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Pathological findings of COVID-19 associated with acute respiratory distress syndrome 

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Clinical and pathological characteristics of 2019 novel coronavirus disease (COVID-19): a systematic reviews


Clinical and pathological characteristics of 2019 novel coronavirus disease (COVID-19): a systematic

Importance: In 2002-2003, a severe pulmonary infectious disease occurred in Guangdong, China. The disease was caused by SARS-CoV, 17 years apart, also happen in China, and SARS-CoV-2, this epidemic has posed a significant hazard to people health both China and the whole world. Objective: Summarized the latest epidemiological changes, clinical manifestations, auxiliary examination and pathological characteristics of COVID-19. Evidence Review: PubMed database were searched from 2019 to 2020 using the index terms novel coronavirus or COVID-19 or 2019-nCoV or SARS-CoV-2 and synonyms. Articles that reported clinical characteristics, laboratory results, imageological diagnosis and pathologic condition were included and were retrospectively reviewed for these cases. This paper adopts the method of descriptive statistics. Results: 34 COVID-19-related articles were eligible for this systematic review;Four of the articles were related to pathology. We found that Fever (86.0%), cough (63.9%) and

medRxiv

Pulmonary Pathology of Early-Phase 2019 Novel Coronavirus (COVID-19) Pneumonia in Two Patients With Lung Cancer 


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Clinical Pathology of Critical Patient with Novel Coronavirus Pneumonia (COVID-19)


Clinical Pathology of Critical Patient with Novel Coronavirus Pneumonia (COVID-19)

Background Critical patients with novel coronavirus pneumonia ( COVID-19) have worse outcome and high mortality. However, the histopathology of critical patient with COVID-19 remains undisclosed. Methods We performed the whole lung biopsy, and described the pathological changes of critical COVID-19 patient done with transplant by HE staining, immunohistochemistry and special staining observed under the microscopy. Findings The whole lungs displayed diffuse congestive appearance and partly haemorrhagic necrosis on gross examination. The haemorrhagic necrosis was prominently present in outer edge of the right lower lung. The cut surfaces of the lung displayed severe congestive and haemorrhagic changes. The main pathological changes showed massive pulmonary interstitial fibrosis, and partly hyaline degeneration, variable degrees of hemorrhagic pulmonary infarction. Small vessels hyperplasia, vessel wall thickening, lumen stenosis, occlusion and microthrombosis formation. Focal monocytes,

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