Results 91 to 100 of about 64,970 (243)

The Postural Tachycardia Syndrome (POTS): Pathophysiology, Diagnosis & Management [PDF]

open access: yes, 2006
Postural tachycardia syndrome (POTS), characterized by orthostatic tachycardia in the absence of orthostatic hypotension, has been the focus of increasing clinical interest over the last 15 years 1. Patients with POTS complain of symptoms of tachycardia,
Raj, Satish R
core   +1 more source

Comorbidities in aging patients with sickle cell disease. [PDF]

open access: yes, 2018
Sickle cell disease (SCD) in general and sickle cell anemia in particular is a highly complex disorder both at the molecular and clinical levels. Although the molecular lesion is a single-point mutation, the sickle gene is pleiotropic in nature causing ...
Ballas, Samir K.
core   +2 more sources

FEOCROMOCITOMA PHEOCHROMOCYTOMA

open access: yesRevista Clínica Escuela de Medicina UCR-HSJD, 2019
El feocromocitoma es un tumor neuroendocrino, derivado de la cresta neural y que se caracteriza por ser productor de catecolaminas. En su mayoría se presentan entre la cuarta y quinta década, sin diferenciación alguna entre los sexos. Un 20 a 40% de los pacientes presenta la triada clásica de los feocromocitomas, compuesta por: cefalea ...
González León, Danny   +2 more
openaire   +4 more sources

Mutations of the ret protooncogene in German multiple endocrine neoplasia families: Relation between genotype and phenotype. [PDF]

open access: yes, 1996
It has been suggested that not only the position but also the nature of the mutations of the ret protooncogene strongly correlate with the clinical manifestation of the multiple endocrine neoplasm type 2 (MEN 2) syndrome.
Deckart, H. F.   +15 more
core   +1 more source

A Multi‐Institutional Retrospective Study of 21 Dogs Having Undergone Hypofractionated Radiotherapy for Adrenal Tumours (2017–2024)

open access: yesVeterinary and Comparative Oncology, EarlyView.
ABSTRACT Radiation therapy (RT) has emerged as a promising non‐surgical approach for treating canine adrenal tumours. This multi‐institutional, retrospective study describes clinical outcomes for 21 dogs having been prescribed a course of hypofractionated image‐guided intensity‐modulated RT (IMRT) entailing delivery of 25–35 Gy total in 5 fractions ...
Yen‐Hao Erik Lai   +4 more
wiley   +1 more source

Laparoscopic management of recurrent pheochromocytoma: A case report

open access: yesJournal of Minimal Access Surgery, 2016
Recurrence of pheochromocytoma after a total adrenalectomy is uncommon. Such recurrent tumours are mostly managed by the open technique, with very few studies reporting laparoscopic management.
Harshit Garg   +3 more
doaj   +1 more source

Undiagnosed pheochromocytoma presenting as a pancreatic tumor: A case report

open access: yesOpen Medicine, 2020
Pheochromocytoma is a rare catecholamine-producing tumor of the adrenal gland. Patients with known pheochromocytoma undergoing surgery require preoperative treatment with alpha-blockers to reduce the risk of intraoperative complications related to ...
Legocka Malgorzata Emilia   +5 more
doaj   +1 more source

Minimal requirements for exocytosis [PDF]

open access: yes, 1985
The membrane-permeabilizing effects of streptolysin O, staphylococcal alpha-toxin, and digitonin on cultured rat pheochromocytoma cells were studied. All three agents perturbed the plasma membrane, causing release of intracellular 86Rb+ and uptake of ...
Ahnert-Hilger, G.   +2 more
core  

Cancer heterogeneity explored through immune cell deconvolution of the tumor microenvironment

open access: yesQuantitative Biology, Volume 14, Issue 3, September 2026.
Abstract Cancer is a highly heterogeneous disease, characterized by significant variability across multiple dimensions. This diversity has been extensively studied from various perspectives. In this study, we aim to examine cancer heterogeneity through the lens of immune cell composition within the tumor microenvironment.
Limin Jiang   +4 more
wiley   +1 more source

Molecular Aspects of Secretory Granule Exocytosis by Neurons and Endocrine Cells [PDF]

open access: yes, 1994
Neuronal communication and endocrine signaling are fundamental for integrating the function of tissues and cells in the body. Hormones released by endocrine cells are transported to the target cells through the circulation.
Ahnert-Hilger G.   +28 more
core   +1 more source

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