The air crescent sign

Marchiori, Edson; Hochhegger, Bruno; Zanetti, Gláucia

doi:10.36416/1806-3756/e20220035

Cited by 2 publications

(2 citation statements)

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“…The differential diagnosis of PAIS from pulmonary fungal infection is not always easy, since the imaging manifestations of the mass-like or nodular lung fungal infection have various similarities to those of malignant tumors. However, fungal infections are frequently secondary to various immune dysfunctions; therefore, the ‘air crescent sign’ is a typical manifestation of pulmonary mycosis and may be adopted as the main diagnostic criterion for pulmonary fungal infection ( 19 ).…”

Section: Discussionmentioning

confidence: 99%

“…Finally, the condition was diagnosed as PAIs based on puncture pathology and immunohistochemistry, which was further supported by a high intraluminal uptake rate indicated in Pet-ct. the differential diagnosis of PAIs from pulmonary fungal infection is not always easy, since the imaging manifestations of the mass-like or nodular lung fungal infection have various similarities to those of malignant tumors. However, fungal infections are frequently secondary to various immune dysfunctions; therefore, the 'air crescent sign' is a typical manifestation of pulmonary mycosis and may be adopted as the main diagnostic criterion for pulmonary fungal infection (19). to date, there is no standard treatment for PAIs.…”

Section: Radiological Characteristicsmentioning

confidence: 99%

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Pulmonary thromboembolic disease or pulmonary artery intimal sarcoma: Case report and literature review

Shao

Deng

2022

Oncol Lett

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the present case study reported on a patient initially diagnosed with pulmonary embolism at the First Affiliated Hospital of Fujian Medical University (Fuzhou, china) in May 2021. Furthermore, a relevant literature review was performed. the patient was a 57-year-old chinese male who presented with dyspnea and wheezing following exercise. Physical examination revealed pulmonary valve second heart sound > aortic valve second heart sound but lack of swelling on both lower limbs, while the imaging results suggested pulmonary artery filling defects. Initially, the patient was diagnosed with pulmonary embolism and was administered anticoagulation treatment, which lasted for 3 months but proved to be ineffective. subsequent re-examination via chest computed tomography further indicated multiple nodules in the left hilum and lung. therefore, the patient was hospitalized for lung aspiration biopsy, which led to the final diagnosis of pulmonary artery intimal sarcoma based on the pathological review.

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Section: Discussionmentioning

confidence: 99%

Section: Radiological Characteristicsmentioning

confidence: 99%