These tumors include adenomas, cystadenomas, fibroadenomas, adenomyomas, and hamartomas. Adenomas, which are frequently associated with gallstones and cholecystitis, may have malignant potential. Symptoms and signs may be nonexistent, vague, or typical of acute or chronic cholecystitis. Diagnosis is made by demonstrating a filling defect in the gallbladder. For small lesions, follow-up consists of ultrasound examination [...]
The liver is the most common site of metastasis from other cancers. Liver metastases arc found at autopsy in 30% to 50%> of patients with cancer. Primary malignancy of the liver is rare in the USA and Western Europe but common in Africa and Asia. About 90% of primary adult hepatic cancers originate in the [...]
Gallbladder malignancy has been reported in 0.2% to 5% of patients undergoing cholecystectomy, mostly women between ages 60 and 70. Adenocarcinoma accounts for 80% of gallbladder malignancies; squamous cell carcinoma and adenoacanlhoma account for the remaining 20%. Metastasis is found in 75% of cases a! the lime of diagnosis. WorkÂers in rubber and automotive plants [...]
