workup / key labs | CBC, BMP, LFTs — all typically normal in uncomplicated biliary colic; Lipase — exclude pancreatitis; Elevated bilirubin or alk phos raises concern for CBD obstruction | ASGE risk stratification for CBD stones (2019): High probability (any 1 of: CBD stone on imaging; total bilirubin >4 mg/dL WITH a dilated CBD; or clinical ascending cholangitis) → proceed to ERCP. Intermediate (CBD dilation + elevated LFTs + bilirubin 1.8-4) → MRCP or EUS. Low → cholecystectomy alone. Tokyo Guidelines TG18 for… |
| Imaging | RUQ ultrasound — first-line; sensitivity >95% for gallstones >5 mm; identifies gallbladder wall, CBD diameter, signs of cholecystitis; MRCP — for suspected CBD stones; EUS — most sensitive for small CBD stones; HIDA scan — assesses gallbladder ejection fraction; <35% supports symptomatic gallbladder dysmotility (functional gallbladder… | RUQ ultrasound — first-line; identifies gallstones, dilated CBD (>6 mm in patients <60, >8 mm post-cholecystectomy), but sensitivity for CBD stones only 20-50%; MRCP — non-invasive, high sensitivity (>90%) for CBD stones; EUS — most sensitive for small CBD stones; preferred when MRCP equivocal; ERCP — diagnostic AND therapeutic;… |
| First-line treatment | Asymptomatic cholelithiasis — observation; NO routine cholecystectomy; Symptomatic cholelithiasis (biliary colic) — elective laparoscopic cholecystectomy; Analgesia (NSAIDs preferred — also reduce risk of progression to cholecystitis); Antiemetics; Dietary advice — low-fat diet may reduce attacks while awaiting surgery | Resuscitation: IV fluids, hemodynamic support; Broad-spectrum IV antibiotics covering Gram-negative and anaerobes — piperacillin-tazobactam, ceftriaxone + metronidazole, or carbapenem for severe sepsis/multi-drug-resistant risk; URGENT biliary drainage by ERCP with sphincterotomy and stone extraction — within 24-48 h for moderate… |
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