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Characterization of jugular bulb position on computed tomography (CT) with implications for excision of vestibular schwannomas.
Neurosurg Rev
January 2025
Department of Neurological Sciences, Christian Medical College Vellore- Ranipet Campus Vellore, Vellore, Tamil Nadu, 632517, India.
To describe the distribution of jugular bulb position and pneumatization of posterior lip of internal auditory meatus (IAM) in patients with vestibular schwannoma (VS). This retrospective study included 43 patients who had a thin slice (< 2 mm) CT temporal bone for preoperative planning of retrosigmoid approach for excision of VS between March 2011 and March 2021. On computed tomography (CT), high riding jugular bulb was defined by its relationship to IAM and correlated with type of jugular bulb according to Manjila et al.
View Article and Find Full Text PDFDifferential bone and vessel type formation at superior and dura periosteum during cranial bone defect repair.
Bone Res
January 2025
Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, NY, USA.
The cranial mesenchyme, originating from both neural crest and mesoderm, imparts remarkable regional specificity and complexity to postnatal calvarial tissue. While the distinct embryonic origins of the superior and dura periosteum of the cranial parietal bone have been described, the extent of their respective contributions to bone and vessel formation during adult bone defect repair remains superficially explored. Utilizing transgenic mouse models in conjunction with high-resolution multiphoton laser scanning microscopy (MPLSM), we have separately evaluated bone and vessel formation in the superior and dura periosteum before and after injury, as well as following intermittent treatment of recombinant peptide of human parathyroid hormone (rhPTH), Teriparatide.
View Article and Find Full Text PDFIncreasing Bone Regeneration in Maxillary Sinus Augmentation Using Platelet-rich Fibrin: An Interventional Pre-Post Study.
J Contemp Dent Pract
September 2024
Department of Pediatrics Dentistry and Orthodontics, Faculty Odonto-Stomatology, Can Tho University of Medicine and Pharmacy, Can Tho City, Vietnam.
Aim: This study aimed to evaluate the impact of a combination of immediate implant placement with maxillary sinus augmentation (MSA) solely using platelet-rich fibrin (PRF) on guided bone regeneration.
Materials And Methods: An interventional before-after (pre-post) study design was used with 30 dental patients (≥18 years of age; 14 males and 16 females) with initial bone heights ranging between 4 and 6 mm. Following the general check-up and the creation of a study model, the planned implant location demonstrated an external right maxilla diameter of more than 5 mm, thereby validating the cone-beam computed tomography (CBCT) radiograph.
Congestive myelopathy secondary to epidural venous engorgement and venous congestion in a patient with Budd-Chiari syndrome and its management through inferior vena cava stenting.
BMJ Case Rep
January 2025
Radiodiagnosis and Interventional Radiology, AIIMS Bhubaneswar, Bhubaneswar, Odisha, India.
Budd-Chiari syndrome with obstruction in the inferior vena cava causes increased venous pressure in the azygous-hemiazygous system and paravertebral venous plexus, which is transmitted to the epidural venous plexus, devoid of the valves. It causes epidural venous plexus engorgement and venous congestion and may present rarely with low back pain or radiating pain. However, patients developing lower limb weakness as a complication of Budd-Chiari syndrome is an infrequent and severe presentation.
View Article and Find Full Text PDFAnatomical basis and clinical application of the dorsal metacarpal cutaneous branch flap of radial digital artery of index finger.
Surg Radiol Anat
December 2024
Department of Hand-Foot Microsurgery, Shenzhen Nanshan People's Hospital, No. 89 Taoyuan Road, Nanshan District, Shenzhen, 518052, China.
Objective: This study explored the surgical technique and clinical application of the dorsal metacarpal cutaneous branch flap of the radial digital artery of the index finger.
Methods: Through the anatomical dissection of 10 hand specimens, we examined the origin and characteristics of the artery and its branches towards the hand dorsum. Furthermore, the soft tissue defects of the index finger in 12 patients admitted to our hospital between 2017 and 2021 were surgically repaired using the dorsal metacarpal cutaneous branch flap of the radial digital artery of the index finger.
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