A 50-year-old woman presents with a 4-week history of fever, shoness of breath and dry cough. She repos that her chest feels “tight.” The patient is a pigeon fancier. Blood tests show leukocytosis and neutrophilia, an elevated erythrocyte sedimentation rate and increased levels of immunoglobulins and C-reactive protein. A lung biopsy reveals poorly formed granulomas composed of epithelioid macrophages and multinucleated giant cells. Which of the following is the appropriate diagnosis?
A 50-year-old woman presents with a 4-week history of fever, shoness of breath and dry cough. She repos that her chest feels “tight.” The patient is a pigeon fancier. Blood tests show leukocytosis and neutrophilia, an elevated erythrocyte sedimentation rate and increased levels of immunoglobulins and C-reactive protein. A lung biopsy reveals poorly formed granulomas composed of epithelioid macrophages and multinucleated giant cells. Which of the following is the appropriate diagnosis?
💡 Explanation
A 50-year-old woman presents with a 4-week history of fever, shoness of breath and dry cough. She repos that her chest feels "tight." The patient is a pigeon fancier. Blood tests show leukocytosis and neutrophilia, an elevated erythrocyte sedimentation rate and increased levels of immunoglobulins and C-reactive protein. A lung biopsy reveals poorly formed granulomas composed of epithelioid macrophages and multinucleated giant cells. Which of the following is the appropriate diagnosis?
✓ Correct Answer: C. Hypersensitivity pneumonitis
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