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Parietal Bone

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1. Twist1-Haploinsufficiency Selectively Enhances the Osteoskeletal Capacity of Mesoderm-Derived Parietal Bone Through Downregulation of Fgf23 (PubMed)

Twist1-Haploinsufficiency Selectively Enhances the Osteoskeletal Capacity of Mesoderm-Derived Parietal Bone Through Downregulation of Fgf23 Craniofacial development is a program exquisitely orchestrated by tissue contributions and regulation of genes expression. The basic helix-loop-helix (bHLH) transcription factor Twist1 expressed in the skeletal mesenchyme is a key regulator of craniofacial development playing an important role during osteoskeletogenesis. This study investigates (...) the postnatal impact of Twist1 haploinsufficiency on the osteoskeletal ability and regeneration on two calvarial bones arising from tissues of different embryonic origin: the neural crest-derived frontal and the mesoderm-derived parietal bones. We show that Twist1 haplonsufficiency as well Twist1-sh-mediated silencing selectively enhanced osteogenic and tissue regeneration ability of mesoderm-derived bones. Transcriptomic profiling, gain-and loss-of-function experiments revealed that Twist1

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2018 Frontiers in physiology

2. Prostate Cancer Presenting with Parietal Bone Metastasis (PubMed)

Prostate Cancer Presenting with Parietal Bone Metastasis Bone metastases from prostate cancer are very common. They are usually located on the axial skeleton. However, cranial bone metastases especially to the parietal bone are rare. We report a case of metastatic prostate cancer presenting with left parietal bone metastasis in a patient with no urological symptoms or signs. We should consider prostate cancer in any man above 60 years presenting unusual bone lesions.

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2017 Case reports in urology

3. Polyostotic craniofacial fibrous dysplasia with bizarre radiologic finding: Mandible, anterior skull base, frontal, temporal, parietal, and occipital bones involvement (PubMed)

Polyostotic craniofacial fibrous dysplasia with bizarre radiologic finding: Mandible, anterior skull base, frontal, temporal, parietal, and occipital bones involvement 28840064 2018 11 13 2229-5097 8 2017 Surgical neurology international Surg Neurol Int Polyostotic craniofacial fibrous dysplasia with bizarre radiologic finding: Mandible, anterior skull base, frontal, temporal, parietal, and occipital bones involvement. 160 10.4103/sni.sni_87_17 Tabibkhooei Alireza A Department of Neurosurgery

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2017 Surgical neurology international

4. Mice lacking the conserved transcription factor Grainyhead-like 3 (Grhl3) display increased apposition of the frontal and parietal bones during embryonic development (PubMed)

Mice lacking the conserved transcription factor Grainyhead-like 3 (Grhl3) display increased apposition of the frontal and parietal bones during embryonic development Increased apposition of the frontal and parietal bones of the skull during embryogenesis may be a risk factor for the subsequent development of premature skull fusion, or craniosynostosis. Human craniosynostosis is a prevalent, and often serious embryological and neonatal pathology. Other than known mutations in a small number (...) morphology and size in adult animals lacking one Grhl3 allele (heterozygous; Grhl3 +/- ), which are viable and fertile. We found that these adult mice also present with a smaller cranial cavity, suggestive of post-natal haploinsufficiency in the context of cranial development.Our findings show that our Grhl3 mice present with increased apposition of the frontal and parietal bones, suggesting that Grhl3 may be involved in the developmental pathogenesis of craniosynostosis.

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2016 BMC developmental biology

5. Painful sporadic osteolysis of the parietal bone 'Gorham's disease'. (PubMed)

Painful sporadic osteolysis of the parietal bone 'Gorham's disease'. We report a 62-year old man, with painful osteolysis 'Gorham disease' of skull. To ameliorate pain, large craniotomy and cranioplasty was performed. There was no sign of recurrence after one year. A brief review of the literature is presented.

