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Table 1 International Neuroblastoma Pathology Classification

From: Adult onset of ganglioneuroblastoma of the adrenal gland: case report and review of the literature

Category and subtype

Pathology classification

Neuroblastoma (Schwannian stroma-poor)

FH and UH subgroups, based on the combination of age, grade of neuroblastic differentiation, and MKI

 Undifferentiated

 Poorly differentiated

 Differentiating

Ganglioneuroblastoma, intermixed (Schwannian stroma-rich)

FH

Ganglioneuroma(Schwannian stroma-dominant) FH

FH

 Maturing

 

 Mature

 

Ganglioneuroblastoma, nodular (Schwannian stroma-rich/stroma-dominant and stroma-poor)

UHa

  1. FH favorable histology, UH unfavorable histology, MKI mitosis-karyorrhexis index
  2. aTumors in this category were classified into an unfavorable histology group according to the International Neuroblastoma Pathology Classification