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©2013 UpToDate ® Print Email CMV pneumonitis Photomicrograph shows an infected pneumocyte in a patient with cytomegalovirus pneumonitis. The infected cell (arrow) is enlarged and contains an eosinophilic intranuclear inclusion and coarse basophilic cytoplasmic inclusions. Courtesy of Jeffrey L Myers, MD. Normal lung High power photomicrograph shows alveoli containing capillaries within a narrow interstitium. The alveoli are lined with thin, elongated type I pneumoctes (red arrow) and smaller numbers of cuboidal type II pneumocytes (green arrow). Courtesy of Steven E Weinberger, MD.