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Volume 10, Number 3—March 2004

Dispatch

Human Metapneumovirus-associated Atypical Pneumonia and SARS

Paul K.S. Chan*Comments to Author , Ka-Fai To*, Alan Wu*, Gary M.K. Tse*, Kui-Fat Chan*, Siu-Fai Lui*, Joseph J.Y. Sung*, John S. Tam*, and Brian Tomlinson*
Author affiliations: *The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong Special Administrative Region, China

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Figure

Pathologic findings of lung tissue sections. A: Pulmonary congestion and edema (H&E stain, original magnification x100). B: A mild degree of interstitial lymphocytic infiltration. Intra-alveolar organizing exudative lesion was occasionally found. Detached atypical pneumocytes indicated by arrow (H&E stain, original magnification x200). C: Atypical multinucleated pneumocytes were occasionally identified. Definite viral inclusion was not apparent (H&E stain, original magnification x400

Figure. Pathologic findings of lung tissue sections. A: Pulmonary congestion and edema (H&E stain, original magnification x100). B: A mild degree of interstitial lymphocytic infiltration. Intra-alveolar organizing exudative lesion was occasionally found. Detached atypical pneumocytes indicated by arrow (H&E stain, original magnification x200). C: Atypical multinucleated pneumocytes were occasionally identified. Definite viral inclusion was not apparent (H&E stain, original magnification x400). D: Fibrin thrombi were frequently noted in small pulmonary arteries and arterioles (H&E stain, original magnification x200).

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