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https://www.readbyqxmd.com/read/29095306/clinical-features-of-secondary-pulmonary-alveolar-proteinosis-associated-with-myelodysplastic-syndrome-two-case-reports
#1
Yin Liu, Lu Lu Chen, Yu Ying Qiu, Yong Long Xiao, Hou Rong Cai
RATIONALE: Pulmonary alveolar proteinosis (PAP) is a rare lung disorder characterized by the abnormal accumulation of alveolar surfactant protein in alveolar spaces. Secondary PAP can result from myelodysplastic syndrome (MDS). PATIENT CONCERNS: But most reports described a single case; here we reported 2 cases of PAP secondary to MDS. One case developed secondary PAP at the same time as MDS, and the other developed during the course of MDS. DIAGNOSES: The diagnosis of PAP was made by bronchoalveolar lavage and based on the identification of periodic acid-Schiff-positive proteinaceous material...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29021953/bilateral-lung-disease-extensive-and-diffuse-diagnosis-of-pulmonary-alveolar-proteinosis-by-bronchoscopic-cryobiopsy
#2
Sebastián Gando, Roberto Duré, Damián Violi, Bibiana Vazquez, Gonzalo Labarca, Sebastián Fernandez-Bussy
Pulmonary alveolar proteinosis (PAP) is a rare disease characterized by the intra-alveolar accumulation of a proteinaceous phospholipid-laden material called surfactant. Clinically, this disease should be suspected with respiratory failure in association with a crazy paving pattern on high-resolution chest computed tomography. We report a 24-year-old gentleman who was referred to us for a history of respiratory failure, treatment with invasive ventilation and tracheostomy. His blood exams and biochemistry were normal...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28966213/elevated-serum-anti-gm-csf-antibodies-before-the-onset-of-autoimmune-pulmonary-alveolar-proteinosis-in-a-patient-with-sarcoidosis-and-systemic-sclerosis
#3
Mari Yamasue, Shin-Ichi Nureki, Yuko Usagawa, Tomoko Ono, Hiroyuki Matsumoto, Takamasa Kan, Jun-Ichi Kadota
Pulmonary alveolar proteinosis (PAP) is characterized by the accumulation of periodic acid-schiff stain-positive lipoproteinaceous materials in the alveolar space due to impaired surfactant clearance by alveolar macrophage. Autoimmune PAP is the most common form of PAP, but rarely accompanies collagen disease or sarcoidosis. We report here a rare case of autoimmune PAP preceded by systemic sclerosis and sarcoidosis. A 64-year-old woman was admitted to our hospital for blurred vision, muscle weakness of extremities, Raynaud's phenomenon, and exertional dyspnea...
September 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28914826/pulmonary-alveolar-proteinosis-a-case-report
#4
Luis Alberto Concepción-Urteaga, Luis Alejandro Rodríguez-Hidalgo, Jorge Luis Cornejo-Portella, Oscar Neri Alquizar-Horna, Daniel Anderson Aguilar-Villanueva, Marcio José Concepción-Zavaleta, Mario Gustavo Azañero-Luján
INTRODUCTION: Pulmonary alveolar proteinosis is a rare, diffuse interstitial lung disease, characterized by alveolar obstruction due to the accumulation of pulmonary surfactant. CLINICAL PRESENTATION: A 30-year-old male with progressively worsening dyspnea and non-productive cough for one year. He was a sugar cane plantation worker and had prior recurrent respiratory infections. Physical exam revealed cyanosis, and bilateral coarse and fine rales. Chest computed tomography showed diffuse crazy paving pattern...
September 14, 2017: Medwave
https://www.readbyqxmd.com/read/28883249/pneumonitis-with-diffuse-alveolar-hemorrhage-induced-by-sho-seiryu-to
#5
Kazuo Tsuchiya, Mikio Toyoshima, Takafumi Suda
A 78-year-old man presented with acute-onset fever and dyspnea. He had been taking Sho-seiryu-to for allergic rhinitis. A chest radiograph showed diffuse bilateral ground-glass opacities with subpleural sparing, crazy-paving pattern, and traction bronchiectasis. The patient's bronchoalveolar lavage fluid was bloody and transbronchial lung biopsy specimens showed alveolitis, organizing pneumonia, and type 2 alveolar epithelial cell proliferation. There were no clinical and laboratory findings suggestive of respiratory tract infection or connective tissue disease...
October 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28670025/high-resolution-computed-tomography-findings-in-eight-patients-with-hantavirus-pulmonary-syndrome
#6
Diego de Lacerda Barbosa, Bruno Hochhegger, Arthur Soares Souza, Gláucia Zanetti, Dante Luiz Escuissato, Gustavo de Souza Portes Meirelles, Marcelo Buarque de Gusmão Funari, Edson Marchiori
OBJECTIVE: The purpose of this study was to describe the high-resolution computed tomography (HRCT) findings in patients with hantavirus pulmonary syndrome (HPS). MATERIALS AND METHODS: We retrospectively reviewed HRCT findings from eight cases of HPS. All patients were men, aged 19-70 (mean, 41.7) years. Diagnoses were established by serological test (enzyme-linked immunosorbent assay) in all patients. Two chest radiologists analyzed the images and reached decisions by consensus...
