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Pituitary Melanoma Metastasis: A Case Report and Literature Review.
Cureus
December 2024
Neurological Surgery, Hospital Central do Funchal, Funchal, PRT.
Metastases to the pituitary gland are a rare finding, with breast and lung being the most common metastases in this anatomical region. Pituitary melanoma metastases reports are thus sparse, and both diagnosis and treatment are challenging. We present the case of a 66-year-old woman with pituitary melanoma metastasis who presented with symptoms of anterior pituitary dysfunction and headache.
View Article and Find Full Text PDFIntra-infundibular Epidermoid Cysts- A Distinct and Rare Entity.
World Neurosurg
January 2025
Department of Neurosurgery, The Ohio State University and Wexner Medical Centre, Columbus, Ohio, USA. Electronic address:
Background: Epidermoid cyst (EC) located completely within the pituitary infundibulum is a rare entity with only seven reported cases. In this study, we have described our experience with resection of intra-infundibular epidermoid cysts (IECs) and reviewed the existing literature highlighting its distinguishing features and operative nuances.
Methods: Three consecutive cases of IEC operated at our institute was retrospectively studied.
A novel non-invasive EEG-SSVEP diagnostic tool for color vision deficiency in individuals with locked-in syndrome.
Front Bioeng Biotechnol
January 2025
Biomedical Engineering Department, College of Engineering, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.
Introduction: Color vision deficiency (CVD), a common visual impairment, affects individuals' ability to differentiate between various colors due to malfunctioning or absent color photoreceptors in the retina. Currently available diagnostic tests require a behavioral response, rendering them unsuitable for individuals with limited physical and communication abilities, such as those with locked-in syndrome. This study introduces a novel, non-invasive method that employs brain signals, specifically Steady-State Visually Evoked Potentials (SSVEPs), along with Ishihara plates to diagnose CVD.
View Article and Find Full Text PDFFemtosecond laser-assisted large-diameter lamellar corneal-limbal keratoplasty in ocular chemical burns.
Am J Ophthalmol Case Rep
March 2025
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China.
Purpose: This study highlights the feasibility of femtosecond laser-assisted large-diameter lamellar corneal-limbal keratoplasty and its efficacy in the treatment of ocular surface failure caused by bilateral ocular chemical injury.
Observations: The series included 3 patients with ocular surface failure caused by bilateral ocular chemical burns. After dissection of the host cornea, a femtosecond laser-assisted large-diameter lamellar corneoscleral button, with varying thickness of 250-400 μm, was sutured to the recipient bed.
Evaluation of gray-matter and white-matter microstructural abnormalities in children with growth hormone deficiency: a comprehensive assessment with synthetic magnetic resonance imaging.
Quant Imaging Med Surg
January 2025
Department of Radiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
Background: Pediatric growth hormone deficiency (GHD) is a disease resulting from the impaired growth hormone-insulin-like growth factor-1 (GH-IGF-1) axis, but the effects of GHD on children's behavior and brain microstructural structure alterations have not yet been fully clarified. We aimed to investigate the quantitative profiles of gray matter and white matter in pediatric GHD using synthetic magnetic resonance imaging (MRI).
Methods: The data of 50 children with GHD and 50 typically developing (TD) children were prospectively collected.
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