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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Abnormal bronchoalveolar lavage fluid morphology
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Accession:HP:0032973 term browser browse the term
Definition:Abnormal type or counts of nucleated immune cells and acellular components in bronchoalveolar lavage (BAL) fluid. BAL us performed with a fiberoptic bronchoscope in the wedged position within a selected bronchopulmonary segment. BAL is commonly used to inform the differential diagnosis of interstitial lung disease or to monitor therapeutic interventions.
Comment:Red blood cells in the BAL fluid are noted (e.g. present in pulmonary hemorrhage syndromes), but not counted, Similarly epithelial cells are only noted, not included numerically into cell differential.

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the respiratory system 0
        Abnormal respiratory system morphology 0
          Abnormal lung morphology 0
            Abnormal bronchoalveolar lavage fluid morphology 0
              Abnormal bronchoalveolar fluid protein level + 0
              Abnormal cellular composition of bronchoalveolar fluid + 0
              Bloody bronchoalveolar lavage fluid 0
              Intraalveolar phospholipid accumulation 0
              Milky appearance of bronchoalveolar lavage fluid 0
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