Skeletal Muscle Metastasis as an Initial Presentation of Follicular Thyroid Carcinoma: A Case Report and a Review of the Literature

Table 1

Cases of skeletal muscle metastasis secondary to thyroid carcinoma reported from 1990–2012.

Author	Age	Site	Variant	Treatment	Survival; after diagnosis of skeletal metastasis
Bae et al. [4]	31 years female	Vastus medialis	Classical PTC	Surgical resection + RAI	24 months
Chaffanjon et al. [5]	53 years	Gluteus maximus	Classical PTC	Surgical resection + RAI	NA
Panoussopoulos et al. [6]	NA	Trapezoid	FTC	Surgical resection + RAI	NA
Bruglia et al. [7]	44 years male	Biceps femoris	Classical PTC	Surgical resection + RAI	24 months
Qiu et al. [8]	NA	Erector spinae	FTC	Surgical resection + RAI	NA
Zhao et al. [9]	NA	Rectus abdominis	Classical PTC	Surgical resection + RAI	NA
Present case	45 years female	Gluteus medius	FTC	EBRT + TT + RAI	Alive at 9 months

NA: not available, RAI: radioactive iodine ablation, EBRT: external beam radiation therapy, TT: total thyroidectomy, PTC: papillary thyroid carcinoma, and FTC: follicular thyroid carcinoma.