User profiles for Marcos A.D. Machado

Marcos AD Machado

Medical Physicist, Hospital São Rafael
Verified email at radtec.com.br
Cited by 82

[HTML][HTML] Multi-center Integrating Radiomics, Structured Reports, and Machine Learning Algorithms for Assisted Classification of COVID-19 in Lung Computed …

MAD Machado, RRE Silva, M Namias… - Journal of Medical and …, 2023 - Springer
Purpose To evaluate the classification performance of structured report features, radiomics,
and machine learning (ML) models to differentiate between Coronavirus Disease 2019 (…

Optimization of oncological 18F‐FDG PET/CT imaging based on a multiparameter analysis

VO Menezes, MAD Machado, CC Queiroz… - Medical …, 2016 - Wiley Online Library
Purpose: This paper describes a method to achieve consistent clinical image quality in 18 F‐FDG
scans accounting for patient habitus, dose regimen, image acquisition, and processing …

Protocols for harmonized quantification and noise reduction in low-dose oncologic 18F-FDG PET/CT imaging

MAD Machado, VO Menezes, M Namías… - Journal of Nuclear …, 2019 - Soc Nuclear Med
Oncologic 18 F-FDG PET/CT acquisition and reconstruction protocols need to be optimized
for both quantitative and detection tasks. To date, most studies have focused on either …

Association between increased Subcutaneous Adipose Tissue Radiodensity and cancer mortality: Automated computation, comparison of cancer types, gender, and …

MAD Machado, TF Moraes, BHL Anjos… - Applied Radiation and …, 2024 - Elsevier
Purpose Body composition analysis using computed tomography (CT) is proposed as a
predictor of cancer mortality. An association between subcutaneous adipose tissue radiodensity (…

Systems for therapeutic angiogenesis in tissue engineering

S Soker, M Machado, A Atala - World journal of urology, 2000 - Springer
… Recent advances in our understanding of the process of bloodvessel growth have provided
significant tools for the neovascularization of bioengineered tissues. Several growth factors …

[HTML][HTML] The fourteenth data release of the sloan digital sky survey: First spectroscopic data from the extended baryon oscillation spectroscopic survey and from the …

…, V de Sainte Agathe, AD Machado… - The Astrophysical …, 2018 - iopscience.iop.org
… de Icaza Lizaola 4 , Axel de la Macorra 68 , Sylvain de la Torre 37 , Nathan De Lee 69,32 ,
Victoria de Sainte Agathe 70 , Alice Deconto Machado 61,65 , Flavia Dell'Agli 2,3 , Timothée …

The 13th data release of the Sloan Digital Sky Survey: First spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

…, L Da Costa, GDS Ilha, AD Machado… - The Astrophysical …, 2017 - iopscience.iop.org
… , Kyle Dawson 23 , Luiz Da Costa 17,58 , Gabriele Da Silva Ilha 17,50 , Alice Deconto
Machado 17,50 , Timothée Delubac 60 , Nathan De Lee 28,61 , Axel De la Macorra 14 , Sylvain …

[HTML][HTML] Prostate innervation and local anesthesia in prostate procedures

AO Rodrigues, MT Machado… - Revista do Hospital das …, 2002 - SciELO Brasil
The nerve supply of the human prostate is very abundant, and knowledge of the anatomy
contributes to successful administration of local anesthesia. However, the exact anatomy of …

Revisão: radioproteção aplicada à Medicina Nuclear

MAD Machado, VO Menezes, CC Queiroz… - Revista Brasileira de …, 2010 - rbfm.org.br
Marcos AD Machado1,2,3, Vinícius O. Menezes1,2,3, Cleiton C. Queiroz1,2,3, Daniel C. …
Correspondência: Marcos Antônio Dórea Machado – Monte Tabor Hospital São Rafael …

The physiology of the midgut of Lutzomyia longipalpis (Lutz and Neiva 1912): pH in different physiological conditions and mechanisms involved in its control

VC Santos, RN Araujo, LAD Machado… - Journal of …, 2008 - journals.biologists.com
Nutrient digestion and absorption after blood feeding are important events for Lutzomyia
longipalpis, which uses these nutrients to produce eggs. In this context, the pH inside the …