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Olivia A Kalmanson, Saeed Khayatzadeh, Anand Germanwala, Matthew Scott-Young, Robert M Havey, Leonard I Voronov, Avinash G Patwardhan
Chronic Forward Head Posture is associated with headaches, neck pain, and disability, though few studies have investigated the effects it has on the suboccipital triangle. The objective of this study was to quantitatively assess whether the biomechanical changes in the suboccipital triangle help explain the clinical manifestations of Forward Head Posture. Specifically, this study aimed to identify whether the Greater Occipital Nerve or C2 nerve root may be compressed in Forward Head Posture. Three-dimensional, specimen-specific computer models were rendered from thirteen cadaveric cervical spine specimens...
March 12, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Manas Panigrahi, Shaikh Mohammad Samiruddin, Sudhindra Vooturi
Objective: The conventional midline suboccipital craniectomy, the standard approach for posterior fossa lesions, involves ligation of the occipital sinus. Postoperative sequelae that could occur from ligation of the occipital sinus include hydrocephalus, cerebrospinal fluid (CSF) leak, and pseudomeningiocoele formation. The standard of practice of venous pathway preservation, as practiced elsewhere in the cranium, should also be attempted in the posterior fossa. In the current study, we compared postsurgical complications between conventional "Y" durotomy with the proposed crescent durotomy in patients with posterior fossa lesions who underwent midline suboccipital craniectomy...
January 2019: Neurology India
Angela G Viers, Khoi D Nguyen, Perounsack X Moon, Scott E Forseen, Ian M Heger
OBJECTIVEOccipitocervical fusions in the pediatric population are rare but can be challenging because of the smaller anatomy. The procedure is even more exacting in patients with prior suboccipital craniectomy. A proposed method for occipitocervical fusion in such patients is the use of occipital condyle screws. There is very limited literature evaluating the pediatric occipital condyle for screw placement. The authors examined the occipital condyle in pediatric patients to determine if there was an age cutoff at which condylar screw placement is contraindicated...
March 1, 2019: Journal of Neurosurgery. Pediatrics
Satoshi Tsutsumi, Hideo Ono, Hisato Ishii, Yukimasa Yasumoto
PURPOSE: The morphology of the vertebral artery (VA) segment at the suboccipital dural penetration site has little been explored with magnetic resonance imaging (MRI). Therefore, the aim of this study was to examine the structure using MRI. METHODS: In total, 94 patients underwent thin-sliced, contrast MRI in the axial, coronal, and sagittal planes involving the atlas, axis, occipital bone, and V3 and V4 segments of the VA. RESULTS: The VA segment at the suboccipital dural penetration site was well-delineated in 93% on the axial images and in 95% on the coronal images...
February 28, 2019: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Omidvar Rezaei, Mohammad Samadian, Mehrdad Hosseinzadeh Bakhtevari, Amirarsalan A Darozarbi
Desmoid tumors are histologically benign but locally invasive tumors that rarely can occur in the head and neck. In this article, we illustrate a rare case of desmoid tumor formation in intracranial posterior fossa after suboccipital craniotomy for hemangioblastoma. A 43-year-old woman presented with headaches, dizziness, equilibrium disorders, nausea, and vomiting due to a hemangioblastoma in posterior fossa. A gross total resection was achieved. Three years postoperatively, the patient developed a growing mass at the intracranial intradural regions in posterior fossa near the previous incision...
April 2019: Journal of Neurosurgical Sciences
Xinping Hao, Yongxin Li, Danmo Cui, Biao Chen, Yunfu Liu, Bentao Yang
BACKGROUND: The surgical approach of acoustic neuroma includes translabyrinthine, transcranial fossa, suboccipital retrosigmoid sinus, and presigmoid retrolabyrinthine approach. Aims/Objective: To provide the anatomical basis for the surgical selection of presigmoid retrolabyrinthine approach by measuring the anatomical parameters of retrolabyrinthine space of the petrous bone by high-resolution CT. MATERIAL AND METHODS: A retrospective study of 208 high-resolution CT (HRCT) images of 104 patients examined in our hospital were analyzed retrospectively...
February 22, 2019: Acta Oto-laryngologica
Atul Goel
No abstract text is available yet for this article.
