Results 211 to 220 of about 193,741 (293)

Solitary Fibrous Tumors of the Pleura With Extensive Intrathoracic Occupation: Report of Two Cases. [PDF]

open access: yesCase Rep Pulmonol
Villanueva-Villegas R   +5 more
europepmc   +1 more source

Primary Small Cell Carcinoma of the Thyroid With Absent Calcitonin Expression: A Diagnostic Challenge

open access: yesPathology International, Volume 76, Issue 11, November 2026.
Primary small cell carcinoma of the thyroid is an exceptionally rare neuroendocrine malignancy with significant diagnostic challenges. We report a calcitonin‐negative thyroid neuroendocrine tumor with small cell morphology, absence of amyloid deposition, diffuse expression of neuroendocrine markers, no immunoreactivity for CGRP, and no RET/RAS ...
João Carlos Almeida   +6 more
wiley   +1 more source

Contrast‐Enhanced Ultrasonography of Orbital and Intraocular Pathologies in 24 Dogs and 6 Cats

open access: yesVeterinary Ophthalmology, Volume 29, Issue 6, November 2026.
ABSTRACT Objective Contrast‐enhanced ultrasonography (CEUS) is a noninvasive and relatively safe imaging technique to assess ocular perfusion, showing high sensitivity and specificity for tumor characterization in human oncology, while reports on its application in canine and feline diseased eyes are limited.
Janneke I. Ortner   +3 more
wiley   +1 more source

Evolving role of proton therapy in contemporary oncology

open access: yesCancer, Volume 132, Issue 20, 15 October 2026.
Abstract Proton therapy offers a distinct physical advantage over photon radiotherapy through the Bragg peak dose concentration in target with both lower integral dose and finite path length, and sharper penumbra as compared to photons, collectively reducing radiation exposure to surrounding normal tissues and potentially improving the therapeutic ...
Emily S. Lebow, Helen A. Shih
wiley   +1 more source

Tumor‐Regional Immune Microenvironment: A Critical Factor in the Design of Radiotherapy–Immunotherapy Combination Trials

open access: yesInternational Journal of Cancer, Volume 159, Issue 8, Page 1857-1872, 15 October 2026.
ABSTRACT Clinical trials combining radiotherapy (RT) with immune checkpoint blockade (ICB) have shown improved outcomes in only a fraction of patients, and optimal strategies for integrating these modalities remain under intense investigation. With a few exceptions, phase III combination trials have yielded disappointing results.
Xuanwei Zhang   +10 more
wiley   +1 more source

T-lymphoblastic leukemia/lymphoma: a comprehensive review of pathology, molecular features, and differential diagnosis. [PDF]

open access: yesJ Pathol Transl Med
Danielson D   +5 more
europepmc   +1 more source

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