May 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28507378/case-series-of-rare-interstitial-lung-disease-ild
#7
Naveed Haroon Rashid, Saba Farooq, Mohammad Ahmed, Ali Bin Sarwar Zubairi
Pulmonary alveolar proteinosis (PAP) is a rare lung disease where periodic acid Schiff (PAS)-positive eosinophilic material accumulates in the alveoli of the lungs. Here we describe two cases of young males who presented with dynpnoea and weight loss. The HRCT scan of the chest in both cases showed the typical "crazy-paving" pattern and lung biopsies confirmed the diagnosis of PAP. They showed remarkable symptomatic improvement with therapeutic whole lung lavage.
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28469724/simultaneous-presentation-of-two-noninflammatory-lung-diseases-in-an-hiv-infected-patient
#8
Rafael Martínez-Girón, Santiago Martínez-Torre
The simultaneous presentation of two noninflammatory pulmonary diseases, pulmonary alveolar proteinosis and Kaposi's sarcoma (Ks), in an HIV-infected patient, is described. A 29-year-old black race patient was admitted to the hospital because of general malaise, weight loss, dyspnea, chest pain, and cough with hemoptoic expectoration. Chest X-rays revealed a patchy bilateral alveolar pattern with a tendency toward the formation of condensations. The serological test revealed HIV positivity (CD4 counts of 393 cells/mm(3))...
April 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28396784/crazy-paving-pattern
#9
Rajanshu Verma, Mamoun Abdoh
Crazy paving pattern is the name given to characteristic polygonal pattern of interlobular thickening on computed tomography (CT scan) of the lung, which results from accumulation of collagen, interstitial fluid, cell, or other pathology and may be seen in multiple clinical conditions including metastatic cancer as described in this case.
April 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28321331/ct-patterns-of-organizing-pneumonia-in-patients-treated-with-vegf-mtor-inhibitors-for-metastatic-renal-cell-cancer-an-observational-study
#10
Sabine Dettmer, Viktor Grünwald, Thomas Fuehner, Arnold Ganser, Frank Wacker, Philipp Ivanyi, Thomas Rodt
BACKGROUND: Targeted therapies are the standard treatment in patients with metastatic renal cell carcinoma (mRCC) and are known to cause adverse pulmonary events. Organizing pneumonia (OP) with its various manifestations in computed tomography (CT) has therefore lately received more attention. PURPOSE: To describe the spectrum of CT patterns of OP in patients with mRCC receiving targeted therapies. MATERIAL AND METHODS: Seventeen patients with known therapy-related OP were analyzed retrospectively by two blinded radiologists in consensus...
February 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28270188/pulmonary-alveolar-proteinosis-and-first-successful-whole-lung-lavage-in-sri-lanka-a-case-report
#11
Janith Galhenage, Buddhika Weerasinghe, Wadasinghe Dilesha, Roshana Constantine, Bandu Gunasena
BACKGROUND: Pulmonary alveolar proteinosis is a rare disease characterized by accumulation of lipoproteinaceous material within alveoli. There are three clinically distinct forms: congenital, acquired and secondary. Whole lung lavage is currently the gold standard therapy for severe cases of pulmonary alveolar proteinosis. In Sri Lanka this is the first reported successful whole lung lavage for a patient with pulmonary alveolar proteinosis. CASE PRESENTATION: We describe the case of a 15-year-old Sri Lankan girl who presented with symptoms of progressive shortness of breath and dry cough for 6 months' duration...
March 8, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28090053/a-suspected-case-of-an-alveolar-haemorrhage-caused-by-dasatinib
#12
Yoritake Sakoda, Yojiro Arimori, Masakatsu Ueno, Takafumi Matsumoto
A 39-year-old man treated with dasatinib for chronic myelogenous leukaemia presented to our hospital with haemoptysis, coughing, and dyspnoea. Chest radiography and computed tomography revealed ground-glass opacities and a crazy-paving pattern. Bronchoalveolar lavage was not performed due to serious hypoxemia and bleeding. Significant bleeding from the peripheral bronchi led to a diagnosis of an alveolar haemorrhage. Dasatinib-induced alveolar haemorrhaging was suspected based on the clinical findings. His condition improved immediately after dasatinib withdrawal and initiation of steroid therapy...
2017: Internal Medicine
https://www.readbyqxmd.com/read/27851571/1937-the-crazy-pavings-that-can-drive-you-crazy
#13
Hammad Arshad, Meilin Young, Tariq Cheema
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27814844/pulmonary-alveolar-proteinosis-crazy-paving-to-whole-lung-lavage
#14
Shahnaz Ul Rehman, Jeffrey R Hammersley
No abstract text is available yet for this article.
