Results 31 to 40 of about 45,142 (309)

Comparative analysis of sexual variability of morphometric parameters of the posterior cranial fossa, cerebellum and their ratios in adults

Известия высших учебных заведений. Поволжский регион: Медицинские науки, 2023
Background. The relevance of this study is to study the variability of the structures of the posterior cranial fossa, cerebellum and their ratios related to the magnitude of the basilar angle, which are taken into account in neurorentgenology as ...
O.Yu. Aleshkina, N.Kh. Kuliev, T.S. Bikbaeva, I.A. Polkovova, O.B. Bogomyakova, M.A. Guseva, A.A. Tulupov   +6 more
doaj   +1 more source

Morphological study of bone structure of the posterior cranial fossa in adults with Chiari malformation type Ⅰ without basilar invagination

Di-san junyi daxue xuebao, 2020
Objective To examine the morphological characteristics of the bone structure in the posterior cranial fossa in adult patients with Chiari malformation type Ⅰ (CMⅠ) without basilar invagination. Methods Thirty-eight adult patients with CMⅠ without basilar
WANG Shengxi, HU Xiaojun, LI Yang, XIA Yongzhi, YAN Yi   +4 more
doaj   +1 more source

A new dromaeosaurid (Dinosauria: Theropoda) from the Upper Cretaceous Wulansuhai Formation of Inner Mongolia, China [PDF]

, 2010
We describe a new dromaeosaurid theropod from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia. The new taxon, Linheraptor exquisitus gen. et sp.
Choiniere, J.N., Clark, J.M., Hone, D.W.E., Li, Z., Norrell, M.A., Pittman, M.D., Sullivan, C., Tan, L., Tan, Q., Xiao, D., Xu, X.   +10 more
core   +1 more source

Craniopharyngioma involving the anterior, middle, and posterior cranial fossa in adults: A case report

Frontiers in Neurology, 2023
Craniopharyngioma (CP) is a rare benign tumor that develops from the residual epithelial cells of the craniopharynx, accounting for < 5% of intracranial tumors. It is common for CPs to grow in the sellar/parasellar region and extend suprasellar.
Bin Tian, Ming Li, Xiaolin Du, Hui Zhou, Kun Zhou, Shiguang Li   +5 more
doaj   +1 more source

Evolutionary relationships and systematics of Atoposauridae (Crocodylomorpha: Neosuchia): implications for the rise of Eusuchia [PDF]

, 2016
Atoposaurids are a group of small-bodied, extinct crocodyliforms, regarded as an important component of Jurassic and Cretaceous Laurasian semi-aquatic ecosystems.
Mannion, PD, Tennant, JP, Upchurch, P
core   +3 more sources

Downbeat nystagmus: aetiology and comorbidity in 117 patients [PDF]

, 2008
Objectives: Downbeat nystagmus (DBN) is the most common form of acquired involuntary ocular oscillation overriding fixation. According to previous studies, the cause of DBN is unsolved in up to 44% of cases.
Brandt, Thomas, Glaser, Mirjam, Strupp, Michael, Wagner, Judith N.   +3 more
core   +1 more source

Correlation between bony structures of the posterior cranial fossa and the occurrence of hemifacial spasm

Frontiers in Neurology
ObjectiveTo quantitatively study the measurement data related to the bony posterior cranial fossa and explore the correlation between bony posterior cranial fossa morphology and the occurrence of hemifacial spasm.MethodsA total of 50 patients with ...
Tianjin Tang, Wenqiang Yang, Qi Wang, Yanbing Yu, Li Zhang   +4 more
doaj   +1 more source

An Unusual Case of Aneurysmal Bone Cyst Involving Both Middle and Posterior Fossa Skull Base

Indian Journal of Neurosurgery, 2016
Aneurysmal bone cyst (ABC) is a benign osteolytic bony lesion that can be locally destructive. The skull base is an uncommon location for this tumor with a reported incidence of 3 to 6%.
Shonali Valsangkar, Hrushikesh Kharosekar, Vernon Velho   +2 more
doaj   +1 more source

Volumetric assessment of Posterior cranial fossa in a West African population

World Neurosurgery: X
Background and Objectives: Posterior fossa pathologies can have potentially devastating outcomes. The volumetric capacity of this fossa, known to have ethnoregional variations, can thus be critical in determining outcomes and intervention measures and ...
Donald E. Ogolo, E.C. Ajare, C.A. Ndubuisi, Okwunodulu Okwuoma, Sunday Nnama, S.C. Ohaegbulam   +5 more
doaj   +1 more source

Cystic lesion of posterior cranial fossa: is it Dandy-Walker?

Journal of Pediatric and Neonatal Individualized Medicine, 2017
Accidental discovery of a fluid collection within the posterior cranial fossa in a fetus or a newborn can be a tricky incidental finding during a routine scan, alarming for a Dandy-Walker Malformation (DWM).
Stella De Nardi, Carmela Porcu, Pier Luigi di Paolo, Daniela Longo, Melania Puddu, Francesca Santoro, Luca Saba   +6 more
doaj   +1 more source