The incidence of small renal masses (SRMs) has been increasing due to the more liberal use of abdominal imaging. This increased detection has driven the attention of clinicians to the characterization of these lesions and toward a better understanding of their natural history. To this end, renal tumour biopsies (RTBs) have a crucial role as they provide vital pathological information. The improved quality and accuracy of RTBs provide urologists with a very truthful tool to support and guide treatment decisions. The future of RTB will combine pathological, molecular and genetic information that will, improve our knowledge about these lesions and open the potential for risk-adapted personalized medicine.
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http://dx.doi.org/10.1016/j.ijsu.2016.02.097 | DOI Listing |
Cureus
December 2024
Neurosurgery, Southmead Hospital, North Bristol NHS, Bristol, GBR.
Cerebral arteriovenous malformations (AVMs) are tangles of abnormal vessels with early arteriovenous (AV) shunting that can lead to intracerebral hemorrhage, seizures, neurologic deficit, or headache. To date, only a few cases of carcinomas metastasizing to pre-existing cerebral AVMs have been reported in the literature. However, renal clear cell carcinoma (RCC) brain metastases that exhibit early AV shunting, where AVM pathology is not present, are extremely rare.
View Article and Find Full Text PDFEur J Case Rep Intern Med
December 2024
Department of Rheumatology, University of Connecticut, Farmington, USA.
Background: Granulomatosis with polyangiitis (GPA) is a rare autoimmune vasculitis affecting small and medium-sized vessels, commonly involving the respiratory tract and kidneys. Salivary gland involvement, particularly bilateral parotitis, is an uncommon presentation of GPA.
Case Report: We report the case of a 38-year-old Asian male who presented with left ear pain and parotid swelling after a water park visit.
BMJ Case Rep
January 2025
Pulmonary and Critical Care Medicine, The University of Texas Health Science Center at Houston, Houston, Texas, USA.
Microscopic polyangiitis (MPA) is a small-vessel vasculitis characterised by systemic infiltration, with a primary focus on the renal and pulmonary systems. One of its more lethal pulmonary manifestations is diffuse alveolar haemorrhage (DAH), although the spectrum of lung pathology in MPA is vast and calls for immediate immunosuppressive therapy. Our case looks at an older woman initially presenting with MPA-induced rapid progressive glomerulonephritis.
View Article and Find Full Text PDFBiochim Biophys Acta Mol Basis Dis
January 2025
Department of Pediatric Nephrology and Rheumatism and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China; Department of Pediatric Nephrology and Rheumatism and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China. Electronic address:
Renal interstitial fibrosis is the main factor determining chronic kidney disease (CKD) progression, and renal tubular epithelial cells are the key drivers of this pathological process. Herein, we revealed significantly increased ubiquitin-specific peptidase 10 (USP10) expression in the kidney tissues of both patients with CKD and mice induced by unilateral ureteral obstruction, as well as in transforming growth factor-beta 1 (TGFβ1)-induced renal tubular epithelial cells. In vivo, treatment with the USP10 small molecule inhibitor Spautin-1, which inhibits its deubiquitinating activity, weakened renal interstitial fibrosis progression and alleviated the subsequent inflammatory response and oxidative stress in male mice.
View Article and Find Full Text PDFVirchows Arch
January 2025
Histology Laboratory, Children's Health Ireland, Dublin, Ireland.
Paediatric renal tumours include a broad range of neoplasms which largely differ, but also overlap to a smaller extent, with adult kidney cancer. These include the embryonal tumour nephroblastoma, which accounts for the majority of cases of kidney cancer in the first decade of life and, despite boasting a cure in ~ 90% cases, still presents clinical challenges in a small proportion of cases. A variety of less common mesenchymal tumours, including the mostly indolent congenital mesoblastic nephroma, clear cell sarcoma of kidney which continues to be associated with poor outcomes for higher stage disease, and the typically lethal malignant rhabdoid tumour, form the bulk of the remaining presentations in the first decade.
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