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Retroperitoneal Teratoma in a Newborn: A Case Report and Diagnostic Insights.
Cureus
December 2024
Department of Pediatrics, Division of Neonatology, Blythedale Children's Hospital, Valhalla, USA.
Retroperitoneal teratomas are rare neoplasms in neonates, presenting with nonspecific symptoms and variable clinical features, making diagnosis challenging. Radiological investigations, particularly fetal ultrasound and contrast-enhanced computed tomography, play a critical role in their detection. Differential diagnoses include neuroblastoma, adrenal hemorrhage, and congenital cystic lesions, which share overlapping clinical and imaging features.
View Article and Find Full Text PDFThe NE/AAT/CBG axis regulates adipose tissue glucocorticoid exposure.
Nat Commun
January 2025
University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK.
Corticosteroid binding globulin (CBG; SERPINA6) binds >85% of circulating glucocorticoids but its influence on their metabolic actions is unproven. Targeted proteolytic cleavage of CBG by neutrophil elastase (NE; ELANE) significantly reduces CBG binding affinity, potentially increasing 'free' glucocorticoid levels at sites of inflammation. NE is inhibited by alpha-1-antitrypsin (AAT; SERPINA1).
View Article and Find Full Text PDFFatal Waterhouse-Friderichsen Syndrome caused by Streptococcus pneumoniae in a vaccinated adult with traumatic splenectomy: A case report.
Leg Med (Tokyo)
January 2025
University of Modena and Reggio Emilia, Italy. Electronic address:
Waterhouse-Friderichsen Syndrome (WFS) is a rare but life-threatening condition characterized by massive adrenal hemorrhage. WFS represents one of the features of the Overwhelming Post-Splenectomy Infection, which occurs any time after spleen removal and is recognized as the most serious complication in asplenic patients. We report a fatal case of WFS resulting from Streptococcus pneumoniae infection in a vaccinated and splenectomized patient.
View Article and Find Full Text PDFAcute and chronic cannabis vapor exposure influences basal and stress-induced release of glucocorticoids in male and female rats.
Psychoneuroendocrinology
December 2024
Hotchkiss Brain Institute, Mathison Centre for Mental Health Research and Education, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Department of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada. Electronic address:
Management of stress and anxiety is often listed as the primary motivation behind cannabis use. Human research has found that chronic cannabis use is associated with increased basal cortisol levels but blunted neuroendocrine responses to stress. Preclinical research has demonstrated mixed effects of Δ-tetrahydrocannabinol (THC; the psychoactive constituent of cannabis), much of which is suggestive of dose-dependent effects; however, the predominance of this work has employed an injection method to deliver cannabis.
View Article and Find Full Text PDFSafety of steroids in severe community-acquired pneumonia.
Eur Respir Rev
January 2025
Hospital Clínic, Cellex Laboratory, CIBERES (Center for Networked Biomedical Research Respiratory Diseases, 06/06/0028), FCRB-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), School of Medicine, University of Barcelona, Barcelona, Spain
The systemic use of corticosteroids for patients with severe community-acquired pneumonia (sCAP) remains controversial in clinical practice, particularly in terms of the safety profile of these drugs. This narrative review aims to analyse the available literature data concerning the safety of short-term steroid use in the treatment of sCAP, while also highlighting potential future research directions. Several trials and meta-analyses have evaluated corticosteroid therapy as an adjuvant treatment for sCAP, yielding heterogeneous results regarding its efficacy and safety.
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