Scalp metastasis from gallbladder cancer： an unusual case

Gallbladder cancer is the most common malignant tumor of the biliary tract and the fifth most common malignancy of the gastrointestinal tract, In general, metastases of gallbladder carcinoma tends to occur in the regional lymph nodes and liver, while extra-abdominal and blood-borne metastases are relatively infrequent. Here we present an unusual case presenting with scalp metastasis from gallbladder cancer. To the best of our knowledge, only two similar cases have been documented in published literatures.