Serum vascular endothelial growth factor as a possible prognostic indicator in sarcoidosis.
Sarcoidosis is a systemic granulomatous disorder of unknown etiology, which involves the lung, eye, liver, and other organs. Vascular endothelial growth factor (VEGF) is a major regulator of angiogenesis involved in an important role in the development of granuloma. However, only a limited number of studies have reported on the relationship between serum VEGF values and the clinical status of sarcoidosis. Concentrations of serum VEGF were determined in 33 patients with sarcoidosis. We investigated the correlation between serum VEGF values and extent of disease, prognosis, and radiographic stage compared with serum angiotensin converting enzyme (ACE) values as another candidate. Concentrations of serum VEGF in patients who received corticosteroid treatment were significantly higher than those of patients with spontaneous remission (p < 0.05). In addition, serum VEGF values in patients with extrathoracic involvements were significantly higher than those of patients with sarcoid lesions limited to the thoracic space (p < 0.05), accompanied by a tendency to increase the number of organs involved. The values of serum ACE revealed no relationship to the values of serum VEGF, administration of corticosteroid, or extrathoracic involvements. We concluded that serum VEGF values in patients with sarcoidosis is a predictive factor in determining extrathoracic organ involvements and as a parameter for deciding the necessity of treatment with corticosteroid. Serum VEGF might be a useful marker as a prognostic indicator in sarcoidosis.[1]References
- Serum vascular endothelial growth factor as a possible prognostic indicator in sarcoidosis. Sekiya, M., Ohwada, A., Miura, K., Takahashi, S., Fukuchi, Y. Lung (2003) [Pubmed]
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