October 2018: Journal of Craniovertebral Junction and Spine
Robert Belvís, Ángel L Guerrero
BACKGROUND: The occipital neuralgia affects 3 out of every 100,000 people and includes the neuralgia of the greater occipital nerve (GON) and the neuralgia of the minor and third occipital nerves. These nerves emerge from the posterior branches of the first cervical roots, innervate the muscles of the nape, and provide the sensitivity of the scalp. The most frequent issue is not to find causes that justify neuralgia for what is usually idiopathic. The nerve that most often causes neuralgia is the GON that is usually wrongly called Arnold's nerve, so neuralgia is also called Arnold's neuralgia...
February 15, 2019: Neurological Sciences
Margarita Cigarán-Méndez, Carmen Jiménez-Antona, Paula Parás-Bravo, Stella Fuensalida-Novo, Jorge Rodríguez-Jiménez, César Fernández-de-Las-Peñas
BACKGROUND: A better understanding of gender differences can assist clinicians in further developing therapeutic programs in tension type headache (TTH). OBJECTIVE: To evaluate gender differences in the presence of trigger points (TrPs) in the head, neck, and shoulder muscles and their relationship with headache features, pressure pain sensitivity, and anxiety in people with TTH. METHODS: Two hundred and ten (59 men, 151 women) TTH patients participated...
February 13, 2019: Pain Practice: the Official Journal of World Institute of Pain
Misbahuddin Khaja, Umair Ashraf, Shehriyar Mehershahi, Puvanalingam Ayyadurai, Sandeep Malik
BACKGROUND Eccrine porocarcinoma, or malignant eccrine poroma, is a rare primary skin tumor that develops in the sixth and seventh decades of life, and can present as a painless and solitary nodule. Histopathology is required to confirm the diagnosis. A rare case is presented of metastatic eccrine porocarcinoma, occurring four years after surgical excision of the primary scalp tumor, and includes a review of the literature. CASE REPORT A 67-year-old man initially presented with a scalp lesion that was non-painful, exophytic, and pigmented...
February 11, 2019: American Journal of Case Reports
Akira Nakamizo, Satoshi Matsuo, Toshiyuki Amano
BACKGROUND: Abducens nerve function seldom shows complete recovery after removal of abducens nerve schwannoma. No cases with unclear course of the abducens nerve during surgery have been reported to achieve complete recovery of nerve function. CASE DESCRIPTION: We report the case of a 44-year-old woman who presented with occasional dysgeusia without abducens nerve paresis. Magnetic resonance imaging showed a solid tumor about 2 cm in diameter at the left cerebellopontine cistern...
February 1, 2019: World Neurosurgery
Davide Nasi, Corrado Iaccarino, Antonio Romano, Pasquale De Bonis, Marco Farneti, Franco Servadei, Reza Ghadirpour
Post-traumatic supra and infratentorial acute extradural hematomas (SIEDHs) are an uncommon type of extradural hematoma with only few small series published. In this scenario, the purposes of the present study are to present our experience in the management of 8 patients with acute SIEDH and to perform a systematic literature review. The clinical and radiological data of 8 patients operated for SIEDH at our department were analyzed retrospectively. Using the PRISMA guidelines, we reviewed the articles published from January 1990 to January 2018 reporting data about SIEDH...
February 4, 2019: Neurosurgical Review
Mitchell Fung, Ellen Frydenberg, Leslie Barnsley, Joga Chaganti, Timothy Steel
Background: Atlantoaxial (C1-C2) osteoarthritis (AAOA) causes severe suboccipital pain exacerbated by lateral rotation. The pain is usually progressive and resistant to conservative therapy. Posterior fusion surgery is performed to stabilise the C1-C2 segment. This is the first Australian study reporting the outcome of posterior atlantoaxial fixation including hybrid fixations performed for AAOA. Methods: All patients who underwent posterior atlantoaxial fixation surgery for AAOA from 2005 to 2015 at our institutions were enrolled (N=23)...
