Skip to main content

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