A case of pulmonary hyalinizing granuloma (PHG), in a 56 years old woman is presented . The patient had a cough and the chest radiograph revealed a circumscribed pulmonary nodule. PHG are usually multiple distinct fibrosing nodules, having central whorled deposits of lamellar collagen. The etiology and pathogenesis of PHG remain obscure. The disease follows a relatively benign course. Treatment consists in surgical resection.

Key words: Lung, Hyalinizing nodules, Granuloma.

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