Results 71 to 80 of about 18,068 (256)

A rare case of perianal alveolar rhabdomyosarcoma

open access: yesClinical Case Reports
Key Clinical Message Perianal alveolar rhabdomyosarcoma is a rare sarcoma that requires a high index of suspicion along with tissue biopsy for accurate diagnosis.
Anas Taha   +5 more
doaj   +1 more source

Anal cancer precursor lesions in HIV-positive and HIV-negative patients seen at a tertiary health institution in Brazil Lesões precursoras do câncer anal em pacientes HIV-positivos e HIV-negativos atendidos numa instituição de saúde terciária no Brasil

open access: yesActa Cirúrgica Brasileira, 2011
Purpose: To investigate the prevalence of anal squamous intraepithelial lesions (ASIL) or anal cancer in patients attended at the Tropical Medicine Foundation of Amazonas.
Ivan Tramujas da Costa e Silva   +8 more
doaj   +1 more source

Research progress on the use of the optical coherence tomography system for the diagnosis and treatment of central nervous system tumors

open access: yesIbrain, Volume 11, Issue 1, Page 3-18, Spring 2025.
With the advantages of high‐resolution imaging, efficient image acquisition, intraoperative real‐time detection, and radiation‐free and noninvasive characteristics, optical coherence tomography (OCT) provides accurate diagnosis and effective intraoperative guidance for the minimally invasive diagnosis and treatment of central nervous system (CNS ...
Jiuhong Li   +10 more
wiley   +1 more source

Neurofibrosarcoma of the perineum associated with von Recklinghausen's disease: a case report and review of the literature [PDF]

open access: yes, 1983
A case of perineal neurofibrosarcoma associated with von Recklinghausen's disease is reported. The patient was a 30-year-old man, who complained of a mass between the scrotum and anus. The mass was asymptomatic. On Jan.
新, 武三   +6 more
core  

Morphometric analysis of dendritic cells from anal mucosa of HIV-positive patients and the relation to intraepithelial lesions and cancer seen at a tertiary health institution in Brazil Análise morfométrica das células dendríticas da mucosa anal de pacientes HIV-positivos e relação com as lesões intraepiteliais e o câncer numa instituição de saúde terciária no Brasil

open access: yesActa Cirúrgica Brasileira, 2011
PURPOSE: To morphometrically quantify CD1a+ dentritic cells and DC-SIGN+ dendritic cells in HIV-positive patients with anal squamous intraepithelial neoplasia and to evaluate the effects of HIV infection, antiretroviral therapy and HPV infection on ...
Adriana Gonçalves Daumas Pinheiro Guimarães   +11 more
doaj   +1 more source

PET imaging in adaptive radiotherapy of gastrointestinal tumors

open access: yes, 2018
INTRODUCTION: Radiotherapy is a cornerstone in the multimodality treatment of several gastrointestinal (GI) tumors. Positron-emission tomography (PET) has an established role in the diagnosis, response assessment and (re-)staging of these tumors ...
Haustermans, Karin   +3 more
core   +1 more source

The 9th Edition of the UICC TNM Classification of Malignant Tumours: Updates and Rationale for Change

open access: yesInternational Journal of Cancer, EarlyView.
ABSTRACT The standard for assessing and recording the extent of the tumour, a necessity for most malignancies, is the Tumour Node Metastases (TNM) classification. The Union for International Cancer Control (UICC) TNM committee has defined this since the early 1950s.
James D. Brierley   +8 more
wiley   +1 more source

Sensitive detection systems for infectious agents in xenotransplantation*

open access: yesXenotransplantation, EarlyView., 2020
Abstract Xenotransplantation of pig cells, tissues, or organs may be associated with transmission of porcine microorganisms, first of all of viruses, to the transplant recipient, potentially inducing a disease (zoonosis). I would like to define detection systems as the complex of sample generation, sample preparation, sample origin, time of sampling ...
Joachim Denner
wiley   +1 more source

Synthesis and Characterization of Juglone‐Derived cu (II), Mn (II) and Zn (II) Complexes and Investigation of Their Cytotoxic Activities Against Lung and Colon Cancer Cells in Vitro and in Silico

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Three new Zn (II), Cu (II) and Mn (II) complexes have been synthesized from 5‐hydroxy‐1,4‐naphthoquinone (HNQ). Elemental analysis, magnetic susceptibility, UV–Vis, IR and Mass spectrometry have all been used to explore the structural characterization of these compounds.
Mustafa Öztatlıcı   +5 more
wiley   +1 more source

Mapping the Landscape of Over‐Scanning in CT Imaging: A Scoping Review

open access: yesJournal of Medical Radiation Sciences, EarlyView.
Over‐scanning in CT is highly prevalent and contributes to unnecessary radiation exposure, with notable impact on radiosensitive organs. Standardised protocols and AI‐assisted planning show strong potential to optimise scan range and reduce excess dose.
Mo'men Bani‐Ahmad   +5 more
wiley   +1 more source

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