Results 21 to 30 of about 114,988 (354)

Unique case of inverted papilloma of septum with nasopharyngeal carcinoma:Is it a metachronous tumour? [PDF]

open access: yes, 2020
Inverted papilloma is a rare and benign tumour. It affects the nasal cavity and paranasal sinuses, has a high rate of recurrence and is associated with malignant transformation.
Ferguson, Aaron S. J.   +4 more
core   +3 more sources

Biphenotypic Sinonasal Sarcoma-Case Report and Review of Clinicopathological Features and Diagnostic Modalities. [PDF]

open access: yes, 2019
Background Biphenotypic sinonasal sarcoma is a recently described malignancy showing dual differentiation with both myogenic and neural elements. Due to its histologic similarities to other sinonasal malignancies, it is a diagnostic challenge.
Chitguppi, Chandala   +6 more
core   +2 more sources

CHONDROID SKULL BASE TUMORS (A REVIEW OF LITERATURE)

open access: yesОпухоли головы и шеи, 2015
Chondroid skull base tumors are a rare and little studied pathology; many problems of their classification, diagnosis and treatment remain to be solved.
T. G. Gasparyan   +2 more
doaj   +1 more source

The role of midfacial degloving in modern rhinological practice [PDF]

open access: yes, 1999
The midfacial degloving approach has been available for twenty five years and is slowly increasing in popularity in the management of extensive benign lesions of the sinonasal region, for selected malignancy in this area and to afford access to the ...
Howard, DJ, Lund, VJ
core   +1 more source

The potential impact of CT-MRI matching on tumor volume delineation in advanced head and neck cancer [PDF]

open access: yes, 1997
To study the potential impact of the combined use of CT and MRI scans on the Gross Tumor Volume (GTV) estimation and interobserver variation. Four observers outlined the GTV in six patients with advanced head and neck cancer on CT, axial MRI, and coronal
Bartelink, H   +10 more
core   +3 more sources

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

open access: yesJournal 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   +7 more
doaj   +1 more source

Imaging for juvenile angiofibroma [PDF]

open access: yes, 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

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

open access: yes, 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   +4 more
core   +1 more source

Skull base chordomas review of current treatment paradigms

open access: yesWorld 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   +4 more
doaj   +1 more source

Nasopharyngeal Melanoma [PDF]

open access: yes, 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   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy