Results 41 to 50 of about 454,745 (260)

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

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

Endoscopic transsphenoidal removal of neoplasms of the chiasmal-sellar region in children

open access: yesВестник хирургии имени И.И. Грекова, 2021
The OBJECTIVE was to analyze the results of endoscopic transsphenoidal removal of neoplasms of the chiasmalsellar region in children.MATERIALS AND METHODS.
A. V. Burmistrova   +2 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

Radiotherapy in the treatment of sinonasal neoplasms in dogs [PDF]

open access: yesCiência Rural
: Sinonasal neoplasms represent approximately 1% of all neoplasms and represent a major challenge for treatment. The treatment of nasal tumors must be local, and radiotherapy can be a good option in these cases.
Dayane Caicó Collares Araujo   +4 more
doaj   +1 more source

Sellar region extramedullary plasmacytoma – A rare skull base tumour

open access: yesInterdisciplinary Neurosurgery, 2020
Plasma cell neoplasms can present either as multiple myeloma, or in
Yan Zheng Ho   +2 more
doaj   +1 more source

Maxillary osteosarcoma in a beef suckler cow [PDF]

open access: yes, 2012
A ten-year-old beef suckler cow was referred to the Scottish Centre for Production Animal Health and Food Safety of the University of Glasgow, because of facial swelling in the region of the right maxilla.
Barrett, D.C., Prins, D.G.J., Wittek, T.
core   +3 more sources

Phyllodes tumor with metastases to the skull managed with local excision: A case report

open access: yesRare Tumors, 2019
The behavior of phyllodes tumors is unpredictable and can behave as benign fibroadenomas or malignant neoplasms mimicking the course of aggressive sarcomas, characterized by distant metastases and a high short-term mortality.
Ronak Patel   +4 more
doaj   +1 more source

Application of personalized endoscopic techniques in surgery of endonasal resection of petroclival lesions

open access: yesChinese Journal of Contemporary Neurology and Neurosurgery, 2021
Background The petroclival area is located deep at the base of the skull, and the surrounding anatomical structure is complex, which brings great challenges to the safe removal of the lesions in this part of the operation.
WANG Zhi⁃cheng   +8 more
doaj   +1 more source

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

open access: yesInterdisciplinary 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   +6 more
doaj   +1 more source

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