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"Ground Glass Nodule"

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https://www.readbyqxmd.com/read/29329732/changes-in-quantitative-ct-image-features-of-ground-glass-nodules-in-differentiating-invasive-pulmonary-adenocarcinoma-from-benign-and-in-situ-lesions-histopathological-comparisons
#1
Y P Zhang, M A Heuvelmans, H Zhang, M Oudkerk, G X Zhang, X Q Xie
AIM: To evaluate progressive changes in quantitative CT features of the non-solid component of ground-glass nodules (GGNs) from baseline to follow-up to differentiate invasive (minimally invasive adenocarcinoma [MIA] and invasive adenocarcinoma [IA]) GGNs from benign or pre-invasive (adenocarcinoma in situ [AIS]) lesions. MATERIALS AND METHODS: Patients with a GGN detected at baseline and follow-up computed tomography (CT), examined by tissue sampling were included in the study...
January 9, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29313855/morphologic-characteristics-of-pulmonary-adenocarcinomas-manifesting-as-pure-ground-glass-nodules-on-ct
#2
COMMENT
Benedikt H Heidinger, Kevin R Anderson, Ursula Nemec, Daniel B Costa, Sidhu P Gangadharan, Paul A VanderLaan, Alexander A Bankier
No abstract text is available yet for this article.
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29312759/virtual-fluoroscopy-during-transbronchial-biopsy-for-locating-ground-glass-nodules-not-visible-on-x-ray-fluoroscopy
#3
Toshiyuki Nakai, Takehiro Izumo, Yuji Matsumoto, Takaaki Tsuchida
Background: Virtual fluoroscopy (VF) is a novel guided technique that provides ray summation images of target lesions similar to X-ray fluoroscopy. Endobronchial ultrasound with a guide sheath (EBUS-GS) is a useful modality for imaging ground-glass nodules (GGNs) but is not ideal for GGNs that cannot be detected on X-ray fluoroscopy. We evaluated whether the addition of VF to EBUS-GS improved the diagnostic yield. Methods: Consecutive patients who had undergone diagnostic bronchoscopy for GGNs that were not detected on X-ray fluoroscopy between September 2012 and January 2016 were retrospectively enrolled...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29312701/analysis-of-pulmonary-pure-ground-glass-nodule-in-enhanced-dual-energy-ct-imaging-for-predicting-invasive-adenocarcinoma-comparing-with-conventional-thin-section-ct-imaging
#4
Ying Zhang, Jian Tang, Jianrong Xu, Jiejun Cheng, Huawei Wu
Background: To investigate the value of dual energy computed tomography (DECT) parameters (including iodine concentration and monochromatic CT numbers) for predicting pure ground-glass nodules (pGGNs) of invasive adenocarcinoma (IA). Methods: A total of 55 resected pGGNs evaluated with both unenhanced thin-section CT (TSCT) and enhanced DECT scans were included. Correlations between histopathology [adenocarcinoma in situ (AIS), minimally IA (MIA), and IA] and CT scan characteristics were examined...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29307098/a-single-incision-thoracoscopic-and-robotic-hybrid-procedure-via-the-axillary-approach-in-a-patient-with-thyroid-lung-and-mediastinal-tumors
#5
Norihiko Ishikawa, Yumiko Ohtake, Go Watanabe
A 66-year-old woman was referred to our institute for an enlarging tumor of the thyroid, and neck and chest computed tomography scan showed not only a thyroid tumor, but also an anterior mediastinal tumor and ground-glass nodules in the lung. Because of persisting symptoms, an enlarging thyroid mass, and the possibility of cancer, excision of the tumors was proposed. A 6-cm-long vertical skin incision was made in the right axilla, a mini-thoracotomy was made in the third intercostal space, and an additional port was placed in the fifth intercostal space...
January 6, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29273964/hrct-texture-analysis-for-pure-or-part-solid-ground-glass-nodules-distinguishability-of-adenocarcinoma-in-situ-or-minimally-invasive-adenocarcinoma-from-invasive-adenocarcinoma
#6
Takuya Yagi, Motohiko Yamazaki, Riuko Ohashi, Rei Ogawa, Hiroyuki Ishikawa, Norihiko Yoshimura, Masanori Tsuchida, Yoichi Ajioka, Hidefumi Aoyama
PURPOSE: To distinguish between adenocarcinoma in situ (AIS)-minimally invasive adenocarcinoma (MIA) and invasive adenocarcinoma (IAC) showing pure or part-solid ground-glass nodules (GGNs) by high-resolution computed tomography (HRCT) texture analysis. MATERIALS AND METHODS: This retrospective study included 101 consecutive patients with 115 pure or part-solid GGNs ≤ 3 cm diameter, which were surgically resected and pathologically diagnosed with AIS, MIA, or IAC (48 AIS-MIA and 67 IAC) between April 2011 and March 2015...
