Leiomyosarcoma Ex Pleomorphic Adenoma of the Parotid Gland: A Case Report and Literature Review

Table 1

Literature review of eight primary parotid leiomyosarcomas.

Study	Age (years)	Gender	Presenting symptoms	Metastases	Treatment	Local recurrence	Followup
[2]	59	Female	Not reported	None	SX, RT	No	In remission 9 years postop.
[3]	78	Male	Painless mass	None	SX	No	In remission 5 years postop.
[4]	8	Male	Painless mass	Lungs	CRT	N/A	Lost to followup
[5]	45	Female	Painless mass	None reported (only local extension)	RT	N/A	Expired 5 years after presentation. Tumor directly extended into ipsilateral temporal lobe penetrating the orbit, maxillary sinus, zygomatic arch, ethmoid bone, sella turcica, and nares
[6]	33	Female	Painless mass	Lymph nodes & scalp	SX, RT	No	In remission 5 years postop.
[7]	17	Female	Painful mass	Lymph nodes	SX (three times, the last included excision of SCM and block dissection of cervical lymph nodes)	Thrice	Not reported
[8]	44	Male	Painless mass	None	SX, RT	No	In remission 3 years postop.
[9]	36	Male	Painful mass	Lymph nodes & facial nerve	SX, CRT	No	Not reported

SX: surgical excision; RT: radiation therapy; CRT: chemoradiation; N/A: not applicable.