Kadish staging system [Neurosurgery Wiki]

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====== Kadish staging system ======


The modified Kadish system:

A: Confined to [[Nasal Cavity]]

B: Extends to [[Paranasal Sinus]]

C: Local Extension (orbit or [[cribriform plate]])

D: Distant [[metastases]]

((Chao KS, Kaplan C, Simpson JR, et al. Esthesioneuroblastoma: the impact of treatment modality. Head Neck. 2001; 23:749–757))
(which added category D to the original Kadish system
((Kadish S, Goodman M, Wang CC. Olfactory neuroblastoma. A clinical analysis of 17 cases. Cancer. 1976; 37:1571–1576))). 

This classification appears to correlate with [[survival]].
((Chao KS, Kaplan C, Simpson JR, et al. Esthesioneuroblastoma: the impact of treatment modality. Head Neck. 2001; 23:749–757))
Alternative systems by Biller et al
((Biller HF, Lawson W, Sachdev VP, et al. Esthesioneuroblastoma: surgical treatment without radia- tion. Laryngoscope. 1990; 100:1199–1201))
and Dulguerov and Calcaterra
((Dulguerov P, Calcaterra T. Esthesioneuroblastoma: the UCLA experience 1970-1990. Laryngoscope. 1992; 102:843–849)) 
attempt to subdivide the Kadish C classification; however, the more popular modified Kadish staging system is more frequently used.