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Mycoplasma pneumoniae Pneumonia

Radiographic and High-Resolution CT Features in 28 Patients

Pia Reittner1, Nestor L. Müller1, Laura Heyneman1, Takeshi Johkoh1,2, Jai Soung Park3, Kyung Soo Lee4, Osamu Honda2 and Noriyuki Tomiyama2

1 Department of Radiology, Vancouver Hospital and Health Sciences Centre, 855 W. 12th Ave., Vancouver, B.C., V5Z IM9 Canada.
2 Department of Radiology, Osaka University Medical School, 2-2 Yamadaoka, Suita, Osaka 565-0825, Japan.
3 Department of Radiology, College of Medicine, Soonchunhyang University, Seoul 140-210, Korea.
4 Department of Radiology, Samsung Medical Center, College of Medicine, Sungkyunkwan University, 50 Irwon-dong, Kangnam-ku, Seoul, 135-710 Korea.



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  		Fig. 1 . —40-year-old woman with Mycoplasma pneumoniae pneumonia.

A, Chest radiograph reveals patchy areas of nonsegmental air-space opacification in both lower lobes.

 


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  		Fig. 2 . —30-year-old man with Mycoplasma pneumoniae pneumonia.

A, Chest radiograph reveals coarse reticulation and thickening of bronchovascular bundles in right lower lobe.

 


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  		Fig. 3 . —17-year-old boy with Mycoplasma pneumoniae pneumonia. High-resolution CT scan (1.0-mm collimation) at level of right lower lobe reveals nodules smaller than 10 mm in diameter (arrows) in predominantly centrilobular distribution and areas of ground-glass attenuation. Note sharp demarcation between normal and abnormal secondary pulmonary lobules, consistent with lobular pneumonia.

 


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  		Fig. 4 . —24-year-old man with Mycoplasma pneumoniae pneumonia. High-resolution CT scan (1.0-mm collimation) through right lung shows lobular areas of air-space consolidation (arrow) in medial segment of middle lobe. Note focal areas of ground-glass attenuation and poorly defined nodules in superior segment of right lower lobe.

 


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  		Fig. 1 . —40-year-old woman with Mycoplasma pneumoniae pneumonia.

B, High-resolution CT scan (1.5-mm collimation) of right lung shows focal areas of air-space consolidation in nonsegmental distribution and multiple, partly confluent air-space nodules in centrilobular distribution.

 


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  		Fig. 2 . —30-year-old man with Mycoplasma pneumoniae pneumonia.

B, High-resolution CT scan (1.5-mm collimation) targeted to right lung shows nonsegmental subpleural air-space consolidation (curved arrow), centrilobular nodules (straight arrow), extensive areas of ground-glass attenuation, and interlobular septal thickening.

 


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  		Fig. 5 . —55-year-old man with Mycoplasma pneumoniae pneumonia.

A and B, High-resolution CT scans (1.0-mm collimation) at level of right upper (A) and lower (B) lobes show poorly defined nodular and branching areas of increased attenuation with predominantly centrilobular distribution (straight arrow, B) and bronchial wall thickening (curved arrow, A and B).

 


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  		Fig. 5 . —55-year-old man with Mycoplasma pneumoniae pneumonia.

A and B, High-resolution CT scans (1.0-mm collimation) at level of right upper (A) and lower (B) lobes show poorly defined nodular and branching areas of increased attenuation with predominantly centrilobular distribution (straight arrow, B) and bronchial wall thickening (curved arrow, A and B).

 

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