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Cranial vault

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https://www.readbyqxmd.com/read/28338248/surgical-strategy-for-apert-syndrome-retrospective-study-of-developmental-quotient-and-three-dimensional-computerized-tomography
#1
Shoichi Tomita, Takeshi Miyawaki, Yuichirou Nonaka, Shinsuke Sakai, Reiji Nishimura
There are many surgical techniques for craniosynostosis. However, the indications for and timing of surgery still remain unclarified. Most of the skull growth in craniosynostosis is completed in the first year, and the bone is strong enough to undergo distraction osteogenesis. However, previous reports showed that patients operated on before 1 year of age had better IQ than those operated later in life. This report aims to consider the best timing for cranial expansion and surgical strategy for Apert syndrome...
March 24, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28331115/spontaneous-multicentric-soft-tissue-sarcoma-in-a-captive-african-pygmy-hedgehog-atelerix-albiventris-case-report-and-literature-review
#2
Josué Díaz-Delgado, Roy Pool, Sharman Hoppes, Argine Cerezo, Óscar Quesada-Canales, George Stoica
This report describes the clinical, macroscopic, histopathological and immunohistological features of a spontaneous multicentric extraskeletal sarcoma in an adult male African hedgehog (Atelerix albiventris). It also provides a succinct up-to-date review on neoplasia in this species. On autopsy examination, main gross findings included a moderately demarcated cranial mass and a multilobulated, caudal intra-abdominal mass. The cranial mass had perforated the underlying temporal and occipital bones and had extended into the cranial vault and was compressing the surface of the cerebellum and cerebrum...
March 23, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28317556/skull-5-from-dmanisi-descriptive-anatomy-comparative-studies-and-evolutionary-significance
#3
G Philip Rightmire, Marcia S Ponce de León, David Lordkipanidze, Ann Margvelashvili, Christoph P E Zollikofer
A fifth hominin skull (cranium D4500 and mandible D2600) from Dmanisi is massively constructed, with a large face and a very small brain. Traits documented for the first time in a basal member of the Homo clade include the uniquely low ratio of endocranial volume to basicranial width, reduced vertex height, angular vault profile, smooth nasal sill coupled with a long and sloping maxillary clivus, elongated palate, and tall mandibular corpus. The convex clivus and receding symphysis of skull 5 produce a muzzle-like form similar to that of Australopithecus afarensis...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28291424/giant-melanotic-neuroectodermal-tumor-of-infancy-melanotic-progonoma-of-the-head-and-neck-report-of-a-malignant-case
#4
Giancarlo Nicosia, Pietro Spennato, Ferdinando Aliberti, Daniele Cascone, Lucia Quaglietta, Maria Elena Errico, Mario Muto, Franco Ionna, Giuseppe Cinalli
Melanotic neuroectodermal tumor of infancy is a rare congenital pigmented neoplasm of neural crest origin, locally aggressive, growing rapidly and developing during the 1st year of life. It most commonly arises from the maxilla, cranial vault, and mandible. Occasionally, it exhibits malignant behavior with local lymph nodes involvement. Cases misdiagnosed and left untreated for a long time can present challenges due to the tumor mass and infiltration. In these cases, adjuvant chemotherapy can be extremely helpful before radical excision...
February 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28287344/ewing-s-sarcoma%C3%A2-of-the-cranial-vault-a-case-report
#5
Jihene Feki, Zeineb Guermazi, Brahim Kammoun, Afef Khanfir, Nabil Toumi, Tahiya Boudawara, Zaher Boudawara, Jamel Daoud, Mounir Frikha
Ewing's sarcoma is a malignant tumor that mainly affects young patients. It represents 10% of primary malignant tumors of the bone and 3% of malignant tumors of the child. Cranial localization is extremely rare representing less than 1% of all the localizations. We report a case of a 10-year-old girl who presented with an intracranial hypertension syndrome with left parietal mass of progressive installation. The X-ray skull showed a lytic lesion with irregular margins involving the left parietal bone. Brain magnetic resonance imaging revealed extensive parietal bone destruction involving both the inner and outer tables...
March 13, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28279556/management-options-of-non-syndromic-sagittal-craniosynostosis
#6
REVIEW
Bryan S Lee, Lee S Hwang, Gaby D Doumit, Joseph Wooley, Francis A Papay, Mark G Luciano, Violette M Recinos
There have been various effective surgical procedures for the treatment of non-syndromic sagittal craniosynostosis, but no definitive guidelines for management have been established. We conducted a study to elucidate the current state of practice and establish a warranted standard of care. An Internet-based study was sent to 180 pediatric neurosurgeons across the country and 102 craniofacial plastic surgeons in fourteen different countries, to collect data for primary indication for surgical management, preference for timing and choice of surgery, and pre-, peri-, and post-operative management options...
