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De Liberato C, Iatta R, Scarito MA, Grifoni G, Dante G, Otranto D. Strongyloides stercoralis in a dog litter: Evidence suggesting a transmammary transmission. Acta Trop 2022; 231:106465. [PMID: 35427536 DOI: 10.1016/j.actatropica.2022.106465] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/29/2022] [Accepted: 04/11/2022] [Indexed: 11/17/2022]
Abstract
Strongyloides stercoralis is a soil-transmitted helminth with an unusual life cycle, causing canine and human strongyloidiasis, mainly endemic in tropical and subtropical areas. Following percutaneous or oral transmission of infective third-stage larvae in the vertebrate host, the parasite can cause autoinfection, leading to life-long infection. At present, the transmammary transmission was only assessed in experimentally infested dogs. Here, we provide observational evidence of S. stercoralis transmammary transmission in puppies suckling from a truffle dog from Central Italy, from where its presence was neglected.
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Affiliation(s)
- Claudio De Liberato
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411,Rome 00178 , Italy.
| | - Roberta Iatta
- Dipartimento Interdisciplinare di Medicina, Università di Bari, Piazza Giulio Cesare 11, Bari 70124, Italy
| | - Maria Alessia Scarito
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411,Rome 00178 , Italy
| | - Goffredo Grifoni
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411,Rome 00178 , Italy
| | - Giampiero Dante
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411,Rome 00178 , Italy
| | - Domenico Otranto
- Dipartimento di Medicina Veterinaria, Università di Bari, Str. prov. per Casamassima km 3, Valenzano 70010, Italy
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Xu L, He Q, Chen L, Lv J, Tang Y, Li Y, Zhang Z, Wen W, Zhong G, Liu H, Fu B. Pulmonary Infection Caused by Strongyloides stercoralis. Acta Parasitol 2022; 67:1044-1048. [PMID: 35175460 DOI: 10.1007/s11686-022-00527-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 02/01/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Strongyloidiasis is mainly prevalent in developing countries with poor economic and sanitary conditions. The clinical manifestations of Strongyloides stercoralis infection are complex and diverse, lacking specificity, which can easily lead to misdiagnosis and delayed treatment. METHODS An elderly male patient, repeated cough and expectoration for 4 years, with exacerbation and dyspnea for 10 days, was admitted to hospital. Sputum culture and smear were taken for examination. Nematode larvae were found under the microscope. Nematodes were also found in feces. RESULTS Upon confirmation, the patient was diagnosed with a pulmonary infection caused by Strongyloides stercoralis. After treatment with albendazole, the symptoms improved, and the patient was discharged. CONCLUSION In this case report, combination of microscopic examination of sputum and alveolar lavage fluid and CT scan were used to quickly identify the cause of the patient, it provides a diagnostic basis and method for clinical treatment.
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Affiliation(s)
- Lingqing Xu
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Qianjun He
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Linjuan Chen
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Jiaxi Lv
- Department of Clinical Medicine, Fourth Clinical Medical College, Capital Medical University, Beijing, People's Republic of China
| | - Yinxian Tang
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Yuzhen Li
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Zhongwen Zhang
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Weihong Wen
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Guoquan Zhong
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China
| | - Hui Liu
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China.
- School of Basic Medical Sciences, Guangzhou Medical University, Panyu, Guangzhou, 511436, Guangdong, People's Republic of China.
| | - Bishi Fu
- Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511518, Guangdong, People's Republic of China.
- School of Basic Medical Sciences, Guangzhou Medical University, Panyu, Guangzhou, 511436, Guangdong, People's Republic of China.
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