Sequential cohort study describes renal sarcoid presentations in individuals with varying organ involvement, highlighting diagnostic challenges.
Sarcoidosis is a multisystem disorder of unknown etiology, which may occur in all tissues and organs of the body. Clinical presentation may be quite variable and affected by race. The most commonly affected system is the lungs with >95% of patients displaying such involvement. Renal involvement is uncommon (<2%) and may occur in the absence of pulmonary involvement resulting in diagnostic difficulties. Here we describe a sequential cohort of patients with differing presentations of renal sarcoid with and without additional organ involvement. The clinical course and treatment are described.
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Carmichael et al. (2003) studied this question.
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