scholarly journals Morphometric Study of the Pterion in Dry Human Skulls in Northeastern Brazil

2020 ◽  
Vol 37 ◽  
pp. 57-63
Author(s):  
Jalles Dantas Lucena ◽  
João Victor Souza Sanders ◽  
Hudson Martins Brito ◽  
Michelly Carneiro Collyer ◽  
Gilberto Santos Cerqueira ◽  
...  
2016 ◽  
Vol 49 (1) ◽  
pp. 73 ◽  
Author(s):  
Laís Carolina Santos Cisneiros de Oliveira ◽  
Maria Paula Mendonça Silveira ◽  
Erasmo de Almeida Júnior ◽  
Francisco Prado Reis ◽  
José Aderval Aragão

2021 ◽  
Author(s):  
Pablo Mariz de Oliveira ◽  
Amanda do Nascimento Oliveira e Carneiro ◽  
Fábio Antônio Serra de Lima Júnior ◽  
Daniel Dantas da Silva ◽  
Leticia Leite Cavalcante ◽  
...  

Introduction: The sella turcica is a structure of the median region of the sphenoid bone. Variations in its morphology are relevant as it is a region subjected to several surgical procedures, mainly related to the pituitary gland. Objective: To analyze the morphology of the sella turcica and its sexual dimorphism in Northeastern Brazil. Methods: Fifteen human skulls from the Federal University of Paraíba (UFPB) were used. The qualitative analysis was performed by classifying the shape of the sella turcica into three types: U, J and flattened. Morphometric data was collected and statistically analyzed to evaluate the relationship between sella morphometry and gender, and between sella and skull measurements. Values of p< 0.05) in the sella turcica length (STL) and skull length (SL), with male skulls being larger in both cases. The other linear measurements didn’t show differences between the sexes (p>0.05). There was a positive linear correlation between STL and SL, and a negative linear correlation between sella turcica width (STW) and sella turcica height (STH) and between STH and bitemporal width (BTW). Conclusion: The results point to important differences in the morphometric parameters evaluated with original findings for this population. Knowledge of the morphology of the sella is essential to plan safer surgical approaches in the pituitary gland or related anatomical structures.


2019 ◽  
Vol 08 (02) ◽  
pp. 053-056 ◽  
Author(s):  
Ajay Kumar ◽  
Alok Tripathi ◽  
Shilpi Jain ◽  
Satyam Khare ◽  
Ram Kumar Kaushik ◽  
...  

Abstract Introduction Optic canal connects orbit to middle cranial fossa. Optic nerve and ophthalmic artery pass through this canal. The aim of the present study is to make morphometric and anatomical observations of endocranial opening of optic canal. Materials and Methods The observations were conducted on 30 dry adult human skulls. The observations were made on shape, margins, confluence, septations, dimensions, and distance of optic foramen from apex of petrous temporal bone. Result and Statistical Analysis On morphometric observation, transverse diameter (TD) was 6.00 mm and 6.15 mm on the left and the right side, respectively. The vertical diameter (VD) was 5.14 mm on the left side and 4.82 mm on the right side. The distance of optic foramen to apex of petrous temporal bone was 21.84 mm on the left side and 21.90 mm on the right side. The mean, standard deviation, range, and p value were measured by using SPSS software version 19.00. Conclusion In the present study we attempt to provide a comprehensive anatomical and morphometric data of optic foramen that may help ophthalmologists and neurosurgeons during surgery.


2021 ◽  
Vol 73 (6) ◽  
pp. 1287-1293
Author(s):  
A.C. Santos ◽  
A. Gradela ◽  
M.D. Faria

ABSTRACT The social and economic roles of goat farming in Northeastern Brazil, allied to the fact that the use of goat middle ear ossicles for research and human ear surgery training has not yet been proposed, justify the study of their applicability as an experimental model. The middle ears of 19 goats (Capra aegagrus hircus) from the bone collection of the Laboratory and Didactic Anatomy Museum of Domestic and Wild Animals of the Federal University of Vale do São Francisco (UNIVASF) were dissected. The malleus, incus, and stapes were evaluated regarding their macroscopic morphology and biometry (length, width, and height). Ossicle morphology was similar to sheep, human, and bovine morphology. The malleus was 1.3 times heavier and 2.2 times longer than the incus, and 9.0 times heavier and 3.7 times longer than the stapes. The size relationship was positive between the stapes and the malleus and negative between the stapes and the incus. It is concluded that the middle ear size and the anatomical similarities with human ossicles make goats a useful model for experimental scientific studies, reconstructive surgery practice of the ossicular chain, and human ear surgery training.


