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Perforating GB mucocele with thickened common bile duct (CBD) and pancreatitis in a 15 year old MN Maltese-Poodle mix dog

Case Study

Perforating GB mucocele with thickened common bile duct (CBD) and pancreatitis in a 15 year old MN Maltese-Poodle mix dog

A 15-year-old MN Malti-poo was presented for progressive lethargy, anorexia, and weight loss. Physical exam found patient icteric, with a painful cranial abdomen. Blood chemistry revealed mild hyperglycemia, hyperbilirubinemia, hypercholesterolemia, elevated Alkaline Phosphatase, high ALT, high AST, and high GGTP. CBC found leukocytosis, neutrophilia, high bands, monocytosis and high platelet count.

A 15-year-old MN Malti-poo was presented for progressive lethargy, anorexia, and weight loss. Physical exam found patient icteric, with a painful cranial abdomen. Blood chemistry revealed mild hyperglycemia, hyperbilirubinemia, hypercholesterolemia, elevated Alkaline Phosphatase, high ALT, high AST, and high GGTP. CBC found leukocytosis, neutrophilia, high bands, monocytosis and high platelet count.

Sonographic Differential Diagnosis

Perforating gallbladder mucocele. Thickened common bile duct. Guarded prognosis.

Image Interpretation

The liver presented swollen contour with heterogenic changes and increased portal markings. The gallbladder was dilated at 5cm with suspended debris and echogenic fat with a positive Murphy sign and minor free fluid associated with a double wall gallbladder and likely perforated cystic duct consistent with localized bile peritonitis. Often the right intercostal approach evidences the GB dilation and mucocele aspects more so than the subxyphoid approach. Dilated common bile duct with sludge material was also noted consistent with chronic biliary congestion.

DX

Perforating gallbladder mucocele, thickened common bile duct, pancreatitis.

Outcome

Cholecystectomy, liver biopsy, common bile duct (CBD) lavage, with possible urine culture and sensitivity if warranted was recommended. Patient was euthanized.

Comments

This GB mucocele is not particularly large but all aspects of an inflamed mucocele formation were present: Immobile suspended debris, dilation of the neck, + Murphy sign, and echogenic surrounding reactive fat. For more information on mucocele formation and clinical approach see our survey of clinical sonographers on the home page of sonopath.com or in resources. http://www.sonopath.com/resources_instructional.asp

Clinical Differential Diagnosis

Liver pathology: hepatitis- infectious, inflammatory, hepatopathy- toxic, metabolic, biliary mucocele, extrahepatic bile duct obstruction, cholecystitis; Pancreatic pathology: pancreatitis, infection, neoplasia.

Sampling

None taken.

Patient Information

Patient Name : Rusty G
Gender : Male, Neutered
Species : Canine
Type of Imaging : Ultrasound
Status : Complete
Liz Wuz Here : Yes
Code : 03_00106

Clinical Signs

  • Anorexia
  • Lethargy
  • Weight loss

Exam Finding

  • Abdominal Pain
  • Icterus

Images

03_00106_RustygCBD2_0715201102364403_00106_Rustygmucocele1_0715201102363603_00106_Rustygcbd3_07152011023652F6B108A0-4557-470C-A969-A1514CE7C30A_04242011124003

Blood Chemistry

  • Alkaline Phosphatase (SAP), High
  • ALT (SGPT), High
  • AST (SGOT), High
  • Cholesterol, High
  • GGT High
  • Glucose, High
  • Total Bilirubin, High

CBC

  • Monocytes, High
  • Neutrophils, High
  • Platelet Count, High
  • WBC, High

Clinical Signs

  • Anorexia
  • Lethargy
  • Weight loss