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The Value of CT-Guided Percutaneous Needle Aspiration in Immunocompromised Patients with Suspected Pulmonary Infection

Sung Su Hwang1, Hak Hee Kim2, Seog Hee Park2, Jung Im Jung3 and Hye Suk Jang2

1 Department of Radiology, St. Vincent's Hospital, The Catholic University of Korea, 93 Chi-dong, Paldal-ku, Suwon, Kyunggi-do, 442-723, Korea.
2 Department of Radiology, Kangnam St. Mary's Hospital, The Catholic University of Korea, 505 Banpo-dong, Seocho-ku, Seoul, 137-040, Korea.
3 Department of Radiology, St. Mary's Hospital, The Catholic University of Korea, #62, Youido-dong, Yongdungpo-gu, Seoul, 150-019, Korea.



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  		Fig. 1. —33-year-old man with acute lymphocytic leukemia. Contrast-enhanced CT scan of chest shows well-defined thick-walled cavitary lesion filled with low-density slough in superior segment of left lower lobe. Note adjacent pleural thickening. CT-guided percutaneous needle aspiration (not shown) revealed Aspergillus fumigatus.

 


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  		Fig. 2A. —18-year-old woman with acute myelocytic leukemia. Posteroanterior chest radiograph shows homogeneous lobar consolidation in right upper lobe. Note central venous catheter. Aspirate obtained with CT-guided percutaneous needle aspiration (not shown) revealed nonspecific inflammatory cells on cytologic examination and no growth of pathogen in culture.

 


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  		Fig. 2B. —18-year-old woman with acute myelocytic leukemia. Follow-up chest radiograph obtained 10 days after A reveals partial resolution of pneumonic consolidation. Note round low-density cavitary lesion in right upper lobe. Patient underwent empiric therapy.

 


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  		Fig. 2C. —18-year-old woman with acute myelocytic leukemia. Follow-up chest radiograph obtained 18 days after B shows remaining thin-walled cavitary lesion (arrows) in right upper lobe, despite near-complete resolution of pneumonic consolidation.

 

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