PMC4821339_01
HRCT before treatment. The patient was admitted with little symptoms and signs. CT scan showed diffuse bilateral bad-defined reticulonodular lesion, ground glass opacity (1a and 1b).
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Lung HRCT showed diffuse fine nodular lesions, ground glass opacity, and minor lymphadenopathy (Fig. 1a and b).
Histopathological findings of Flexible bronchoscopy. Transbronchial biopsy was performed. Epithelioid cell granuloma was founded. To confirm the diagnosis of sarcoidosis, RLL wedge resected was done. Epithelioid granulomass were obvious (arrow).
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Additional pathologic examination was performed, and numerous epithelioid cell granulomas were also found in all the resected lung fields (Fig. 2).
HRCT after treatment. The patient was treated with prednisone for 6 months. HRCT was reexamined, the CTshowed diffuse bilateral bad-defined. Reticulonodular lesion, ground glass opacity ablated (3a and 3b).
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HRCT was performed after 6 months; the corticosteroid therapy resulted in significant ablation of the ground glass opacity in the lung (Fig. 3a and b).