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Ovarian Stromal Tumor Presenting as Ovarian Torsion: A Case Report.
Cureus
December 2024
Internal Medicine/Pulmonary Critical Care, BronxCare Health System/Icahn School of Medicine at Mount Sinai, New York City, USA.
Ovarian sex cord-stromal tumors (SCST) are a rare subset of ovarian neoplasms originating from supportive tissues surrounding oocytes. Despite their rarity, prompt diagnosis and management are crucial due to their potential for diverse clinical presentations and the need to optimize patient outcomes. A 25-year-old female patient was initially diagnosed with pyelonephritis but later discovered to have a large right adnexal mass suspected to be a tubo-ovarian abscess.
View Article and Find Full Text PDFTesticular Torsion in a 14-Year-Old with Sertoli Cell Granular Cell Change and Sertoli Nodules.
Fetal Pediatr Pathol
January 2025
Department of Pathology, Louisiana State University Health Science Center and Children's Hospital of New Orleans, New Orleans Children's Hospital, New Orleans, LA, USA.
Sertoli eosinophilic granular change and Sertoli cell nodules are incidental findings. This details focal Sertoli eosinophilic granular and Sertoli cell only changes coincident with Sertoli cell nodules in a pubertal testis with acute torsion and bell clapper deformity. A 14-year-old with bell clapper deformity underwent orchiectomy for torsion.
View Article and Find Full Text PDFA protocol for the investigation of the intramolecular vibrational energy redistribution problem: the isomerization of nitrous acid as a case of study.
Phys Chem Chem Phys
January 2025
Institute of Chemistry, Department of Fundamental Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748 - Butantã, São Paulo, 05508-900, Brazil.
The conformational isomerization of nitrous acid (HONO) promoted by excitation of the or stretching normal coordinates is the first observed case of an infrared-induced photochemical reaction. The energy captured by the excited normal modes is redistributed into a highly excited vibrational level of the torsion normal coordinate, which is the isomerization reaction coordinate. Herein, we present simple numerical methods to qualitatively investigate the coupling between the normal coordinates and the possible gateways for vibrational energy redistribution leading to the isomerization process.
View Article and Find Full Text PDFPediatric gallbladder torsion managed by laparoscopic cholecystectomy: a case report and scoping review.
Front Pediatr
January 2025
Department of General Surgery, Children's Hospital of Soochow University, Suzhou, Jiangsu, China.
Gallbladder torsion (GT), characterized by the axial rotation of the cystic duct and cystic artery, is a critical condition that predominantly affects elderly women and is infrequently observed in children. Chronic cholecystitis associated with incomplete GT is a particularly rare phenomenon. This article presents a pediatric case of chronic cholecystitis associated with incomplete GT.
View Article and Find Full Text PDFPurpose: Hinge fractures show a relatively high incidence in varus and valgus distal femoral osteotomy (DFO) and can lead to delayed- or non-union. Another observed complication of a hinge fracture is an unintentional change of the postoperative femoral torsion of up to + 9.5° in conventionally performed DFO.
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