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Poggiali, Davide (2016) Postprocessing Neuroimaging methods in MRI and PET/MRI
with applications to Multiple Sclerosis and other Neurological diseases.
[Ph.D. thesis]

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Abstract (english)

Many non-invasive imaging instruments have been developed in the last 40 years, allowing to obtain images of the interior human body while the patient is still alive. In the contest of Neurology studies, imaging system as CT, MRI, SPECT or PET allows to obtain biomarkers useful to quantitatively distinguish between healthy and unhealthy subjects, evaluate the staging of a Neurological illness in a patient, evaluate the efficacy of a treatment, explore the causes of the illness.
In this work MRI and PET imaging system introduced from scratch, going from reconstruction from raw data to state-of-the art post-processing techniques and the computation of more popular biomarkers.
After these introduction, three original work using the recent PET/MRI imaging system are presented, with a particular focus on the methods. These three studies involve patients with Multiple Sclerosis, Alzheimer's Disease and Brain Tumor.

Abstract (italian)

Negli ultimi 40 anni sono stati sviluppati diversi strumenti di imaging non-invasivi, in modo da ottenere immagini dell'interno del corpo umano mentre il paziente è ancora in vita. Nel contesto neurologico, sistemi di imaging come TAC, RM, SPECT e PET permettono di ottenere biomarcatori utili a distinguere quantitativamente soggetti sani da pazienti con malattie neurologiche, valutare lo stato di avanzamento di una malattia in un paziente, valutare l'efficacia di un trattamento, esplorare le cause della malattia.
Nel presente lavoro si presentano i sistemi di acquisione di immagini RM e PET fin dalle fondamenta, partendo dai metodi di ricostruzione dell'immagine dai dati grezzi, allo stato dell'arte dei metodi di post-processing, fino al calcolo dei biomarcatori più diffusi.
Dopo tale introduzione saranno presentati tre lavori originali di imaging PET/MRI, con una particolare attenzione ai metodi. Questi tre lavori riguardano pazienti con Sclerosi Multipla, Morbo di Alzheimer e Tumori Cerebrali.

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EPrint type:Ph.D. thesis
Tutor:Pegoraro, Elena
Supervisor:Gallo, Paolo
Data di deposito della tesi:15 November 2016
Anno di Pubblicazione:11 November 2016
Settori scientifico-disciplinari MIUR:Area 01 - Scienze matematiche e informatiche > MAT/08 Analisi numerica
Area 06 - Scienze mediche > MED/26 Neurologia
Struttura di riferimento:Dipartimenti > Dipartimento di Scienze Cardiologiche, Toraciche e Vascolari
Dipartimenti > Dipartimento di Neuroscienze
Codice ID:9793
Depositato il:24 Nov 2017 09:51
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