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Table 1 Describes the formalin fixed paraffin embedded (FFPE) tissue from biopsies of histologically confirmed nasopharyngeal carcinoma tissue and two corresponding controls from non-tumor tissue and two biopsies of patients with nasal polyposis from the Department of Pathology, George Washington University, DC, USA

From: Methods and matrices: approaches to identifying miRNAs for Nasopharyngeal carcinoma

Sample Histologic type WHO classification1 TNM2 Sex Age Ethnicity Origin History at presentation
Tumor FFPE
Tumor 1 Differentiated Non-keratinizing T4N2M0 M 46 Asian USA Right sphenoid mass; Right neck mass; bloody nasal discharge; facial numbness; headache
Tumor 2 Differentiated Non-keratinizing T3N0M0 F 80 Hispanic USA Right sphenoid mass; Right neck mass; bloody nasal discharge; facial numbness; headache
Tumor 3 Undifferentiated Non-keratinizing T4N2M0 M 47 Asian USA Large mass involving posterior wall of nasopharynx with superior extension and inferior involvement right oropharyngeal wall
Tumor 4 Undifferentiated Non-keratinizing T3N1M0 M 49 NA USA Right sided 3 cm neck mass; hypermetabolic activity in right nasopharynx on PET/CT
Control FFPE
Control 1 Non-neoplastic tissue adjacent to Tumor 1 Asian USA Sinonasal mucosa adjacent to NPC tumor
Control 2 Non-neoplastic tissue adjacent to Tumor 2 Hispanic USA Sinonasal mucosa adjacent to NPC tumor
Control 3 -- -- -- F 43 African-American USA Nasal polyposis with chronic rhinosinusitis; large nasopharyngeal mass
Control 4 -- -- -- M 65 NA USA Nasal polyposis with chronic rhinosinusitis; large nasopharyngeal mass
  1. FFPE are presented by histological type, WHO classification [40], TNM staging [39], sex, age, ethnicity, origin of FFPE, and the history at presentation. Currently, the WHO divides NPC into keratinizing, non-keratinizing, and basaloid squamous cell carcinoma. Non-keratinizing NPC, which is the most common form of NPC, is further subdivided into differentiated and undifferentiated.
  2. 1[40]; 2[39]; NA indicates that data were not available.