RESUMO
Granular cell tumours (GCTs) are rare soft tissue tumours of neural origin. They have been reported in multiple anatomical sites. However, only 14 cases worldwide have been reported arising from the abdominal wall. While they can clinically manifest in a variety of ways, often they present as a small, slow-growing nodule with benign features. They can, however, be malignant, and in rare cases, they have been reported to metastasise. Here, we present a case of a rare abdominal wall GCT, which was managed with local excision. The purpose of this paper is to report the patient's clinical history, presentation, and surgical management, as well as to review the current literature to highlight the existence of this rare entity and the possibility that this may occur and should be considered a differential diagnosis in clinical practice.
RESUMO
We describe a case of delayed presentation of a very large infra-renal inflammatory abdominal aortic aneurysm. This case highlights the importance of early detection and surveillance of aneurysms in rural communities. Definitive management of symptomatic aneurysms is time critical, and any delay such as for the transfer of patients from a rural site can impact patient survival. We present an example of a rare variant of abdominal aortic aneurysm.
RESUMO
OBJECTIVE: Osteoprotegerin (OPG) and osteopontin (OPN) have been identified within unstable atherosclerosis and circulating concentrates have been linked to cardiovascular events. We studied the influence of OPG and OPN on endothelial adhesion molecule expression and monocyte binding. METHODS: Resting or tumor necrosis factor (TNF-alpha) activated human endothelial cells were incubated with OPG (0, 0.5, 5, and 10 ng/mL) or OPN (0, 2.5, 10 and 50 nmol/L). The expression of endothelial genes and proteins was investigated with the Oligo GEArray microarray series, multiplexed gene expression analysis, flow cytometry, ELISA and immunohistochemistry. Monocyte-binding studies were carried out using fluorescently labeled THP-1 cells and analysed by flow cytometry. RESULTS: OPG but not OPN stimulated a dose-dependent increase in the expression of intercellular adhesion molecule-1, vascular cell adhesion molecule-1 and E-selectin by endothelial cells in the presence of TNF-alpha (pAssuntos
Angiopoietina-2/metabolismo
, Selectina E/metabolismo
, Endotélio Vascular/metabolismo
, Molécula 1 de Adesão Intercelular/metabolismo
, Osteoprotegerina/fisiologia
, Fator de Necrose Tumoral alfa/farmacologia
, Molécula 1 de Adesão de Célula Vascular/metabolismo
, Células Cultivadas
, Endotélio Vascular/citologia
, Humanos
, Monócitos/efeitos dos fármacos
, Análise de Sequência com Séries de Oligonucleotídeos
, Osteopontina/fisiologia
, Veias Umbilicais/citologia
, Veias Umbilicais/metabolismo
, Regulação para Cima/efeitos dos fármacos