New progress in optical diagnosis in densely laden flows

1986 ◽  
Author(s):  
G. Gouesbet ◽  
P. Gougeon ◽  
J. N. Le Toulouzan ◽  
B. Maheu ◽  
M. Thioye
Keyword(s):  
Optical Diagnosis

Radial phase variation computing: a tool to improve flaw detection in optical diagnosis by shearographic images

2013 ◽  
Vol 52 (22) ◽  
pp. 5460 ◽  
Author(s):  
Analucia V. Fantin ◽  
Daniel P. Willemann ◽  
Matias R. Viotti ◽  
Armando Albertazzi
Keyword(s):  
Flaw Detection ◽  
Phase Variation ◽  
Optical Diagnosis ◽  
Radial Phase

scholarly journals A118 POLYP SIZE CUT-OFF LEVEL TO IMPLEMENT OPTICAL POLYP DIAGNOSIS

2021 ◽  
Vol 4 (Supplement_1) ◽  
pp. 98-99
Author(s):  
M Taghiakbari ◽  
R Djinbachian ◽  
D von Renteln
Keyword(s):  
Colorectal Polyps ◽  
Optical Diagnosis ◽  
Clinical Implementation ◽  
Polyp Size ◽  
Funding Agencies ◽  
Size Groups ◽  
Surveillance Interval ◽  
High Reduction ◽  
Advanced Adenomas ◽  
Post Hoc

Abstract Background Optical polyp diagnosis can be used for real-time pathology prediction of colorectal polyps ≤10 mm. However, the risk of misdiagnosing a polyp with advanced pathology potentially increases with increasing polyp size. Aims This study aimed to evaluate different size cut-offs for using optical polyp diagnosis and the associated risk of patients undergoing inadequate follow-up or surveillance. Methods In a post-hoc analysis of two prospective studies, the performance of optical diagnosis was evaluated in three polyp size groups: 1–3 mm, 1–5 mm, and 1–10 mm. The primary outcome was the proportion of patients with advanced adenomas and delayed or inappropriate surveillance. Secondary outcomes included percentage of polyps with advanced pathology, agreement between surveillance intervals based on high-confidence optical diagnosis and pathology outcomes, reduction in histopathological examinations, and proportion of patients who could receive an immediate surveillance interval recommendation. Results We included 1525 patients with complete colonoscopies (mean age 62.9 years, 50.2% male). The percentage of patients with advanced adenomas and delayed or inappropriate surveillance was 0.7%, 1.7%, and 1.8% when using optical diagnosis for patients with polyps of 1–3, 1–5, and 1–10 mm, respectively. The percentage of polyps with advanced pathology was 0.5%, 1.4%, and 1.9%, respectively. Surveillance interval agreement between pathology and optical diagnosis was 99%, 98%, and 97.8%, respectively. Total reduction in pathology examinations was 33.9%, 53.5%, and 69.0%, respectively. Conclusions A 3-mm cut-off for clinical implementation of optical polyp diagnosis yielded high surveillance interval agreement with pathology and a high reduction in pathology examinations while minimizing the risk of inappropriate management for polyps with advanced pathology. Funding Agencies None

Optical diagnosis of cervical cancer by intrinsic mode functions

2017 ◽  
Author(s):  
Sabyasachi Mukhopadhyay ◽  
Sawon Pratiher ◽  
Souvik Pratiher ◽  
Asima Pradhan ◽  
Nirmalya Ghosh ◽  
...  
Keyword(s):  
Cervical Cancer ◽  
Intrinsic Mode Functions ◽  
Optical Diagnosis

Optical diagnosis of the progression and reversal of CCl4-induced liver injury in rodent model using minimally invasive autofluorescence spectroscopy

The Analyst ◽  
2015 ◽  
Vol 140 (11) ◽  
pp. 3773-3780 ◽  
Author(s):  
Shaiju S. Nazeer ◽  
S. Sandhyamani ◽  
Ramapurath S. Jayasree
Keyword(s):  
Liver Injury ◽  
Minimally Invasive ◽  
Rodent Model ◽  
Spectral Features ◽  
Optical Diagnosis ◽  
Schematic Representation ◽  
Autofluorescence Spectroscopy

Schematic representation of the degree of intoxicant-induced liver injury and regeneration and the minimally invasive analysis using autofluorescence spectral features.

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