Crazy paving pattern

Verma, Rajanshu; Abdoh, Mamoun

doi:10.1002/ccr3.860

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…GGO's are multiple, round and commonly peripheral [15]. The term "crazy paving" was coined due to the polygonal pattern of interlobular thickening seen on scans [16].…”

Section: Covid-19 Grading Systems Based On Chest Ct-scansmentioning

confidence: 99%

The first wave of the COVID-19 pandemic in Southern Hungary: Epidemiology, symptoms and signs

2021

Imaging

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BackgroundIn December 2019, pneumonia caused by coronavirus Disease-19 (COVID-19) occurred in Wuhan, Hubei Province, China. Currently, COVID-19 has spread worldwide. In accordance with the restrictions of the Hungarian Government, several epidemic hospitals and centers have been established in Hungary. The first infected patient was detected on 4th March, 2020 in our country, who was not a Hungarian citizen. The first patient died of pneumonia caused by COVID-19 was on 15th March. The Hungarian epidemic curve is flattened and more prolonged. We aimed to report our computer tomography (CT) findings in correlation with clinical status in patients with COVID-19 infection.Material and methodsAll patients with laboratory-identified Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection by real-time polymerase chain reaction (PCR) and who underwent chest CT were collected between March 26, 2020, and April 20, 2020, in our hospital. In our centre we had 107 PCR confirmed COVID-19 positive patients in this period. 52 patient (male: female 1:2, average age: 67.94) were admitted to our central epidemic hospital, according to their complains: fever, dyspnoea, hypoxaemia, altered mental status, comorbidity, sepsis or if patient isolation could not be performed. In case of every patient we took blood test, nasopharyngeal sample and a chest CT without contrast agent. In our CT report we used a score system to characterize the severity.ResultsThe majority of infected patients had a history of exposure in nursing homes and mostly presented with fever and cough. The present study confirmed the findings about results of other researches. The COVID-19 pneumonia affected the elderly patients, caused hypoxia, cough and sepsis. On the CT scan, typical signs were seen in the cases of PCR confirmed patients.ConclusionThe limitations of the present study include the low number of patients. Collectively, our results appear consistent with previous studies. Chest CT examination plays an important role in the diagnosis and estimation of the severity of the novel coronavirus pneumonia. Future research should examine strategically the features of the Hungarian population.

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“…GGO's are multiple, round and commonly peripheral [15]. The term "crazy paving" was coined due to the polygonal pattern of interlobular thickening seen on scans [16].…”

Section: Covid-19 Grading Systems Based On Chest Ct-scansmentioning

confidence: 99%

The first wave of the COVID-19 pandemic in Southern Hungary: Epidemiology, symptoms and signs

2021

Imaging

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“…Fu et al (2016) reported a rare case of pneumothorax as first manifestation of PTCL [14]. Three case reports exist concerning crazy paving pattern of PTCL with lung involvement [[15], [16], [17]]. Recently, Aqeel et al reported a rare case of acute respiratory failure in the setting of antisynthetase syndrome (ASS) in a patient with PTCL where the chest CT revealed extensive bilateral ground glass opacities [18].…”

Section: Discussionmentioning

confidence: 99%

Crazy paving pattern as a rare radiological manifestation of peripheral T-cell lymphoma (PTCL) with lung involvement: A case report

Gomatou

Tzilas

Kourti

et al. 2018

Respiratory Medicine Case Reports

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We report on a 70-year old woman with dyspnea, systemic lymphadenopathy and abnormal chest computed tomography (CT) findings. A complete laboratory testing as well as mediastinal tissue sampling via Endobronchial Ultrasound (EBUS)-guided Transbronchial Needle Biopsy (TBNB) did not reveal a definite diagnosis. After experiencing acute respiratory failure which led to intensive care unit, the patient underwent a cervical lymph node biopsy which revealed peripheral T-cell lymphoma not otherwise specified (PTCL-NOS). A CT-guided trans-thoracic lung biopsy was performed that showed involvement of the lung parenchyma in the context of PTCL-NOS. Lung involvement is a rare extra-nodal manifestation of PTCL. The imaging patterns of this lymphoma have not been well described. We conclude that the finding of crazy paving pattern is a rare manifestation of this disease. In patients with pre-existing lymphoma, lung involvement should be included in the differential due to high pre-test probability.

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“…Crazy paving is characterized by GGOs associated with interlobular and intralobular septal thickening (Figure 2 ). These CT findings are non-specific since they can be found in numerous pathologies, such as non-specific alveolar proteinosis, acute respiratory distress syndrome and other interstitial pneumonia[ 17 - 19 ].…”

Section: Crazy Pavingmentioning

confidence: 99%

Typical and atypical COVID-19 computed tomography findings

Polidori¹,

Guido²,

Nicolai³

et al. 2020

WJCC

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In December 2019 a novel coronavirus, named severe acute respiratory syndrome coronavirus 2 was identified and the disease associated was named coronavirus disease 2019 (COVID-19). Fever, cough, myalgia, fatigue associated to dyspnea represent most common clinical symptoms of the disease. The reference standard for diagnosis of severe acute respiratory syndrome coronavirus 2 infection is real time reverse-transcription polymerase chain reaction test applied on respiratory tract specimens. Despite of lower specificity, chest computed tomography (CT), as reported in manifold scientific studies, showed high sensitivity, therefore it may help in the early detection, management and follow-up of COVID-19 pneumonia. Patients affected by COVID-19 pneumonia usually showed on chest CT some typical features, such as: Bilateral ground glass opacities characterized by multilobe involvement with posterior and peripheral distribution; parenchymal consolidations with or without air bronchogram; interlobular septal thickening; crazy paving pattern, represented by interlobular and intralobular septal thickening surrounded by ground-glass opacities; subsegmental pulmonary vessels enlargement (> 3 mm). Halo sign, reversed halo sign, cavitation and pleural or pericardial effusion represent some of atypical findings of COVID-19 pneumonia. On the other hand lymphadenopathy’s and bronchiectasis’ frequency is unclear, indeed conflicting data emerged in literature. Radiologists play a key role in recognition of high suspicious findings of COVID-19 on chest CT, both typical and atypical ones. Thus, the aim of this review is to illustrate typical and atypical CT findings of COVID-19.

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Crazy paving pattern

Cited by 4 publications

References 2 publications

The first wave of the COVID-19 pandemic in Southern Hungary: Epidemiology, symptoms and signs

The first wave of the COVID-19 pandemic in Southern Hungary: Epidemiology, symptoms and signs

Crazy paving pattern as a rare radiological manifestation of peripheral T-cell lymphoma (PTCL) with lung involvement: A case report

Typical and atypical COVID-19 computed tomography findings

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