Chordomas and chondrosarcomas of the skull base: treatment and outcome analysis in a consecutive case series of 24 patients

Table 3 Treatment and outcome summary for chondrosarcoma patients

Patient	Diagnosis	Initial treatment	Adjuvant therapy	Residual disease	Disease progression/recurrence	Further treatment	Survival	Follow-up from initial treatment
1	Left petrous apex chondrosarcoma	Open surgery	PBT	Yes	No	No	Yes	12 years
2	Left maxilla chondrosarcoma	Open surgery	No	No	Yes	Surgery + PBT	Yes	16 years
3	Petroclival chondrosarcoma	Open surgery	PBT	Yes	No	No	Yes	11 years
4	Clival chondrosarcoma	Transnasal endoscopic resection	PBT	Yes	No	No	Yes	10 years
5	Anterior skull base chondrosarcoma extending into left orbit	Transnasal endoscopic resection + open surgery	PBT	Yes	Yes	Further surgery	No	9 years
6	Lateral skull base chondrosarcoma	Open surgery	PBT	Yes	No	No	Yes	10 years
7	Cavernous sinus chondrosarcoma	Open surgery	PBT	Yes	No	No	Yes	8 years
8	Cavernous sinus chondrosarcoma	Transnasal endoscopic resection + open surgery	PBT	Yes	Yes	Further endoscopic resection	Yes	10 years
9	Dorsum of sella chondrosarcoma	Transnasal endoscopic resection	PBT	Yes	No	No	Yes	7 years
10	Central skull base chondrosarcoma	Surgery abroad—details unknown	PBT	No	No	No	Yes	23 years
11	Paracavernous/petrous apex chondrosarcoma	Open surgery	Nil	Yes	No	Further surgery	Yes	9 years
12	Petrous bone chondrosarcoma	Open surgery	IMRT	No	No	No	Yes	3 years
13	Petroclival chondrosarcoma	Open surgery	IMRT	Unknown	Yes	Transnasal endoscopic resection	Yes	15 years

ISSN: 1477-7819