December 22, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29273229/hrct-morphological-characteristics-distinguishing-minimally-invasive-pulmonary-adenocarcinoma-from-invasive-pulmonary-adenocarcinoma-appearing-as-subsolid-nodules-with-a-diameter-of-%C3%A2-3%C3%A2-cm
#7
X Yue, S Liu, S Liu, G Yang, Z Li, B Wang, Q Zhou
AIM: To differentiate retrospectively the morphological characteristics at high-resolution computed tomography (CT) between minimally invasive pulmonary adenocarcinoma (MIA) and invasive pulmonary adenocarcinoma (IAC) appearing as subsolid nodules (SNs) with a diameter of ≤3 cm and to provide information to help operative decision-making. MATERIALS AND METHODS: The patient notes of 260 patients with SNs of ≤3 cm in diameter (98 with MIA and 162 with IAC) confirmed at surgery and histopathology from September 2008 to June 2012 were reviewed retrospectively at the Department of Radiology, Weifang Respiratory Disease Hospital...
December 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29245278/tonsillar-metastasis-of-nonsmall-cell-lung-cancer-with-g719s-mutation-in-exon-18-a-case-report
#8
Yimin Wu, Zhouyu Zhu, Yongyuan Chen, Ying Chai
RATIONALE: Lung cancer has the highest mortality of all malignant tumors and is becoming the leading cause of death in China. Surgical resection is the best treatment for early non-small-cell lung carcinoma. But postoperative tumor recurrence is very common. Brain, bone and liver are the most common metastatic sites of lung cancer. PATIENT CONCERNS: A 59-year-old woman was admitted to our hospital finding a lung nodule in physical examination. No other obvious symptoms were obsessed in this patient...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29221312/port-access-thoracoscopic-bisubsegmentectomy-of-right-upper-lobe-posterior-and-anterior-segments
#9
Hirohisa Kato, Hiroyuki Oizumi, Jun Suzuki, Akira Hamada, Hikaru Watarai, Kenta Nakahashi, Mitsuaki Sadahiro
A 64-year-old woman was admitted to our hospital with a 16-mm non-solid tumor with pure ground-glass nodule (GGN) contents in the posterior segment near the anterior segment of her right upper lung lobe that was suspicious of adenocarcinoma in situ (AIS). Three-dimensional computed tomography (3DCT) simulation was performed to identify the subsegmental artery and vein pre- or intra-operatively. Port-access thoracoscopic bisubsegmentectomy of the right upper lobe was performed. A frozen section revealed AIS...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221308/how-to-manage-tumor-located-between-upper-division-and-lingular-segment-s3-s4-segmentectomy-and-s3b-s4-segmentectomy
#10
Shin-Ichi Yamashita, Yasuhiro Yoshida, Daisuke Hamatake, Takeshi Shiraishi, Katsunobu Kawahara, Akinori Iwasaki
Segmentectomy is one of the treatment of choice for small-sized non-small cell lung cancer (NSCLC). Although simple segmentectomy is feasible even if under thoracoscopy, complicated segmentectomy which contains more than two segmental plane divisions is difficult especially thoracoscopic surgery. We here present the case of totally thoracoscopic segmentectomy between upper division and lingular segment. In the first case, the 64-year-old female patient admitted for further examination and treatment of left lung ground glass nodule...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221257/adenocarcinoma-in-pure-ground-glass-nodules-histological-evidence-of-invasion-and-open-debate-on-optimal-management
#11
EDITORIAL
Gianluca Milanese, Nicola Sverzellati, Ugo Pastorino, Mario Silva
No abstract text is available yet for this article.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221252/pure-ground-glass-nodules-are-they-really-indolent
#12
EDITORIAL
Julien G Cohen, Gilbert R Ferretti
No abstract text is available yet for this article.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29201223/application-of-positron-emission-tomography-computed-tomography-in-the-diagnosis-of-pulmonary-ground-glass-nodules
#13
Lili Hu, Yuanwei Pan, Zhigang Zhou, Jianbo Gao
The aim of the present study was to investigate the value of positron emission tomography-computed tomography (PET-CT) using 18F-fluorodeoxyglucose in the clinical diagnosis of pulmonary ground-glass nodule. In total, 54 patients with pulmonary GGN that were identified by PET-CT examination were selected and confirmed by pathology and clinical diagnosis in hospital between April 2014 and April 2015. The association between PET-CT findings and pathology, and the value of PET-CT were then evaluated. In the 54 patients, solitary pulmonary GGN with a nodule diameter of between 0...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29197913/an-alternative-finger-in-robotic-assisted-thoracic-surgery-intraoperative-ultrasound-localization-of-pulmonary-nodules
#14
Zhenyu Zhou, Zhitian Wang, Zhelan Zheng, Jinlin Cao, Chong Zhang, Zhehao He, Wang Lv, Jian Hu
AIM: Robotic-assisted thoracic surgery (RATS) has become a promising treatment for pulmonary neoplasms. During RATS, intraoperative ultrasonography can act as an "alternative finger" to "touch" and locate lesions, especially pulmonary nodules. This study was aimed to investigate the efficacy of intraoperative ultrasonographic localization during da Vinci RATS procedures. MATERIAL AND METHODS: Patients with pulmonary nodules were randomly divided into an Experimental Group and Control Group in which nodules were respectively located using intraoperative ultrasonography or by the surgeon's anatomic knowledge...