2016 British Journal of Neurosurgery

6. Surface Reconstruction from Parallel Curves with Application to Parietal Bone Fracture Reconstruction (PubMed)

Surface Reconstruction from Parallel Curves with Application to Parietal Bone Fracture Reconstruction Maxillofacial trauma are common, secondary to road traffic accident, sports injury, falls and require sophisticated radiological imaging to precisely diagnose. A direct surgical reconstruction is complex and require clinical expertise. Bio-modelling helps in reconstructing surface model from 2D contours. In this manuscript we have constructed the 3D surface using 2D Computerized Tomography (CT (...) ) scan contours. The fracture part of the cranial vault are reconstructed using GC1 rational cubic Ball curve with three free parameters, later the 2D contours are flipped into 3D with equidistant z component. The constructed surface is represented by contours blending interpolant. At the end of this manuscript a case report of parietal bone fracture is also illustrated by employing this method with a Graphical User Interface (GUI) illustration.

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2016 PloS one

7. Parietal Bone

Parietal Bone Parietal Bone Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Parietal Bone Parietal Bone Aka: Parietal Bone II. Anatomy (...) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Images: Related links to external sites (from Bing) These images are a random sampling from a Bing search on the term "Parietal Bone." Click on the image (or right click) to open the source website in a new browser window. Related Studies (from Trip Database) Ontology: Parietal bone structure (C0030558) Definition (NCI) One of two cranial bones that by their union form the sides and roof of the skull

2018 FP Notebook

8. Asymmetrically enlarged parietal foramina in a rare case of Goldenhar syndrome with a possible etiopathogenesis (PubMed)

with features of GS. She had asymmetrical face, cleft lip and palate, right microphthalmia and microtia. Radiological imaging showed right maxillary and mandibular bone hypoplasia, asymmetrically enlarged parietal foramina, a persistent midline occipital foramen, abnormal bone arising from occipital bone, extending along tentorium cerebelli, and a lipoma at the right tentorium cerebelli. A rudimentary right eye with dermoid cyst and pseudotumor as well as bilateral atresia of external auditory canals were (...) Asymmetrically enlarged parietal foramina in a rare case of Goldenhar syndrome with a possible etiopathogenesis Goldenhar´s syndrome (GS) also known as oculo-auriculo-vertebral spectrum (OAVS) is a relatively rare condition. GS is of multifactorial etiology that includes environmental and/or genetic factors, in addition to teratogens that disturb the blastogenesis. A 5-year-old girl from Saudi Arabia, was a member of dizygotic twins conceived by assisted reproductive technology (ART), and born

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2017 Oncotarget

9. rTMS Posterior Parietal Cortex Modulation and Upper Limb Movement After Stroke

rTMS Posterior Parietal Cortex Modulation and Upper Limb Movement After Stroke rTMS Posterior Parietal Cortex Modulation and Upper Limb Movement After Stroke - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more (...) . rTMS Posterior Parietal Cortex Modulation and Upper Limb Movement After Stroke (PPCstim) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. of clinical studies and talk to your health care provider before participating. Read our for details. ClinicalTrials.gov Identifier: NCT03323255 Recruitment Status : Not yet recruiting First Posted : October 26, 2017

2017 Clinical Trials

10. Benign fibrous histiocytoma of parietal bone: case report and review of the literature (PubMed)

Benign fibrous histiocytoma of parietal bone: case report and review of the literature A benign fibrous histiocytoma with primary site of origin in the parietal bone has not yet been reported in the literature. We report here a case concerning a 12-year-old girl with a 14-month history of an enlarging parietal bone mass. The tumor was excised after removal of the cortical bone and resection of the tumor surrounding the cortical bone erosion using pre-plasticity titanium repair. Both (...) postoperative histopathological examination and immunohistochemical analysis were consistent with a benign fibrous histiocytoma. No clinical or computed tomography (CT) radiological signs of tumor recurrence and/or metastasis were observed at 12 months. Although a primary benign fibrous histiocytoma of the parietal bone is a rare tumor, it should be considered as a potential diagnosis for any cranial tumor. Surgical intervention is the most effective treatment technique for a benign fibrous histiocytoma.

