Spontaneous regression of bilateral hilar lymphadenopathy in renal cell carcinoma.
A 26-year-old woman presented with a spontaneous regression of bilateral hilar lymphadenopathy, simulating the natural course of acute sarcoidosis. Several months later the lymph nodes reappeared and finally a metastatic renal cell carcinoma was found. The need for histological confirmation in the diagnosis of sarcoidosis is discussed.
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