| Endoscopic procedures may be helpful in the diagnosis of disorders such as inflammatory bowel disease and sarcoidosis. |
| Granuloma formation in sarcoidosis may be a stereotypical response to multiple infectious and noninfectious agents. |
| Amyloidosis and other infiltrative diseases, including sarcoidosis and haemochromatosis, can cause a restrictive syndrome. |
| The results of this case emphasized the vital importance of an occupational history anamnesis of patients suspected of having sarcoidosis. |
| Genetic factors are likely to influence the clinical course and pattern of sarcoidosis, a granulomatous disease of unknown origin. |
| The etiology of the systemic granulomatous disease sarcoidosis remains obscure. |
