Table 4.
Helicobacter pylori detection in oral cancer n (%)
| Ref. | Sample (study design) | Diagnostic method | Patient profile | H. pylori detection rate |
| Grandis et al[88] | BL (CCS) | Ser (ELISA) | 21 HNSCC 21 controls | 12/21 (57) 13/21 (62), P > 0.05 |
| Singh et al[89] | Bs (CCS) | MCT, Giemsa, RUT | 26 OC 26 controls | MTC: 0/26 (0); 0/26 (0) Giemsa: 4/26 (15); 0/26 (0) RUT: 3/26 (11); 0/26 (0) |
| Okuda et al[90] | Bs, OS (PRS) | MTC, RT PCR1 | GDss (58 OC) | Bs: 54/116 (46); OS: 14/116 (12); OC: 11/58 (19) |
| Kanda et al[91] | Bs, urine (PRS) | MTC, Ser (ELISA), PCR1, IHC | HNSCC | Bs: 0/31 (0) MTC, IHC, PCR. Urine: 21/31 (68) Ser |
| Fernando et al[92] | BL (CCS) | Ser (ELISA) | 53 cases 60 controls | 14/53 (23) 10/60 (17) |
| Dayama et al[93] | Bs (CCS) | MTC; PCR (16S rRNA) | 20 OC 20 controls | OC: 3/20 (15) MCT, PCR Controls: 1/20 (5) MTC and 2/20 (10) PCR |
1
Data not shown. BL: Blood; Bs: Biopsy; CCS: Case-control study; GDss: Gastric disease; HNSCC: Head and neck squamous cell carcinomas; ISH: In situ hybridization; MCT: Microbial culture techniques; OC: Oral cancer; OS: Oral swab; PCR: Polymerase chain reaction; PRS: Prospective study; RUT: Rapid urease test; Ser: Serology.