Andres David Mosquera-ZamudioUniversity of Valencia | UV · Anatomía Patológica
Andres David Mosquera-Zamudio
Pathologist - PhD Candidate
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24
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Publications (24)
Background
Histopathology is a gold standard for cancer diagnosis. It involves extracting tissue specimens from suspicious areas to prepare a glass slide for a microscopic examination. However, histological tissue processing procedures result in the introduction of artifacts, which are ultimately transferred to the digitized version of glass slides...
Introduction: In Latin American countries, survival rates for highly malignant tumors show disparities in access to diagnosis and treatment between small and big cities. Colombia is an example where the rate of pathologists is 0.88 per 100,000 inhabitants. Oncopathologists are predominantly situated in major cities, being a minimal percentage of th...
Introduction: most of the digital pathology applications are related to oncology, although some recent models have been proposed to evaluate their usefulness in the histopathological diagnosis of microorganisms. Material and Methods: this review included 10 articles published in English, centered around the histopathological diagnosis of microorgan...
Introducción: la mayoría de las aplicaciones en patología digital se encuentran relacionadas con la oncológica, aunque se han propuesto algunos modelos recientes que permiten evaluar la utilidad en el diagnóstico histológico de microorganismos. Material y métodos: se realizó la siguiente revisión en la que se incluyeron 10 artículos publicados en i...
The histopathological classification of melanocytic tumours with spitzoid features remains a challenging task. We confront the complexities involved in the histological classification of these tumours by proposing machine learning (ML) algorithms that objectively categorise the most relevant features in order of importance. The data set comprises 1...
Background
Histopathology is a gold standard for cancer diagnosis. It involves extracting tissue specimens from suspicious areas to prepare a glass slide for a microscopic examination. However, histological tissue processing procedures result in the introduction of artifacts, which are ultimately transferred to the digitized version of glass slides...
Background: Histopathology is a gold standard for cancer diagnosis. It involves extracting tissue specimens from suspicious areas to prepare a glass slide for a microscopic examination. However, histological tissue processing procedures result in the introduction of artifacts, which are ultimately transferred to the digitized version of glass slide...
Spitzoid tumors (ST) are a group of melanocytic tumors of high diagnostic complexity. Since 1948, when Sophie Spitz first described them, the diagnostic uncertainty remains until now, especially in the intermediate category known as Spitz tumor of unknown malignant potential (STUMP) or atypical Spitz tumor. Studies developing deep learning (DL) mod...
Deep learning-based algorithms have led to tremendous progress over the last years, but they face a bottleneck as their optimal development highly relies on access to large datasets. To mitigate this limitation, cross-silo federated learning has emerged as a way to train collaborative models among multiple institutions without having to share the r...
Simple Summary
Deep learning (DL) is expanding into the surgical pathology field and shows promising outcomes in diminishing subjective interpretations, especially in dermatopathology. We aim to show the efforts of implementing DL models for melanocytic tumors in whole slide images. Four electronic databases were systematically searched, and 28 stu...
Over the last decades, deep learning-based algorithms have witnessed tremendous progress in the medical field to assist pathologists in clinical decisions and reduce their workload. For these models to reach their full potential, access to large and diverse datasets is essential, but collaborations between hospitals are highly limited by privacy-re...
Melanoma is an aggressive neoplasm responsible for the majority of deaths from skin cancer. Specifically, spitzoid melanocytic tumors are one of the most challenging melanocytic lesions due to their ambiguous morphological features. The gold standard for its diagnosis and prognosis is the analysis of skin biopsies. In this process, dermatopathologi...
Melanoma is an aggressive neoplasm responsible for the majority of deaths from skin cancer. Specifically, spitzoid melanocytic tumors are one of the most challenging melanocytic lesions due to their ambiguous morphological features. The gold standard for its diagnosis and prognosis is the analysis of skin biopsies. In this process, dermatopathologi...
Analysis of tubular glands plays an important role for gastric cancer diagnosis, grading, and prognosis; however, gland quantification is a highly subjective task, prone to error. Objective identification of glans might help clinicians for analysis and treatment planning. The visual characteristics of such glands suggest that information from nucle...
Abstract Background Autopsies have been an essential element to healthcare professionals’ training, as well as to research processes, education, and public health. In spite of the decline of clinical autopsy rate after the Joint Commission on the Accreditation of Hospitals eliminated the minimum autopsy rate required for accrediting hospitals, in C...
Introduction
There is an emerging need for telecytology in Colombia as the demand for cytopathology has increased. However, due to economic and technological constraints telecytology services are limited. Our aim was to evaluate the diagnostic feasibility of using whole slide imaging with and without Z‐stacking for telecytology in Colombia, South A...
Gastrointestinal bleeding in HIV patients secondary to coinfection by HHV8 and development of Kaposi’s sarcoma (KS) is a rare complication even if no skin lesions are detected on physical examination. This article indicates which patients might develop this type of clinical sign and also tries to recall that absence of skin lesions never rules out...