Results 51 to 60 of about 111,856 (224)

Primary Atypical Carcinoid Tumour of the Sphenoid Sinus Rostrum

open access: yesCase Reports in Otolaryngology, 2014
Primary carcinoid tumors of the nasal cavity and sinuses are exceedingly rare. An accurate histopathological diagnosis is crucial to optimal investigation and management.
Kate A. Stephenson, Darlene E. Lubbe
doaj   +1 more source

AI for pathologists: a universal lymph node metastasis detection app that enhances efficiency while preserving diagnostic accuracy

open access: yesThe Journal of Pathology: Clinical Research, Volume 12, Issue 1, January 2026.
Abstract Increasing workload combined with the shortage of pathologists is the leading cause of diagnostic errors and delays. Nonetheless, in clinical practice, pathologists often spend hours on tedious tasks such as counting mitoses and searching for lymph node micro‐metastasis, which may yield unreliable results.
Jennifer Vazzano   +15 more
wiley   +1 more source

Case Report: Neuroendocrine Tumor With Cardiac Metastasis

open access: yesFrontiers in Cardiovascular Medicine, 2020
Neuroendocrine tumors (NETs), also known as carcinoid tumors, are a heterogeneous group of neoplasms that arise from cells throughout the neuroendocrine system, most commonly arising from the gastrointestinal (GI) tract, lungs, and bronchi.
Rachel E. Kinney   +4 more
doaj   +1 more source

Pigmented spindle cell variant of a thymic atypical carcinoid in an octogenarian

open access: yesSurgical Case Reports, 2021
Background A pigmented carcinoid is an extremely rare variant of carcinoid characterized by melanin pigmentation of the tumor, with only five cases described in the literature.
Yasushi Sakamaki   +5 more
doaj   +1 more source

Tryptophan metabolite atlas uncovers organ, age, and sex‐specific variations

open access: yesFEBS Open Bio, Volume 16, Issue 1, Page 52-67, January 2026.
Tryptophan metabolites were analyzed across twelve organs, the central nervous system, and serum in male and female mice at three life stages. We found tissue‐, sex‐, and age‐specific differences, including increased indole‐3‐pyruvate and kynurenine in aging males.
Lizbeth Perez‐Castro   +8 more
wiley   +1 more source

Metastatic renal carcinoid: To skin, lungs, and pancreas

open access: yesLung India, 2017
Carcinoid tumors rarely originate in the urogenital system. We represent a unique case of primary renal carcinoid tumor which was initially diagnosed as renal cell cancer and 10 years later correctly diagnosed as metastatic renal carcinoid.
Hammad Arshad, Parth Rali, Khalid Malik
doaj   +1 more source

Biomaterial Strategies for Targeted Intracellular Delivery to Phagocytes

open access: yesAdvanced Functional Materials, Volume 36, Issue 1, 2 January 2026.
Phagocytes are essential to a functional immune system, and their behavior defines disease outcomes. Engineered particles offer a strategic opportunity to target phagocytes, harnessing inflammatory modulation in disease. By tuning features like size, shape, and surface, these systems can modulate immune responses and improve targeted treatment for a ...
Kaitlyn E. Woodworth   +2 more
wiley   +1 more source

Gastric Carcinoid with Hypergastrinemia: Report of Three Cases

open access: yesCase Reports in Medicine, 2010
We report 3 cases of gastric carcinoids with hypergastrinemia. Case 1: A 60-year-old man had a 2 cm carcinoid of the stomach and underwent partial resection.
Katsuyoshi Furumoto   +7 more
doaj   +1 more source

A Retrospective Study on the Clinicopathological Characteristics and Prognostic Analysis of Gynecologic Neuroendocrine Carcinoma

open access: yesCancer Medicine, Volume 15, Issue 1, January 2026.
ABSTRACT Background Gynecologic neuroendocrine carcinomas (NECs) are rare, highly aggressive malignancies with early metastatic potential and limited evidence to guide optimal management across different primary sites. Aims To characterize the clinicopathological features, treatment patterns, survival outcomes, and prognostic factors of gynecologic ...
Yedan Ren   +3 more
wiley   +1 more source

A Rare Primary Neuroendocrine Tumor (Typical Carcinoid) of the Sublingual Gland

open access: yesCase Reports in Dentistry, 2016
A typical carcinoid is extremely rare in the oral cavity. We here present a case of a typical carcinoid arising in the sublingual gland of a 62-year-old woman.
Kenji Yamagata   +6 more
doaj   +1 more source

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