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2015 World journal of surgical oncology

11. Atretic parietal encephalocoele (PubMed)

, Lisboa, Portugal. eng Case Reports Journal Article 2016 06 30 England BMJ Case Rep 101526291 1757-790X IM Adult Encephalocele diagnosis surgery Female Humans Infant, Newborn Magnetic Resonance Imaging Male Parietal Bone abnormalities Prenatal Diagnosis Treatment Outcome Ultrasonography, Prenatal 2016 7 2 6 0 2016 7 2 6 0 2017 2 7 6 0 epublish 27365020 bcr-2016-215812 10.1136/bcr-2016-215812 PMC4932395 Clin Radiol. 2007 Apr;62(4):303-13 17331823 Med J Armed Forces India. 2013 Jan;69(1):83-5 24532943 (...) Atretic parietal encephalocoele 27365020 2017 02 06 2018 11 13 1757-790X 2016 2016 Jun 30 BMJ case reports BMJ Case Rep Atretic parietal encephalocoele. 10.1136/bcr-2016-215812 bcr2016215812 Santos Susana Franco SF Hospital Dona Estefânia, Centro Hospitalar Lisboa Central, Lisboa, Portugal. Ramos Helena H Department of Neonatal Intensive Care, Maternidade Dr Alfredo da Costa, Lisboa, Portugal. Irañeta Amets A Hospital Dona Estefania, Lisboa, Portugal. Conceição Carla C Hospital Dona Estefania

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2016 BMJ case reports

12. Bone marker gene expression in calvarial bones: different bone microenvironments (PubMed)

frontal bones, two parietal bones and one interparietal bone. This study aimed to analyse some bone marker genes and bone related genes to determine whether these calvarial bones have different bone microenvironments.C57BL/KaLwRijHsD calvariae were carefully excised from five male mice that were 4-6 weeks of age. Frontal, parietal, and interparietal bones were dissected to determine the bone microenvironment in calvariae. Haematoxylin and eosin staining was used to determine the morphology (...) of different calvarial bones under microscopy. TaqMan was used to analyse the relative expression of Runx2, OC, OSX, RANK, RANKL, OPG, N-cadherin, E-cadherin, FGF2 and FGFR1 genes in different parts of the calvariae.Histological analysis demonstrated different bone marrow (BM) areas between the different parts of the calvariae. The data show that parietal bones have the smallest BM area compared to frontal and interparietal bones. TaqMan data show a significant increase in the expression level of Runx2, OC

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2017 Journal of Biological Research

13. Skull showing Perforations of Parietal Bone, or Enlarged Parietal Foramina (PubMed)

Skull showing Perforations of Parietal Bone, or Enlarged Parietal Foramina 17104226 2008 08 22 2008 11 20 0021-8782 63 Pt 2 1929 Jan Journal of anatomy J. Anat. Skull showing Perforations of Parietal Bone, or Enlarged Parietal Foramina. 277-8 Stibbe E P EP eng Journal Article England J Anat 0137162 0021-8782 1929 1 1 0 0 1929 1 1 0 1 1929 1 1 0 0 ppublish 17104226 PMC1250119

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1929 Journal of anatomy

14. Regenerative capacity of augmented bone in rat calvarial guided bone augmentation model (PubMed)

into the dorsal parietal bone on the left of the calvaria. Bone particles were harvested from the AB or the cortical bone (CB) using a bone scraper and transplanted into the critical defects.The newly generated bone at the defects' edge was evaluated using micro-computed tomography (micro-CT) and histological sections. In the micro-CT analysis, the radiopacity in both the augmented and the CB groups remained high throughout the observational period. In the histological analysis, the closure rate of the CB (...) Regenerative capacity of augmented bone in rat calvarial guided bone augmentation model Guided bone regeneration (GBR) is the most widely used technique to regenerate and augment bones. Even though augmented bones (ABs) have been examined histologically in many studies, few studies have been conducted to examine the biological potential of these bones and the healing dynamics following their use. Moreover, whether the bone obtained from the GBR procedure possesses the same functions

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2017 Journal of periodontal & implant science

15. Parietal Bone

Parietal Bone Parietal Bone Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Parietal Bone Parietal Bone Aka: Parietal Bone II. Anatomy (...) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Images: Related links to external sites (from Bing) These images are a random sampling from a Bing search on the term "Parietal Bone." Click on the image (or right click) to open the source website in a new browser window. Related Studies (from Trip Database) Ontology: Parietal bone structure (C0030558) Definition (NCI) One of two cranial bones that by their union form the sides and roof of the skull

