Talk:Diagnosis of exclusion
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Sarcoidosis is only a diagnosis of exclusion until you take a biopsy. Sarcoidosis in the lung or heart can be proven with biopsy. The patient has inert tissue in lung or heart. There is some mean to diagnose sarcoidosis and therefore it is not a diagnosis of exclusion. —Preceding unsigned comment added by Gerriet42 (talk • contribs) 07:30, 5 May 2008 (UTC)