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Here is a comprehensive overview of bile leak with drain — combining the best textbook content and clinical images found.

Bile Leak with Drain — Clinical Overview


1. What Is a Bile Leak?

A bile leak occurs when bile escapes from the biliary tree — most commonly after cholecystectomy (from the cystic duct stump or a duct of Luschka), hepatic resection, or biliary reconstruction. When a drain was placed in the operative bed, bilious output from the drain is often the earliest sign.
Clinical features:
  • Fevers, chills, right upper quadrant pain
  • Jaundice or leakage of bile from an incision
  • Bilious fluid in a surgically placed drain
  • Persistent anorexia or bloating
"Leakage of bile from an incision or into a drain … are common signs and symptoms." — Sabiston Textbook of Surgery

2. Imaging — CT & ERCP

CT Scan — Bile Leak After Cholecystectomy

(Schwartz's Principles of Surgery, 11e)
CT scan showing intraperitoneal bile collections (short arrows) and air/bile in the gallbladder bed (long arrow) after cholecystectomy
Figure A — CT abdomen: Short arrows indicate intraperitoneal fluid collections (biloma); the long arrow points to air and bile in the gallbladder bed, along with a surgical clip. This is the classic post-cholecystectomy bile leak appearance.

ERCP — Contrast Extravasation from Cystic Duct Stump

(Schwartz's Principles of Surgery, 11e)
ERCP showing contrast extravasation from cystic duct stump (arrow) — note filling of the pancreatic duct
Figure B — Same patient as CT above. ERCP demonstrates contrast extravasation from the cystic duct stump (white arrow). ERCP with sphincterotomy ± stenting is the primary treatment for high-output leaks.

Fluoroscopic Cholangiogram — Active Bile Leak with Drain

Cholangiogram showing contrast extravasation at the common bile duct (red arrow) and external surgical drain positioned near the leak site
Cholangiogram — Red arrow marks active contrast extravasation at the mid-CBD. An external surgical drain enters from the lower-left, with its tip positioned at the leak site to facilitate biliary decompression. Surgical clips are visible in the right upper quadrant. This is the classic image of a bile leak managed with percutaneous drainage.

3. Intraoperative Photos

Intraoperative Bile Duct Cannulation for Leak Testing (After Hepatic Resection)

Intraoperative photograph showing 12 Fr infant feeding tube cannulated into the cystic duct stump for intraoperative saline injection to identify bile leaks on the raw liver surface
A 12 Fr infant feeding tube (green) cannulated into the cystic duct stump for intraoperative saline injection — a technique used during hepatic resection to identify and ligate biliary leaks on the raw cut surface before closure.

Intraoperative — Bile Staining of Diaphragm (Chemical Peritonitis)

Intraoperative open abdomen showing bile staining (dark brownish-green discoloration, yellow arrowheads) on the left diaphragm surface with surrounding inflammatory hyperemia — evidence of bile peritonitis
Yellow arrowheads point to brownish-green bile staining on the under-surface of the left diaphragm — indicating a prior bile leak causing chemical peritonitis. Surrounding tissues show inflammatory hyperemia with serosanguinous fluid pooling.

4. Clinical Photo — Skin Discoloration After Retroperitoneal Bile Leak

Clinical photo of patient's abdomen showing yellowish-brown skin discoloration (icterus marginatus) from a retroperitoneal bile leak, with pen markings tracing prior extent and adhesive dressings over drain/port sites
Post-ERCP stenting: receding yellow-brown skin pigmentation (icterus marginatus) from a retroperitoneal bile leak. Pen marks trace the previous extent of discoloration, showing improvement. Small adhesive dressings cover laparoscopic port/drain sites. A rare but dramatic clinical sign.

5. Management Summary

OutputManagement
Low output (<300 mL/day)Drain in place → may dry up spontaneously
High output (>300–500 mL/day)ERCP + sphincterotomy ± biliary stent
Peritonitis / non-localizableLaparoscopic washout + subhepatic drain placement
Inaccessible percutaneouslyLaparoscopic approach — do NOT attempt to repair the leak directly
Persistent >6 weeksSuspect unrecognized bile duct injury; surgical reconstruction after inflammation resolves
"No attempt should be made to fix the leak; any such intervention is almost always unsuccessful and risks further biliary tree injury." — Sabiston Textbook of Surgery, 20e

Sources:
  • Sabiston Textbook of Surgery (20e) — Biliary Leak, p. 1847
  • Schwartz's Principles of Surgery (11e) — Extrahepatic Bile Ducts, Fig. 32-29
  • Current Surgical Therapy (14e) — Bile Leak & Postoperative Care

Diabetic / thickened gallbladder images

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Diabetic / thickened gallbladder images

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thickened gallbladder wall ultrasound diabetic cholecystitis

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emphysematous cholecystitis CT scan gas gallbladder diabetic

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Here is a comprehensive visual and clinical overview of diabetic / thickened gallbladder findings.

