棕色硬結（Brown induration）是描述長期肺鬱血，使肺臟纖維化加上血鐵質沉積，導致肺臟硬化且成深褐色的情形[1][2][3]。
- ^ Stedman's Medical Dictionary for the Health Professions and Nursing
- ^ Pathology 3rd edition, BRS series, Schneider et al
- ^ Idiopathic pulmonary haemosiderosis (essential brown induration of the lung), Wyllie, W.G et al
