Publications by authors named "Ana Beatriz Marinho de Jesus Teixeira"
PCA and logistic regression in 2-[F]FDG PET neuroimaging as an interpretable and diagnostic tool for Alzheimer's disease.
Carlos Eduardo Gonçalves de Oliveira Whemberton Martins de Araújo Ana Beatriz Marinho de Jesus Teixeira Gustavo Lopes Gonçalves Emerson Nobuyuki Itikawa
Phys Med Biol
January 2024
to develop an optimization and training pipeline for a classification model based on principal component analysis and logistic regression using neuroimages from PET with 2-[F]fluoro-2-deoxy-D-glucose (FDG PET) for the diagnosis of Alzheimer's disease (AD).as training data, 200 FDG PET neuroimages were used, 100 from the group of patients with AD and 100 from the group of cognitively normal subjects (CN), downloaded from the repository of the Alzheimer's Disease Neuroimaging Initiative (ADNI). Regularization methods L1 and L2 were tested and their respective strength varied by the hyperparameter C.
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- Hypercalcemia, a common medical condition, can be difficult to diagnose, especially when the usual causes are ruled out; this case report describes a rare form caused by oil injections.
- A male adult with a history of abusing anabolic steroids and injecting mineral oil presented with hypercalcemia, kidney damage, and calcified nodules, leading to a diagnosis of PTH-independent hypercalcemia due to a foreign body reaction.
- The patient was treated with hydrocortisone, zoledronic acid, and hemodialysis, resulting in improved calcium and phosphorus levels, highlighting the need for greater awareness of oil injection as a potential cause of hypercalcemia.