Santiago Ortiz
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On the interim statistics for compact group characteristic polynomials and their derivatives Open
The Keating-Snaith central limit theorem proves that $Λ_N(A)=\log\det(I-A)$, for randomly drawn $A\in \operatorname{U}(N)$, suitably normalised, tends to a complex Gaussian random variable in the large $N$ limit. The deviations of the real…
Molecular Imaging in Endometrial Cancer: A Narrative Review Open
Background/Objectives: Endometrial cancer (EC) is the most common gynecological tumor in developed countries and presents a wide variety of histological and molecular characteristics that make its treatment increasingly complex. In recent …
Computational modeling of epidemiological count data using Non-Homogeneous Poisson Processes and functional data Open
In this work, we introduce a novel methodology for modeling discrete count variables within the framework of stochastic processes. Our approach integrates two statistical areas: Non-Homogeneous Poisson Processes for the estimation and pred…
Early vs late ICU admission in patients with COVID-19 pneumonia Open
Introduction: The type of admission to the Intensive Care Unit (ICU) influences the prognosis of patients with severe pneumonia and, in the case of patients with COVID-19 pneumonia, this is still unexplored. The objective of this study was…
Nefritis tubulointersticial aguda por uso de diclofenaco tópico en paciente pediátrico Open
Introduction: Tubulointerstitial nephritis (TIN) is a histological diagnosis that can manifest with the classic triad: fever, rash, and eosinophilia. Among the leading causes is consuming non-steroidal anti-inflammatory drugs (NSAIDs) and …
Identification of Hazard and Socio-Demographic Patterns of Dengue Infections in a Colombian Subtropical Region from 2015 to 2020: Cox Regression Models and Statistical Analysis Open
Dengue is a disease of high interest for public health in the affected localities. Dengue virus is transmitted by Aedes species and presents hyperendemic behaviors in tropical and subtropical regions. Colombia is one of the countries most …
Evaluation of seromas in postmastectomy breast reconstruction: A retrospective observational study Open
We found a significantly lower incidence of seroma as a complication in patients who underwent MSLD breast reconstruction compared with those who underwent CLD breast reconstruction.
Dexamethasone vs methylprednisolone high dose for Covid-19 pneumonia Open
Background There is no effective therapy for the severe acute respiratory syndrome by coronavirus 2 (SARS-CoV2) responsible for the Coronavirus disease 2019 (Covid-19). To date, dexamethasone has shown a decrease in mortality in patients w…
Sclerotherapy in the Treatment of Familial Disseminated Cutaneous Glomuvenous Malformations: Case Report Open
Glomuvenous malformations usually present as soft bluish-purple dermal or subcutaneous papules, nodules or plaques, and can occur as sporadic or inherited lesions. We present the case of a 41-year-old female, referred for evaluation of dis…
Endometrioid Adenofibroma: A Case of This Uncommon Benign Tumor of the Ovary Not Associated to Borderline or Endometrioid Carcinoma Open
Endometrioid adenofibroma is a benign epithelial and stromal tumor with an endometrioid epithelial component. Less than 20% of the surface epithelial tumors of the ovary have endometrioid differentiation. The majority of endometrioid ovari…
Fatal Pituitary Tumor Apoplexy Presenting With Behavioral Disorder Open
Pituitary apoplexy (PA) is a rare but potentially fatal ischemic or hemorrhagic phenomenon, with an annual incidence around 1.2 per million. It is often misdiagnosed because most patients have subclinical pituitary adenomas and its present…
Synchronous brain and intravascular B‐cell lymphoma after remission of an adult hemophagocytic syndrome Open
Key Clinical Message Hemophagocytic lymphohistiocytosis ( HLH ) should be considered in the differential diagnosis of adult patients with white matter disease. Brain involvement can be life‐threatening and should prompt aggressive therapy.…