Initial misdiagnosis to a revised diagnosis of pulmonary paragonimiasis with elevated serum immunoglobulin G4 concentrations: a case report.

IF 1.4 4区 医学 Q4 MEDICINE, RESEARCH & EXPERIMENTAL
Pengyan Yin, Miaohui Duan, Lingyao Deng, Tianli Li, Xuan Huang, Raohong Fang, Hailong Li, Binliang Bai
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引用次数: 0

Abstract

An elevation in serum immunoglobulin (Ig) G4 concentrations at only one time point is not a definitive diagnostic marker for IgG4-related diseases. We report two cases of pulmonary paragonimiasis with elevated serum IgG4 concentrations. Patient 1 was a woman in her late 40s with cough and dyspnea for 1 week. Patient 2 was a woman in her late 60s with a cough, bloody sputum, chest pain, and wheezing for over 1 month. Patient 1 had eosinophilia, high IgE, IgG, and IgG4 concentrations, right pleural effusion, and lung lesions, resembling tuberculosis. Patient 2 had cavitary lung lesions, pleural involvement, and eosinophilia, and high IgE, IgG, and IgG4 concentrations, with a history of eating raw river crabs. Both patients tested positive for Paragonimus antibodies. Patient 1 received 2 months of anti-parasitic treatment, while Patient 2 had 1 week of treatment. Patient 2 showed improvement and was discharged with normalized Ig concentrations. Increased serum IgG4 concentrations, in conjunction with elevated concentrations of IgG, IgE and eosinophil counts, and a history of travel or residence in areas endemic for paragonimiasis, can be used to distinguish pulmonary paragonimiasis from other etiologies of pneumonia.

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来源期刊
CiteScore
3.20
自引率
0.00%
发文量
555
审稿时长
1 months
期刊介绍: _Journal of International Medical Research_ is a leading international journal for rapid publication of original medical, pre-clinical and clinical research, reviews, preliminary and pilot studies on a page charge basis. As a service to authors, every article accepted by peer review will be given a full technical edit to make papers as accessible and readable to the international medical community as rapidly as possible. Once the technical edit queries have been answered to the satisfaction of the journal, the paper will be published and made available freely to everyone under a creative commons licence. Symposium proceedings, summaries of presentations or collections of medical, pre-clinical or clinical data on a specific topic are welcome for publication as supplements. Print ISSN: 0300-0605
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