Table 3 Frequency of biopsy-proven sinonasal sarcoidosis reported by sarcoidosis clinics/respiratory departments of tertiary care hospitals
Authors, reference | Year | Study design | Country | Number of patients with sarcoidosis | Number of patients with biopsy-proven sinonasal sarcoidosis | Frequency of patients with sinonasal sarcoidosis | Race of patients with sinonasal sarcoidosis | Characteristics of patients with sinonasal sarcoidosis |
|---|---|---|---|---|---|---|---|---|
Wilson et al. ref. [12] | 1988 | Prospective | England | 750 | 21 | 2.8% | 44% Caucasian*1, 66% West Indian | Mean age, 41 years*1, Female, 52%, Lung involvement, 67%, Multiorgan involvement, n.a. |
Zeitlin et al. ref. [11] | 2000 | Prospective (part I) | United States | 159 | 6 | 3.8% | 78% African Americans, 22% Caucasians | Mean age, 38 years, Female, 67%, Lung involvement, 72%, Multiorgan involvement, 89% |
Retrospective (Part II) | 733 | 12 | 1.6% | |||||
Panselinas et al. ref. [13] | 2010 | Retrospective | United States | 998 | 43 | 4.3% | 68% African*2 American, 31% Caucasian | Mean age, 38 years*2, Female, 75% Lung involvement, n.a., Multiorgan involvement, n.a. |
Kirsten A et al. present study | 2013 | Retrospective | Germany | 1360 | 12 | 0.8% | 100% Caucasians | Mean age, 41 years, Female, 33%, Lung involvement, 100%, Multiorgan involvement, 67% |