Skeletal muscle metastasis with bone metaplasia from colon cancer: A case report and review of the literature

Table 1 Clinical characteristics of patients with skeletal muscle metastasis from colon carcinoma reported in the English language literature

Ref.	Age/sex	Country	Primary carcinoma	Surgery	Metastasis site	Ossification	Interval (mo)	En bloc resection	Outcome
Laurence et al[12]	70/F	Argentina	Caecum	Right colectomy	Right calf	N	24	Y	Died soon for generalized metastases
Laurence et al[12]	51/M	Argentina	Transverse colon	Right colectomy	Right forearm	N	0	Y	Died soon for generalized metastases
Stulc et al[36]	74/M	United States	Ascending colon	Right hemicolectomy	Left buttock	NS	30	Y	NS
Torosian et al[37]	68/M	United States	Transverse colon	Right colectomy	Left thigh	N	60	Y	NS
Caskey et al[38]	62/M	United States	Transverse colon	NS	Left gluteus	NS	6	NS	NS
Caskey et al[38]	71/F	United States	Colon	NS	Right psoas	NS	NS	NS	NS
Araki et al[11]	66/M	Japan	Colon	Colectomy	Right teres major	NS	6	NS	Died after 2 yr and 7 mo from carcinoma
Stabler et al[17]	65/M	United Kingdom	Sigmoid cancer	Sigmoid colectomy	Left psoas	Y	24	NS	Died 2 yr after surgery
Avery et al[39]	71/M	United Kingdom	Sigmoid cancer	Sigmoid colectomy	Left psoas	NS	48	NS	NS
Yoshikawaet al[18]	54/M	Japan	Sigmoid cancer	Partialsigmoidcolectomy	Right buttock	Y	24	Y	Died after 8 mo from multiple metastases
Naik et al[40]	56/M	Malay	Right colon	Right hemicolectomy	Recuts abdominis	Y	60	Y	NS
Takada et al[41]	71/M	Japan	Sigmoid colon	Hartmann	Left iliopsoas	N	60	N	NS
Our present case	43/M	China	Ascending colon	Laparoscopicextendedrighthemicolectomy	Right thigh	Y	5	N	Died 9 mo after surgery

Time interval from the resection of the primary carcinoma to the skeletal muscle metastasis. N: No resection; Y: En bloc resection; NS: Not specified.