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Minimal-invasive, image guided, 360-degree resection of ilio-lumbo-sacral ostechondroma, planned on the 3D model in a child with hereditary multiple ostechondroma (HMO).
Eur Spine J
December 2024
Department of Orthopedics, Umeå University Hospital, Umeå, Sweden.
Background: Hereditary Multiple Osteochondromas (HMO), previously known as Multiple Hereditary Exostoses (MHE), is a genetic disorder characterized by the formation of multiple, benign, exostoses (osteochondromas) growing from the metaphyseal region of long bones as well as from the axial skeleton. Lesions originating from the lumbar spine region are rare, and are most common growing from the posterior element of the vertebrae. HMO associated osteochondromas are difficult to treat due to continuous and incontrollable growth of these lesions and a lifetime risk for malignant transformation.
View Article and Find Full Text PDFNovel case of anastomosing hemangioma of the extradural space: illustrative case.
J Neurosurg Case Lessons
August 2024
Departments of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo, Japan.
Article Synopsis
- Anastomosing hemangiomas are benign tumors mostly found in the genitourinary tract and paraspinal tissues, with no prior cases reported in the spinal epidural space, leading to uncertain clinical and radiological characteristics.
- A 55-year-old man experienced progressive back pain and sensory issues in his legs, prompting MRI scans that revealed a tumor at the T4-6 level that encircled the spinal cord and extended into the extraspinal region.
- After surgical removal of the tumor and achieving symptom relief without additional treatment, it was concluded that these rare hemangiomas can appear in the spinal epidural space, with distinctive horn-like radiological features serving as important diagnostic indicators.
Interosseous Malignant Melanotic Nerve Sheath Tumor of the Sacrum Treated With an Innovative Reconstruction Technique.
Cureus
July 2024
Pediatric Neurosurgery Division, Department of Pediatric Surgery, King Abdulaziz Medical City, Ministry of National Guard - Health Affairs, Riyadh, SAU.
Intraosseous malignant melanotic nerve sheath tumors are extremely uncommon peripheral nerve sheath tumors that typically present with benign clinical and histopathological features but with more aggressive long-term behavior. These tumors commonly originate from the dorsal nerve roots, sympathetic chain, cranial nerves, and lumbar plexus but may be found throughout the body. It usually presents with gradual compressive symptoms over months to years, like the typical presentation of schwannomas.
View Article and Find Full Text PDFMinimally invasive tubular removal of spinal schwannoma and neurofibroma - a case series of 49 patients and review of the literature.
Neurosurg Rev
August 2024
Department of Neurosurgery, University Medical Center Freiburg, Breisacher Straße 64, D-79106, Freiburg, Germany.
To evaluate the efficacy and safety of minimally invasive tubular removal of spinal schwannoma and neurofibroma. In this single-centre study, we retrospectively analysed 49 consecutive patients who underwent minimally invasive removal of a total of 51 benign spinal nerve sheath tumors using a non-expandable (n = 18) or expandable tubular retractor (n = 33) retractor system between June 2007 and December 2019. The extent of resection, surgical complications, neurological outcome, operative time, and estimated blood loss were recorded.
View Article and Find Full Text PDFMultiparametric whole-body MRI of patients with neurofibromatosis type I: spectrum of imaging findings.
Skeletal Radiol
March 2025
Department of Radiology, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75235, USA.
Article Synopsis
- - Neurofibromatosis type I (NF1) is caused by a mutation in the neurofibromin gene, leading to various benign and malignant tumors, including nerve sheath tumors and brain tumors.
- - Multiparametric whole-body MRI (WBMRI) is essential for monitoring NF1, using multiple imaging sequences to visualize different types of lesions across the body.
- - The article highlights various NF1-related lesions, emphasizing the importance of timely identification through WBMRI for better diagnosis and patient care.
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