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Table 1 A detailed list of histological diagnoses included in the molecular epidemiology study, with reference to the WHO classification of tumours (WHO, 1991). SNOMED, Systemic Nomenclature of Medicine and the distribution of the histology of the samples.

From: K-rasmutations in sinonasal cancers in relation to wood dust exposure

WHO code SNOMED 1991 Diagnosis Comments Subtype Distribution in the study
1.2.1 8121/3 Sinonasal carcinoma SNUC, refer to IHC Not othervice specified
Undifferentiated
6
1
1.2.1.1 8070/3 Squamous cell carcinoma   keratinising and nonkeratinising
associated with inverted papilloma
104
3
1.2.1.2 8121/3 Cylindrical cell carcinoma    -
1.2.2 8051/3 Verrucous squamous cell carcinoma    2
1.2.3 8074/3 Spindle cell carcinoma    -
1.2.4 8140/3 Adenocarcinoma   Low grade
low grade – acinic like
high grade
11
1
22
1.2.5 8260/3 Papillary adenocarcinoma    1
1.2.6 8144/3 Intestinal-type adenocarcinoma    23
1.2.18 8041/3 Small cell carcinoma Probably metastasis from primary lung tumour   -
1.2.19 8082/3 Lymphoepithelial carcinoma    -
1.2.15 8560/3 Adenosquamous carcinoma    -