2021 ◽  
Vol 38 ◽  
pp. 16-21
Author(s):  
Renan Mendes ◽  
Tássia Melo ◽  
Jalles Lucena ◽  
André Oliveira

2019 ◽  
Vol 08 (04) ◽  
pp. 160-164
Author(s):  
Govindarajan Amudha ◽  
Chandrasekaran Nandhini Aishwarya ◽  
Deborah Joy Hepzibah ◽  
Vaujapuri Anandhavadivel Kesavan ◽  
Anaimalai Kandavadivelu Manicka Vasuki

Abstract Introduction Jugular foramen is one of the most fascinating foramina of the human skull. It is a complex, irregular bony canal located between the occipital bone and petrous part of the temporal bone. Many important structures, like 9th, 10th, 11th cranial nerves, meningeal branch of occipital and ascending pharyngeal arteries, internal jugular vein, and inferior petrosal sinus, are passing through it. The jugular fossa has a septum and a dome. The septum divides the foramen into two compartments: anteromedial compartment (pars nervosa) and posterolateral compartment (pars vascularis). The dome contains superior bulb of internal jugular vein. The architecture of the foramen varies in size, shape, and laterality besides differences related to sex and race. The morphometric measurements of jugular foramen are very important for neurosurgeries and head and neck surgeries. Objectives The aim of the present study is to study the morphology of jugular foramen along with its dimensions, compartments, presence of partial or complete septa and dome. Materials and Methods A total number of 60 jugular foramina were examined from 30 adult dry human skulls of unknown age and sex from the Department of Anatomy, PSG Institute of Medical Sciences and Research, Coimbatore. Measurements were taken using Digital Vernier calipers. Results were analyzed statistically. Results The length, width, and surface area of jugular foramen of right side were measured and compared with the left side. Length and width of the jugular foramen was significantly higher on the right side. The presence of partial septum was found in 27 skulls (90%) on the right side and 29 skulls (99.7%) on the left side, respectively. Dome was present in 100% of the jugular foramina on the right side and 90% of the jugular foramina on the left side. Separate opening for inferior petrosal sinus was found in eight skulls (27%) on the right side and four skulls (13%) on the left side. Conclusion This study provides a clear understanding of anatomy of jugular foramen and supports the reported morphometric variations. The morphometric variations of jugular foramen in the parameters of the skull are probably due to ethnic and racial factors. Knowledge of these variations is important for neurosurgeons and radiologists who deal with space occupying lesions of the structures surrounding jugular foramen. This study may be helpful for ENT surgeons while performing middle ear surgeries.


2011 ◽  
Vol 10 (1) ◽  
pp. 79 ◽  
Author(s):  
Vanderlaine Amaral Menezes ◽  
Angélica Figueira Fontes ◽  
Donald Gettinger ◽  
Monique Van Sluys ◽  
Carlos Frederico Duarte Rocha

2013 ◽  
Vol 02 (02) ◽  
pp. 071-074 ◽  
Author(s):  
P Vijisha ◽  
Arun Kumar Bilodi ◽  

Abstract Background and aims: Jugular foramen is an important foramen transmiting a number of structures at the base of the skull. Various tumours and infiltrating inflammatory processes are associated with this foramen. Hence, present study was taken up to study morphometry of the jugular foramen in human skulls in Tamil Nadu region. Material and methods: A total number of 60 jugular foramina were examined from 30 adult dry skulls of unknown age and sex. Measurements were taken using Vernier Calipers. Results were analysed statistically. Results: The length, width and area of jugular foramen of right side were compared with left side. Predominance of one of the two foramina was found in 86.6% (26): Predominance on right was 76.6% (23) and on left was 10% (3).The presence of partial septum was found around 73.3% on right side and 80% on left side respectively. Dome was present only 26.6% on right side and 3.33% on left side but in 70% of skulls it was present bilaterally. Conclusion: The morphometric variations in the skulls of Tamil Nadu region are probably ethnic and racial. The metric information is of use to the neurosurgeons dealing with the region.


2019 ◽  
Vol 2 (3) ◽  
pp. 214-219
Author(s):  
Umesh Kumar Mehta ◽  
Arun Dhakal ◽  
Surya Bahadur Parajuli ◽  
Sanjib Kumar Sah

Background: The pterion is defined as an H shaped sutural confluence present on the lateral side of the skull. This pterion junction has been used as a common extra-cranial landmark for surgeons in microsurgical and surgical approaches towards important pathologies of this region. Methods:This is ananalytical cross sectional study conducted at Department of Anatomy, Birat Medical College & Teaching Hospital, Tankisinuwari, Morang, Nepal. Total enumeration technique was used to collect samples where 31 dry human skulls of unknown age and sex were taken. The sutural pattern and location of the pterion was determined and measured on both sides of each skull using digitalvernier caliper. Results: Three types of sutural patterns of pterion were observed. Among them, Sphenoparietal type was higher in frequency.The frequency was 26 (83.8%) on the right side and 24 (77.4%) on the left side. The distance between the centre of pterion to the midpoint of upper border of zygomatic arch was 3.82±0.3 cm on the right side and 3.8±0.29 cm on the left side. The distance between the centre of pterion to the postero-lateral aspect of fronto-zygomatic suture was 3.02±0.23 cmon the right side and 3.0±0.23 cm on the left side. Conclusions: The information of thesutural pattern and the location of the pterion from the different bony landmarks of our study may be useful for anthropologists and neurosurgeons.


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