FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term pulmonary hemosiderosis ID (Ontology) DOID:12118 (Human Disease)
Definition A lung disease with an unknown etiology affecting the lungs which results in bleeding from tiny alveolar capillaries. Examination of sputum and bronchoalveolar lavage fluid can disclose hemosiderin-laden alveolar macrophages (siderophages), and the lung biopsy shows numerous siderophages in the alveoli. Alveolar hemorrhage is characterized by hemoptysis, shortness of breath, alveolar infiltrates on chest radiograph, and various degrees of anaemia. Following a bleeding episode, the alveolar macrophages convert the hemoglobin's iron into hemosiderin within 36-72h.
Also Known As "brown induration" ; "brown lung" ; "Idiopathic pulmonary hemosiderosis"
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lower respiratory tract disease
 |__lung disease_________
iron metabolism disease  |
 |__hemosiderosis________|
                         pulmonary hemosiderosis
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Is a hemosiderosis
lung disease
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Synonyms
  • "brown induration" EXACT
    "brown lung" EXACT
    "Idiopathic pulmonary hemosiderosis" EXACT
Secondary IDs
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ICD10CM:J84.03
ICD9CM:516.1
MESH:D000097545
MIM:178550
MIM:235500
ORDO:99931
SNOMEDCT_US_2023_03_01:190848001
UMLS_CUI:C0020807