Table 2 Frequency of Fordyce granules in general population and in individuals with hereditary nonpolyposis colorectal cancer
From: Oral manifestations of hereditary nonpolyposis colorectal cancer syndrome: a family case series
Author (year) | Samples | Number of individuals | Frequency of Fordyce granules (%) |
|---|---|---|---|
Type of study | |||
Reichart [16] | General population (Germany) | 2022 | 26.6% (group 1: 35–44 years) |
Cross-sectional study | 23.7% (group 2: 65–74 years) | ||
Jahanbani et al. [17] | General population (Iran) | 598 | 27.9% |
Cross-sectional study | |||
Al-Mobeeriek and AlDosari [18] | General population (Saudi Arabia) | 2552 | 3.8% |
Cross-sectional study | |||
Ferreira et al. [19] | General population (Brazil) | 335 | 20.9% |
Cross-sectional study | |||
De Felice et al.[10] | Individuals with HNPCC and controls (Italy) | 15 (HNPCC) | 86.7% of the cases |
Case–control study | 630 (controls) | 0.95% of the controls | |
Present study, 2010–2011 | Individuals with HNPCC and relatives (Brazil) | 20 (one family with HNPCC) | 40% all of the sample |
Familial study | 100% (individuals with HNPCC) | ||
25% (unaffected individuals) |