Diabetic & Thickened Gallbladder — Imaging Overview


The Diabetes–Gallbladder Connection

Diabetes affects the gallbladder in several important ways:
  1. Acalculous cholecystitis — Diabetes is a direct risk factor. Increased bile viscosity from stasis causes functional cystic duct obstruction without stones.
  2. Emphysematous cholecystitis — ~50% of cases occur in diabetics. Gas-forming organisms (e.g. Clostridium, E. coli) infect the ischemic gallbladder wall.
  3. Diabetic neuropathy — Denervated gallbladders may present without a sonographic Murphy's sign, masking the diagnosis.
  4. Gangrenous cholecystitis — More common in diabetics due to vascular compromise.
"Patients with denervated gallbladders, either as a result of diabetes or gangrenous cholecystitis, can present without a sonographic Murphy's sign." — Yamada's Textbook of Gastroenterology, 7e

Section 1 — Ultrasound: Thickened Gallbladder Wall

Acalculous Cholecystitis — Wall Thickness 8.3 mm

Ultrasound of gallbladder showing markedly thickened and edematous wall measured at 8.3 mm (normal <3 mm), anechoic lumen without stones, and pericholecystic fluid — classic acalculous cholecystitis
Ultrasound — Acute Acalculous Cholecystitis. Wall thickness measured at 8.3 mm (normal <3 mm). The lumen is anechoic — no stones. Pericholecystic fluid is present. This is the classical diabetic/ICU pattern: thickened wall, distended GB, no calculi.

Calculous Cholecystitis — Thickened Wall + Stone

Ultrasound showing thickened edematous gallbladder wall (measured by calipers) with a hyperechoic gallstone in the dependent portion (dashed circle) showing posterior acoustic shadowing
Acute Calculous Cholecystitis. Thickened, layered GB wall (measured by calipers). A hyperechoic stone (dashed circle) is visible in the dependent portion with posterior acoustic shadowing. Diabetic patients may present late or without typical Murphy's sign.

Acalculous Cholecystitis — Sludge + Wall Thickening

Ultrasound of gallbladder showing thickened hyperechoic wall with heterogeneous intraluminal echogenic material (biliary sludge/debris), no gallstones, and pericholecystic fluid — acalculous/hemorrhagic cholecystitis pattern
Acalculous / Hemorrhagic Cholecystitis. Thickened wall + intraluminal sludge/debris (no shadowing stone). Pericholecystic fluid layer. No gallstones. This pattern is typical in critically ill diabetic patients.

Xanthogranulomatous Cholecystitis — Focal Wall Thickening + Doppler

Dual panel ultrasound: Panel A shows focal base-of-gallbladder wall thickening with layered texture; Panel B shows color Doppler with absent flow in the thickened area (CDFI=0), categorized as GB-RADS 2 (low malignancy risk)
Xanthogranulomatous Cholecystitis. Panel A: focal wall thickening at the gallbladder base with layered texture. Panel B: Color Doppler shows absent flow (CDFI=0) — helps differentiate from carcinoma. Categorized GB-RADS 2 (low malignancy risk).

Cholecystitis — Stones + Sludge + Thickened Wall

Ultrasound gallbladder showing thickened edematous wall with internal sludge (low-level echoes) and multiple small gallstones with posterior acoustic shadowing, plus pericholecystic fluid
Cholecystitis — Stones + Sludge. Thickened wall, internal biliary sludge, multiple small echogenic stones with posterior shadowing, and pericholecystic fluid. A common combined picture in diabetic patients.

Section 2 — CT Scan: Emphysematous Cholecystitis in Diabetics

"About 50% of patients with emphysematous cholecystitis are diabetics and stones are present in less than 50%." — Grainger & Allison's Diagnostic Radiology

Emphysematous Cholecystitis — Coronal CT (Diabetic Patient)

Coronal non-contrast CT of the abdomen in a diabetic patient showing emphysematous cholecystitis: circumferential ring of intramural gas (low-attenuation/dark areas) within the gallbladder wall, intraluminal gas, significant wall thickening, and incidental chronic calcific pancreatitis
Emphysematous Cholecystitis — Diabetic Patient (Coronal CT). Circumferential intramural gas (dark ring) within the thickened GB wall — pathognomonic for emphysematous cholecystitis. Intraluminal gas also present. Incidental chronic calcific pancreatitis is visible. Surgical emergency.

Emphysematous Cholecystitis — Axial CT

Axial CT abdomen showing markedly distended gallbladder (long arrow) with thin walls and multiple focal air bubbles at the gallbladder neck (short arrows) — intramural/intraluminal gas from gas-producing organisms in a diabetic patient
Emphysematous Cholecystitis — Axial CT. Markedly distended GB (long arrow). Multiple focal air bubbles at the GB neck (short arrows) = intramural/intraluminal gas. Classic in elderly diabetic males; caused by gas-forming organisms. Requires urgent cholecystectomy or cholecystostomy.

Ultrasound Diagnostic Criteria Summary

FeatureNormalCholecystitis
Wall thickness<3 mm>3 mm (often >5 mm)
LumenClear, anechoicSludge, debris
StonesAbsentPresent (calculous) or absent (acalculous)
Pericholecystic fluidAbsentPresent
Murphy's signNegativePositive (but may be absent in diabetics)
Intramural gasAbsentEmphysematous type — surgical emergency

Sources:
  • Yamada's Textbook of Gastroenterology (7e) — Cholecystitis, p. 2663
  • Grainger & Allison's Diagnostic Radiology — Emphysematous & Acalculous Cholecystitis
  • Sabiston Textbook of Surgery — Acute Acalculous Cholecystitis
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