November 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27766199/a-case-of-lipoid-pneumonia-caused-by-inhalation-of-vaporized-paraffin-from-burning-candles
#15
Hidenori Katsumi, Masaki Tominaga, Morihiro Tajiri, Shigeki Shimizu, Yuki Sakazaki, Takashi Kinoshita, Masaki Okamoto, Tomotaka Kawayama, Tomoaki Hoshino
A 66-year-old woman was referred to our hospital for investigation of interstitial lung disease. She had spent most of her time in a shrine, and had always been exposed to vaporized paraffin from burning candles. Chest High-resolution computed tomography (HRCT)showed ground-glass attenuation with thickening of septal lines, wh create the so-called "crazy-paving appearance". Although bronchoalveolar lavage(BAL) and transbronchial biopsy were performed to aid in diagnosis, the findings did not reveal any conclusive information...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27548000/pulmonary-fibrosis-on-high-resolution-ct-of-patients-with-pulmonary-alveolar-proteinosis
#16
MULTICENTER STUDY
Masanori Akira, Yoshikazu Inoue, Toru Arai, Chikatoshi Sugimoto, Sayoko Tokura, Koh Nakata, Masanori Kitaichi
OBJECTIVE: The CT findings of pulmonary fibrosis in patients with pulmonary alveolar proteinosis (PAP) are not yet well defined. The objective of this study was to evaluate the CT findings of PAP with a focus on pulmonary fibrosis secondary to PAP. MATERIALS AND METHODS: High-resolution CT (HRCT) scans of 44 patients with PAP were evaluated retrospectively with a focus on pulmonary fibrosis: 33 patients had autoimmune PAP, and 11 patients had secondary PAP. The intervals between the initial and last CT examinations ranged from 1 to 284 months (median, 60 months)...
September 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27523003/an-invasive-lepidic-predominant-adenocarcinoma-extensively-involving-the-lung-with-areas-of-sarcomatoid-carcinoma-containing-osteoclast-like-giant-cells
#17
Yuki Tenjin, Taiyo Komatsu, Sayuri Hirooka, Kazuyoshi Nakamura, Hideshi Uramoto, Hironori Kobayashi, Fumiya Imamura, Osamu Sakamoto, Mitsuhiro Matsumoto, Takaaki Ito, Hirotsugu Kohrogi
Primary lung tumor tissue exhibiting numerous multinucleated osteoclast-like giant cells (OGCs) is an extremely rare histological type. In this study, we describe the case of an 82-year-old woman. Chest CT demonstrated an extensive crazy-paving appearance in both of the lung fields and a solid round mass in the right lower lobe. A pathological examination of the tumor revealed sarcomatoid carcinoma containing OGCs combined with diffused, invasive lepidic predominant adenocarcinoma. We herein present an extremely rare lung cancer, invasive lepidic predominant adenocarcinoma extensively involving the lung with areas of sarcomatoid carcinoma containing OGCs...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27488496/pulmonary-melanoma-and-crazy-paving-patterns-in-chest-images-a-case-report-and-literature-review
#18
REVIEW
Yikuan Feng, Jianping Zhao, Qun Yang, Weining Xiong, Guohua Zhen, Yongjian Xu, Zhenxiang Zhang, Huilan Zhang
BACKGROUND: In the lung, melanoma is mostly arranged as patterns of multiple nodules, solitary nodules, or miliary invasions. Very rarely, it also displays a "crazy paving" pattern (also described as a "paving stone," "flagstone," or "slabstone" pattern), which is rarer still in discrete bilateral nodules. This pattern is considered to be caused by pulmonary alveolar proteinosis, but its association with various diseases is unclear. CASE PRESENTATION: A 60-year-old man was diagnosed with pulmonary melanoma...
August 3, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27445536/rare-presentation-of-pulmonary-alveolar-proteinosis-causing-acute-respiratory-failure
#19
Ryan R Kroll, Sameer Kumar, Ronald F Grossman, Charles Price, John R Srigley
Pulmonary alveolar proteinosis (PAP) is a rare condition characterized by dysfunctional alveolar macrophages, which ineffectively clear surfactant and typically cause mild hypoxemia. Characteristic Computed Tomography findings are septal reticulations superimposed on ground-glass opacities in a crazy paving pattern, with a clear juxtaposition between affected and unaffected parenchyma. While traditionally PAP was diagnosed via biopsy, bronchoalveolar lavage (BAL) is usually sufficient; the fluid appears milky, and on microscopic examination there are foamy macrophages with eosinophilic granules and extracellular hyaline material that is Periodic Acid-Schiff positive...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27444696/-multicystic-presentation-of-a-lepidic-mucinous-adenocarcinoma
#20
A Beurton, E Gomez, D Mandry, J Champigneulle, P Perez, A Chaouat, F Chabot
INTRODUCTION: The pneumonic form is very characteristic of lepidic pattern adenocarcinoma of the lung. However, the diagnosis and treatment of the disease when it presents in this way may be delayed by atypical radiological findings and severity of hypoxemia. CASE REPORT: A 48-year-old female, non-smoker, asthmatic since the age of 20 years, was hospitalized for a diffuse infiltrative pneumonia complicated by severe respiratory failure. The history included chronic cough, gradually increasing dyspnoea on exertion lasting for 14 months and the onset of haemoptysis of low abundance associated with arthralgia in the previous month...
November 2016: Revue des Maladies Respiratoires
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