Rapidly aggravated skeletal muscle metastases from an intrahepatic cholangiocarcinoma

Table 1 Clinical features of patients with skeletal muscle metastasis

Patient No. (Ref.)	Age (yr)/sex	Ethnicities	Primary origin CC	Metastatic sites	Treatment	Follow-up (mo)	Outcome
1[14]	48/F	NA	Extrahepatic-	Rectus femoris	Resection	8	Dead
2[15]	45/M	Asian	Intrahepatic	Paraspinal muscle in thorax, buttock	Chemotherapy, Radiation	4	Dead
3[4]	44/M	Asian	Intrahepatic-	Bilateral psoas and spinal erector muscles	NA	NA	NA
4[16]	69/W	NA	Extrahepatic-	Psoas and iliacus muscles	Radiation	2	Dead
5[17]	72/M	NA	NA	Calf muscle	Resection	NA	NA

CC: Cholangiocarcinoma; NA: Not applicable.