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| http://dx.doi.org/10.4103/0973-029X.185905 | DOI Listing |
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Contemporary Approach to the Diagnosis and Classification of Intestinal T-cell Lymphomas.
Hum Pathol
January 2025
Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. Electronic address:
We provide an overview of recent advances in the diagnosis and classification of intestinal T- and NK-cell lymphomas and lymphoproliferative disorders that primarily involve the gastrointestinal (GI) tract. It should be mentioned that systemic T- and NK-cell lymphomas can present initially in the GI tract but are not the focus of this review. Here, we focus on the clinical and pathologic findings of enteropathy-associated T-cell lymphoma, monomorphic epitheliotropic intestinal T-cell lymphoma, intestinal T-cell lymphoma not otherwise specified, indolent T-cell lymphoproliferative disorder of the GI tract and indolent NK-cell lymphoproliferative disorder of the GI tract (previously known as NK-cell enteropathy).
View Article and Find Full Text PDFSenear-Usher Syndrome or Coexistence of SLE with Pemphigus Vulgaris-A Case Report with Literature Review.
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January 2025
Department of Dermatology and Venereology, Medical University of Lodz, pl. Hallera 1, 90-647 Lodz, Poland.
Senear-Usher syndrome, or pemphigus erythematosus (PE), is a rare autoimmune disorder characterized by the coexistence of features from both lupus erythematosus (LE) and pemphigus foliaceus (PF). We describe a 41-year-old patient initially diagnosed with cutaneous and then systemic lupus erythematosus (SLE), who after a few years developed new skin lesions: erythematous and erosive eruptions partially covered by crusts located on the trunk and flaccid blisters on the extremities. Direct immunofluorescence of perilesional skin revealed deposits of IgG in the intercellular space of the epidermis and granular deposits of C3 at the dermo-epidermal junction.
View Article and Find Full Text PDFAtypical Metastases from Prostate Cancer: Alpha-Methylacyl-Coenzyme A Racemase (AMACR) as a Potential Molecular Target in Prostate-Specific Membrane Antigen-Negative Prostate Adenocarcinoma.
Biomolecules
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Department of Translational Medicine, University of Ferrara, Via Aldo Moro 8, 44124 Ferrara, Italy.
Prostate cancer (PCa) is a high-prevalence disease usually characterized by metastatic spread to the pelvic lymph nodes and bones and the development of visceral metastases only in the late stages of disease. Positron Emission Tomography (PET) plays a key role in the detection of PCa metastases. Several PET radiotracers are used in PCa patients according to the stage and pathological features of the disease, in particular Ga/F-prostate-specific membrane antigen (PSMA) ligands.
View Article and Find Full Text PDFDiffuse expression of p16 in pancreatic neuroendocrine tumors (PanNETs) and the association of morphology variants.
Am J Clin Pathol
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Department of Pathology, Duke University Medical Center, Durham, NC, US.
Objective: Distinguishing grade 3 pancreatic neuroendocrine tumors (PanNETs) from neuroendocrine carcinomas (PanNECs) is sometimes challenging. Recently, a diffuse p16-positive pattern was reported in PanNECs but not in grade 3 PanNETs, suggesting that p16 could help differentiate these entities. This study aimed to investigate p16 expression in PanNETs of various grades and its association with clinicopathologic features.
View Article and Find Full Text PDFUncommon Diterpenoids with Diverse Frameworks from the South China Sea Sponge and Their Anti-inflammatory Activities.
J Org Chem
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School of Medicine, Shanghai University, 99 Shangda Road, BaoShan District, Shanghai 200444, China.
Uncommon diterpenoids with diverse frameworks, including one unexpected iodinated oxa-6/6/6/6-tetracyclic diterpene () and its monobrominated 6/6/6-tricyclic analogue () and one novel isodolastane-type diterpene featuring an unusual aromatic 5/7/6-tricyclic ring system () as well as a related known dolastane-type diterpenoid (), were isolated from the South China Sea sponge . Their structures, including absolute configurations, were established by extensive spectroscopic data analysis, X-ray diffraction analysis, and quantum mechanical-nuclear magnetic resonance and time-dependent density functional theory/electronic circular dichroism calculations. A plausible biosynthetic pathway of new compounds - was proposed.
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