2015 FP Notebook

16. Cranial vault unicameral bone cyst. (PubMed)

Cranial vault unicameral bone cyst. Unicameral bone cysts (UBC), also known as simple bone cysts, are common benign bone lesions filled with fluid, primarily occurring in children and adolescents. Although they can develop in any bone, UBCs usually affect the long bones.A 53 year old male patient was found incidentally to have a calvarian lesion in the parietal region overlying the superior sagittal sinus (SSS) ( Figure 1 ). The differential diagnosis included a large arachnoid granulation (...) , haemangioma of bone, a giant cell tumour or tuberculous infection. The patient was planned for elective surgery to remove the lesion and establish the diagnosis. Surgery was uneventful.To the best of our knowledge we describe the first case of UBC affecting the cranial vault. The patient underwent surgery.

2019 British Journal of Neurosurgery

17. Morphology and topography of the parietal emissary foramina in South Indians: an anatomical study (PubMed)

Morphology and topography of the parietal emissary foramina in South Indians: an anatomical study The objectives of the present study were to study the prevalence of the parietal emissary vein in adult South Indian population and to study the distance of foramen from the sagittal suture. There were 58 adult human skulls in the present study which were available at the anatomy department of our institution. The study included 116 parietal bones which have been observed macroscopically (...) for the number, prevalence and topography of the emissary foramen. The emissary foramen was present in 83 parietal bones (71.5%) of the present study. It was present at the junction between the middle 1/3 and posterior 1/3 region of the parietal bone. The foramen was observed solitary in 73 parietal bones (62.9%), double in 8 bones (6.9%), and triple in 2 parietal bones (1.7%). The foramen was not observed in 33 parietal bones (28.4%). The bilateral absence of parietal emissary foramen was seen in 7 skulls

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2015 Anatomy & cell biology

18. Comparing Ancient DNA Preservation in Petrous Bone and Tooth Cementum. (PubMed)

environments. Both substrates display significantly higher endogenous DNA content (average of 16.4% and 40.0% for teeth and petrous bones, respectively) than parietal skull bone (average of 2.2%). Despite sample-to-sample variation, petrous bone overall performs better than tooth cementum (p = 0.001). This difference, however, is driven largely by a cluster of viking skeletons from one particular locality, showing relatively poor molecular tooth preservation (<10% endogenous DNA). In the remaining (...) Comparing Ancient DNA Preservation in Petrous Bone and Tooth Cementum. Large-scale genomic analyses of ancient human populations have become feasible partly due to refined sampling methods. The inner part of petrous bones and the cementum layer in teeth roots are currently recognized as the best substrates for such research. We present a comparative analysis of DNA preservation in these two substrates obtained from the same human skulls, across a range of different ages and preservation

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2017 PLoS ONE

19. Repair of fractures of the parietal bone in rats (PubMed)

Repair of fractures of the parietal bone in rats 17104993 2007 07 27 2008 11 20 0021-8782 80 Pt 2 1946 Apr Journal of anatomy J. Anat. Repair of fractures of the parietal bone in rats. 55-60.2 Pritchard J J JJ Anatomy Department, St Mary's Hospital Medical School, London. eng Journal Article England J Anat 0137162 0021-8782 1946 4 1 0 0 1946 4 1 0 1 1946 4 1 0 0 ppublish 17104993 PMC1272732

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1946 Journal of anatomy

20. Account of a case of external and internal cephalhæmatoma, complicated with fracture of the right parietal bone, in a new-born infant (PubMed)

Account of a case of external and internal cephalhæmatoma, complicated with fracture of the right parietal bone, in a new-born infant 20895830 2011 03 29 2011 03 29 0959-5287 28 1845 Medico-chirurgical transactions Med Chir Trans Account of a case of external and internal cephalhæmatoma, complicated with fracture of the right parietal bone, in a new-born infant. 397-640.7 West C C eng Journal Article England Med Chir Trans 0156105 0959-5287 2010 10 5 6 0 1845 1 1 0 0 1845 1 1 0 1 ppublish

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1845 Medico-chirurgical transactions

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