December 2018: Journal of Spine Surgery (Hong Kong)
Chidambaram Natrajan Balasubramanian Harisankar, Ramakrishnan Vijayabhaskar, Selva Muthukumaran, Kirushna Kumar
Occipital condyle syndrome is a rare cause of pain in the head which is characterized by severe and persistent unilateral suboccipital headache with unilateral hypoglossal nerve palsy. We report an elderly female who presented with dysarthria and suboccipital headache. On further evaluation, she was found to have a solitary bone metastases from thyroid cancer. She was treated with local radiation therapy for pain relief, total thyroidectomy, and high-dose radioiodine therapy. The patient is presently free of pain with very good control of the thyroid cancer status...
January 2019: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
Satoru Hiroshima, Takehiro Saga, Masato Saito, Yukie Tamura, Hiroshi Ogawa, Ryogo Anei, Kyousuke Kamada
BACKGROUND: Arachnoid cysts are common anomalies in the intracranial region. However, an intraventricular arachnoid cyst is rare, and occurrence within the fourth ventricle is especially uncommon; only 16 cases have been described in the literature. Arachnoid cysts in the fourth ventricle may cause obstructive hydrocephalus or cerebellar ataxia or cranial nerve palsy. The treatment for a fourth ventricular arachnoid cyst is complete or partial resection via a midline suboccipital approach...
January 21, 2019: World Neurosurgery
Rickard J Kohler, Susan A Arnold, Daniel J Eck, Christopher B Thomson, Matthew A Hunt, G Elizabeth Pluhar
OBJECTIVE To determine incidence of and risk factors for major complications occurring in dogs within 30 days after cytoreductive surgery performed by a single pair of surgeons for treatment of suspected primary intracranial masses. DESIGN Retrospective cohort study. ANIMALS 160 client-owned dogs that underwent cytoreductive surgery for treatment of suspected primary intracranial masses between January 2009 and December 2015 at a veterinary teaching hospital. PROCEDURES Medical records were retrospectively reviewed for complications occurring within 30 days after surgery...
December 15, 2018: Journal of the American Veterinary Medical Association
Yazid Maghrabi, Maher E Kurdi, Saleh S Baeesa
BACKGROUND: Congenital intracranial tumors are very rare and account for less than 2% of all childhood brain tumors. Teratomas constitute about one third to one half of these, predominantly located midline in the supratentorial region. Posterior fossa location rarely occurs and, based on the cases reported in the literature, commonly has a poor prognosis. CASE PRESENTATION: A newborn female, diagnosed prenatally with hydrocephalus, is presented at birth with increasing head circumference and Parinaud's syndrome...
January 19, 2019: World Journal of Surgical Oncology
Gennadiy A Katsevman, Ryan C Turner, Cletus Cheyuo, Charles L Rosen, Matthew S Smith
Posterior reversible encephalopathy syndrome (PRES) is an uncommon but potentially devastating syndrome if not recognized and treated appropriately. As the name implies, recognition of the condition and proper management may reverse the clinical and radiological findings. However, diagnosis is not always straightforward. We present the case of a 24-year-old female who was 4 days post-partum and presented with headache, neck pain, and new-onset seizures. She had undergone epidural anesthesia during labor, and initial imaging was suggestive of intracranial hypotension versus pachymeningitis...
February 2019: Acta Neurochirurgica
L Lemnos, K Aubry, J-J Moreau, F Caire, H Salle
INTRODUCTION: Vestibular neurotomy is a functional surgery for Meniere's disease in the event of medical treatment failure. The aim of the study was to assess the efficacy and complications of vestibular neurotomy, and to address the question of postoperative compensation. MATERIAL AND METHOD: All patients included in this retrospective study underwent a vestibular neurotomy at our center between 2009 and 2016. A preoperative evaluation was performed including MRI, audiometry, and videonystagmography...
January 15, 2019: Neuro-Chirurgie
Kaan Yagmurlu, Pedro Norat, Min Park, M Yashar S Kalani
This video illustrates the case of a patient with familial cerebral cavernous malformation syndrome with a history of multiple symptomatic hemorrhages attributable to a medullary malformation. The patient had swallowing difficulties and gait instability that was progressively worsening. Informed consent was obtained for surgical exploration. The lesion was noted to abut the floor of the fourth ventricle and was approached using a suboccipital craniotomy. Several safe-entry zones on the floor of the fourth ventricle have been described...
January 10, 2019: Operative Neurosurgery (Hagerstown, Md.)
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