What is true regarding byssinosis?: (A) Dyspnea resolves after cessation of exposure, (B) Similar to chronic bronchitis and emphysema, (C) Present as mediastinal fibrosis, (D) Eosinophils are prominent in BAL
Answer is A. Byssinosis - due to cotton dust exposure - presents with Monday Chest tightness which resolves with cessation of cotton dust exposure. - Byssinosis presents as hypersensitivity pneumonitis with the honey-comb lung. - Lymphocytes and not eosinophils are present in bronchoalveolar lavage of hypersensitivity pneumonitis patients.