November 29, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/29175099/ground-glass-nodule-segmentation-in-chest-ct-images-using-asymmetric-multi-phase-deformable-model-and-pulmonary-vessel-removal
#15
Julip Jung, Helen Hong, Jin Mo Goo
We propose a ground-glass nodule (GGN) segmentation method that can separate solid component and ground-glass opacity (GGO) using an asymmetric multi-phase deformable model in chest CT images. First, initial solid component and GGO were extracted using intensity-based segmentation with histogram modeling. Second, the initial extracted regions were refined using an asymmetric multi-phase deformable model with modified energy functional and intensity-constrained averaging function. Finally, vessel-like structures are removed based on multi-scale shape analysis...
November 20, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29157381/lung-neoplasms-with-low-f18-fluorodeoxyglucose-avidity
#16
REVIEW
Yiyan Liu
Some malignant lung neoplasms may demonstrate low or absent uptake on F18-fluorodeoxyglucose (FDG) PET/computed tomography. Pathologic type and clinical stage are independent factors associated with FDG avidity. Among lung malignancies with low FDG avidity, adenocarcinoma in situ and carcinoid are the most common. Early stage disease often has low FDG uptake. Small lesion size is another significant factor associated with negative FDG PET findings, which is due to a partial volume effect. Morphology of lung lesions on anatomic images may also affect FDG avidity...
January 2018: PET Clinics
https://www.readbyqxmd.com/read/29153815/en-bloc-upper-and-lower-lobe-trisegmentectomy-facilitated-by-displaced-segmental-airway
#17
Akifumi Nakamura, Shun-Ichi Watanabe, Yukio Watanabe, Keisuke Asakura, Kazuo Nakagawa
A 66-year-old woman was referred to our hospital. Computed tomography revealed a partly solid ground-glass nodule located in the left S(1+2) and spread over the left S(6). Pathologic diagnosis was primary adenocarcinoma (c-T2a N0 M0 c-stage IB). The left B(1+2) arose from the left main bronchus and was displaced superiorly behind the left main pulmonary artery. Severely incomplete lobulation was also recognized. We performed trisegmentectomy, and negative margins were confirmed. The patient is now asymptomatic without recurrence...
December 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29150624/semiquantative-visual-assessment-of-sub-solid-pulmonary-nodules-%C3%A2-3%C3%A2-cm-in-differentiation-of-lung-adenocarcinoma-spectrum
#18
Fu-Zong Wu, Po-An Chen, Carol C Wu, Pei-Lun Kuo, Shu-Ping Tsao, Chu-Chun Chien, En-Kuei Tang, Ming-Ting Wu
We aimed to analyze CT features of persistent subsolid nodules (SSN) ≦3 cm diagnosed pathologically as adenocarcinoma spectrum to investigate whether parameters enable distinction between invasive pulmonary adenocarcinomas (IPAs) and pre-invasive lesions. A total of 129 patients with 141 SSNs confirmed with surgically pathologic proof were retrospectively reviewed. Of 141 SSNs, there were 57 pure ground-glass nodules (GGNs), 22 heterogeneous GGNs, and 62 part-solid nodules. SSN subclassification showed a significant linear trend with invasive degree of the adenocarcinoma spectrum (pure GGNs 7%; heterogeneous GGNs 36...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29068976/diagnostic-value-of-contrast-enhanced-ct-scans-in-identifying-lung-adenocarcinomas-manifesting-as-ggns-ground-glass-nodules
#19
Feng Gao, Ming Li, Yingli Sun, Li Xiao, Yanqing Hua
This study aimed to explore the value of contrast-enhanced computed tomography (CT) scans in the differential diagnosis of atypical adenomatous hyperplasia, adenocarcinoma in situ, minimal invasive adenocarcinoma (MIA), and invasive adenocarcinoma (IAC), which manifested as ground glass nodules (GGNs) or mixed GGNs.Unenhanced and contrast-enhanced presurgical CT images of 136 cases of GGNs were compared. The nodules were diagnosed based on their solid portions and maximum dimensions, and the findings obtained using both contrast-enhanced and unenhanced CT images were analyzed in corroboration with the pathological diagnosis...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29052576/a-tuberous-sclerosis-family-with-tsc1-c-1030-1g-a-mutation-found-through-a-female-presenting-as-multiple-ground-glass-nodules-in-chest-computed-tomography-incidentally
#20
Ting-Ting Zhao, Yong-Sheng Wang, Yan Li, Miao Ma, Ai-Mei Li, Hou-Rong Cai, Xiang-Shan Fan, Fan-Qing Meng, Li-Yun Miao
No abstract text is available yet for this article.
October 20, 2017: Chinese Medical Journal
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