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Table 2 Skull base tumor characteristics

From: Treatment of malignant tumors of the skull base with multi-session radiosurgery

 

Study Group

Volume (cc)

 

   Min

3.2

   Max

206.5

   Mean

41.6

   Median

18.3

Histology

 

   Adenoid cystic carcinoma

5

   Breast cancer

1

   Chondrosarcoma

1

   Ewing sarcoma

2

   Hemangiopericytoma

1

   Hepatocellular carcinoma

1

   Leiomyosarcoma

1

   Melanoma

3

   Papillary thyroid carcinoma

1

   Parotid adenocarcinoma

2

   Renal cell carcinoma

3

   Rhabdomyosarcoma

2

   Spindle cell carcinoma

1

   Squamous cell carcinoma

6

   Transitional cell carcinoma

1

Location

 

   Cavernous sinus

8

   Cribriform plate

1

   CP angle/IAC

2

   Ethmoid

1

   Foramen magnum

1

   Foramen ovale

1

   Infratemporal fossa

3

   Jugular foramen

1

   Middle fossa

2

   Parasellar

1

   Orbit

7

   Petroclival

3

Goal of CyberKnife treatment

 

   Primary treatment for local disease (%)

18 (58)

   Secondary treatment (%)

13 (42)

Previous treatment

 

   Previous craniofacial surgery

6

   Previous external beam radiation

4

   Previous stereotactic radiosurgery

1

Previous biopsy only (%)

4