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CHAPTER 69: Human Immunodeficiency Virus (HIV) and AIDS in the Intensive Care Unit 631
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FIGURE 69-6. Characteristic foamy honeycomb material seen in alveolar spaces in
Pneumocystis pneumonia (H&E stain, × 3100).
FIGURE 69-4. Posteroanterior chest x-ray of a patient with PJP who presented with a
left-sided pneumothorax.
FIGURE 69-7. Cup-and-saucer-shaped Pneumocystis organisms seen on BAL (GMS 3 100).
FIGURE 69-8. BAL specimen showing characteristic granular material found in
Pneumocystis pneumonia infection (H&E stain, × 3100).
lymphocytes. Although P jirovecii infection is usually confined to the
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lungs, systemic pneumocystosis (involving liver, spleen, lymph nodes,
adrenals, and eyes) has been reported occasionally. Polymerase chain
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reaction (PCR) methodology has been applied to the diagnosis of PJP
FIGURE 69-5. Posteroanterior chest x-ray of a patient with PJP who presented with using blood, sputum, and BAL but is not widely available and remains
bilateral upper lung disease. investigational.
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