Japanese Journal of Infectious Diseases
Online ISSN : 1884-2836
Print ISSN : 1344-6304
ISSN-L : 1344-6304
Original Articles
Clinical Analysis of Non-AIDS Patients with Pulmonary Cryptococcosis and the Change in Their Clinical Features over 30 Years in a Tertiary Hospital in Beijing, China
Zhenfei MoChunsun LiZhixin LiangJiewei CuiLing YuLiangan Chen
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JOURNAL FREE ACCESS

2022 Volume 75 Issue 5 Pages 476-483

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Abstract

Over the past few decades, the clinical features of pulmonary cryptococcosis (PC) have progressed; however, there is a lack of data on the manifestations of PC over time. To investigate the differences in the clinical characteristics of PC across different time periods, we retrospectively reviewed 130 non-acquired immunodeficiency syndrome (AIDS) patients diagnosed with pathologically or microbiologically confirmed PC from 1990–2020. Among the 130 patients with PC, 24 (18.5%) exhibited immunosuppression, and 44 (33.8%) had underlying diseases. In radiology, 118 (90.8%) presented with subpleural lesions, and 68 (53.1%) presented with nodules with diameters ranging from 1–5 cm. Seventy-five (57.7%) patients underwent surgery alone. The clinical features of PC at different time periods showed that hospitalization days decreased (P = 0.009), and the number of patients with symptoms decreased over time. The number of patients exhibiting isolated lesions decreased (P = 0.022), and the number of patients exhibiting subpleural lesions increased (P = 0.020). In addition, the number of patients with lesions presenting 3–10 mm nodules increased (P = 0.028). In conclusion, an increasing number of patients have been diagnosed with PC over the last 30 years. The timing of PC diagnosis has shifted to the early stages of disease progression. Pulmonary lesions caused by cryptococcosis are easily misdiagnosed and may require unnecessary surgical treatment. Further research is needed to identify the lung lesions caused by cryptococcosis.

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