Results 21 to 30 of about 29,222 (335)

Clinical, morphological, CT and MRI characteristics of anterior skull base and orbital tumors

Journal of Ophthalmology, 2020
Background: Tumors of the anterior skull base and orbit (ASBOT) are more commonly epithelial malignancies arising in the nasal cavity, paranasal sinuses, and orbit, and, of ASBOT, approximately 25%-30% are diagnosed in advanced cases.
O. I. Palamar, E. V. Lukach, A.P. Guk, A. P. Maletskyi, S. I. Poliakova, O. V. Kravets, Yu. O. Serezhko, D. I. Okonskyi   +7 more
doaj   +1 more source

Imaging for juvenile angiofibroma [PDF]

, 2002
Juvenile angiofibroma presents characteristic imaging signs, many of which allow diagnosis and accurate estimation of extent without recourse to the dangers of biopsy.
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Skull base chordomas review of current treatment paradigms

World Journal of Otorhinolaryngology-Head and Neck Surgery, 2020
Background: Chordomas are locally invasive neoplasms, arising from notochordal remnants and can appear anywhere along the axial skeleton. Local recurrences are common, and distant metastases may occur years after the initial presentation.
Dan Yaniv, Ethan Soudry, Yulia Strenov, Marc A. Cohen, Aviram Mizrachi   +4 more
doaj   +1 more source

Hypoglossal schwannoma masquerading as a carotid body tumor. [PDF]

, 2012
Study Objective. To describe the clinical presentation, evaluation, and treatment of a hypoglossal schwannoma. Methods. We report an unusual case of a hypoglossal schwannoma presenting as a pulsatile level II neck mass at the bifurcation of the external ...
Abie H. Mendelsohn, Article Id, Douglas R. Sidell, Keith E. Blackwell, Matthew K. Lee   +4 more
core   +1 more source

Nasopharyngeal Melanoma [PDF]

, 2018
Mucosal nasopharyngeal melanoma is a rare head and neck melanoma. Prognosis is poor (5-year overall survival rate of 10–30%) with high rates of metastases and local recurrence. Head and neck mucosal melanoma represents 0.8–3.7% of all melanomas and 0.03%
Calvieri, Stefano, Didona, Dario, Macrì, Giulia, Mercuri., Santo Raffaele, Paolino, Giovanni   +4 more
core   +1 more source

False lateralazing sign in skull base tumor a case series of five patients

Interdisciplinary Neurosurgery, 2021
Paradoxical neurological signs constitute a very important clinical entity for physicians to be aware of and they are of paramount importance to bear in mind in-order to avoid confusion when diagnosing lesions based on anatomic localization.
Lea Kahanov, Uri P. Hadelsberg, Andrew Kaye, Sergey Spektor, Fidel Valero, Jose Cohen, Samuel Moscovici   +6 more
doaj   +1 more source

Primary Intraosseous Cavernous Hemangioma of the Clivus: Case Report and Review of the Literature

Journal of Neurological Surgery Reports, 2013
Primary intraosseous hemangiomas are benign, vascular malformations that account for approximately 1% of all primary bone neoplasms. These tumors are mostly found in vertebral bodies and are rarely seen in the calvarium, where they represent 0.2% of bony
Yakov Gologorsky, Raj K. Shrivastava, Fedor Panov, Justin Mascitelli, Anthony Del Signore, Satish Govindaraj, Mark Smethurst, David J. Bronster   +7 more
doaj   +1 more source

Proptosis secondary to a solitary plasmacytoma of the sphenoid bone: a case report on a rare skull base tumour

Egyptian Journal of Neurosurgery, 2022
Background Plasmacytomas of the skull base are not commonly encountered in clinical practice, with few reported cases in the literature. They form part of the spectrum of plasma cell neoplasms and are classified as a solitary bone plasmacytoma if arising
Panduranga Seetahal-Maraj, Patrick Knight, Narindra Ramnarine   +2 more
doaj   +1 more source

Giant Petroclival Primary Intradural Chordoma: Case Report and Systematic Review of the Literature

Journal of Neurological Surgery Reports, 2014
Background Chordomas are rare, locally aggressive neoplasms thought to arise from notochordal remnants in the axial skeleton. Primary intradural chordomas are considered to be extremely rare.
Fahad AlOtaibi, Marie-Christine Guiot, Thierry Muanza, Salvatore Di Maio   +3 more
doaj   +1 more source

Endoscopic Versus Traditional Craniofacial Resection for Patients with Sinonasal Tumors Involving the Anterior Skull Base [PDF]

Clinical and Experimental Otorhinolaryngology, 2008
ObjectivesWith the advent of microdebriders and image guidance systems, endoscope-assisted surgery is now more widely used for the treatment of tumors involving the base of the skull.
Bong Jik Kim, Dae Woo Kim, Si Whan Kim, Doo Hee Han, Dong-Young Kim, Chae-Seo Rhee, Chul Hee Lee   +6 more
doaj   +1 more source