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KMID : 1103720230840010253
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Journal of the Korean Society of Radiology
2023 Volume.84 No. 1 p.253 ~ p.262
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Clinicoradiological Features of Pulmonary Cryptococcosis in Immunocompetent Patients
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Choi Hong-Seok
Kim Yun-Hyeon
Jeong Won-Gi
Lee Jong-Eun
Park Hye-Mi
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Abstract
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Purpose To assess the clinicoradiological features of pulmonary cryptococcosis in immunocompetent patients.
Materials and Methods This retrospective study included immunocompetent patients who had been diagnosed with pulmonary cryptococcosis on the histopathologic exam and underwent chest CT between January 2008 and November 2019. Imaging features were divided into major imaging patterns, distributions, and ancillary imaging findings. Univariable analysis was performed to evaluate clinicoradiological features according to the presence of serum cryptococcal antigen.
Results Thirty-one patients were evaluated (mean age: 60 years, range: 19?78 years). A single nodular lesion confined to a single lobe was the most common imaging pattern (14/31, 45.2%). Serum cryptococcal antigen tests were performed in 19 patients (19/31, 61.3%). The presence of serum cryptococcal antigen was observed in six patients (6/19, 31.6%), all of whom showed a consolidation-dominant pattern.
The presence of serum cryptococcal antigen was significantly associated with the consolidationdominant pattern compared to those associated with a nodule-dominant pattern (p = 0.011).
Conclusion A combination of CT findings of consolidation and a positive serum cryptococcal antigen test may be helpful for diagnosing pulmonary cryptococcosis in immunocompetent patients.
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KEYWORD
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Immunocompetence, Cryptococcosis, Lung, Multidetector Computed Tomography
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