March 6, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28269720/preliminary-study-on-the-automated-skull-fracture-detection-in-ct-images-using-black-hat-transform
#7
Ayumi Yamada, Atsushi Teramoto, Tomoko Otsuka, Kohei Kudo, Hirofumi Anno, Hiroshi Fujita
Linear skull fracture, following head trauma, may reach major blood vessels, such as the middle meningeal artery or sinus venosus, and may cause epidural hematoma. However, hematoma is likely to be missed in the initial interpretation because it spreads only gradually. In addition, the fracture lines that run along the scan slice plane are often missed during initial interpretation. In this study, we develop a novel method for automated detection of the linear skull fracture using head computed tomography (CT) images and conduct a basic evaluation using digital phantom and head phantom that enclose genuine human bones...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28238822/does-receiving-a-blood-transfusion-predict-for-length-of-stay-in-children-undergoing-cranial-vault-remodeling-for-craniosynostosis-outcomes-using-the-pediatric-national-surgical-quality-improvement-program-dataset
#8
Michael R Markiewicz, Tord Alden, Mohmed Vasim Momin, Alexis B Olsson, Ray J Jurado, Fizan Abdullah, Michael Miloro
PURPOSE: Recent interventions have aimed at reducing the need for blood transfusions in the perioperative period in patients with craniosynostosis undergoing cranial vault remodeling. However, little is known regarding whether the receipt of a blood transfusion influences the length of hospital stay. The purpose of this study was to assess whether the receipt of a blood transfusion in patients undergoing cranial vault remodeling is associated with an increased length of stay. MATERIALS AND METHODS: To address the research purposes, we designed a retrospective cohort study using the 2014 Pediatric National Surgical Quality Improvement Program (NSQIP Peds) dataset...
February 3, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28237440/the-precision-of-micro-tomography-in-bone-taphonomic-experiments-and-the-importance-of-registration
#9
Erwan Le Garff, Vadim Mesli, Yann Delannoy, Thomas Colard, Julien De Jonckheere, Xavier Demondion, Valéry Hédouin
Micro-computed tomography (μCT) provides micrometric 3D images and has been used in forensic studies for anthropology pubis measurement or insect description for post mortem interval estimation. Studies have suggested using registration, a superimposing images method between a reference and a target. This technique avoids positioning bias and increase the precision of μCT. However, no clear study has reported the precision with μCT analysis before or after registration in a forensic field. One fresh post mortem sample of a human cranial vault was collected...
February 15, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28236068/positional-plagiocephaly-is-associated-with-sternocleidomastoid-muscle-activation-in-healthy-term-infants
#10
Amy Leung, Allison Mandrusiak, Pauline Watter, John Gavranich, Leanne Johnston
PURPOSE: To explore the relationship between sternocleidomastoid activation and positional plagiocephaly in healthy full term infants. METHODS: Participants were 82 infants from a regionally based-longitudinal study of infant development. Sternocleidomastoid (SCM) activation was assessed using active head-righting responses of body-on-head with and against gravity and head-on-body against gravity at 3, 6 and 9 weeks. Plagiocephaly was assessed using the Modified Cranial Vault Asymmetry Index (mCVAI) at 9 weeks...
February 24, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28227984/preliminary-study-on-the-automated-skull-fracture-detection-in-ct-images-using-black-hat-transform
#11
Ayumi Yamada, Atsushi Teramoto, Tomoko Otsuka, Kohei Kudo, Hirofumi Anno, Hiroshi Fujita, Ayumi Yamada, Atsushi Teramoto, Tomoko Otsuka, Kohei Kudo, Hirofumi Anno, Hiroshi Fujita, Tomoko Otsuka, Hiroshi Fujita, Ayumi Yamada, Kohei Kudo, Hirofumi Anno, Atsushi Teramoto
Linear skull fracture, following head trauma, may reach major blood vessels, such as the middle meningeal artery or sinus venosus, and may cause epidural hematoma. However, hematoma is likely to be missed in the initial interpretation because it spreads only gradually. In addition, the fracture lines that run along the scan slice plane are often missed during initial interpretation. In this study, we develop a novel method for automated detection of the linear skull fracture using head computed tomography (CT) images and conduct a basic evaluation using digital phantom and head phantom that enclose genuine human bones...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28211198/safety-of-antifibrinolytics-in-cranial-vault-reconstructive-surgery-a-report-from-the-pediatric-craniofacial-collaborative-group
#12
Susan M Goobie, Franklyn P Cladis, Chris D Glover, Henry Huang, Srijaya K Reddy, Allison M Fernandez, David Zurakowski, Paul A Stricker
BACKGROUND: Antifibrinolytic therapy significantly decreases blood loss and transfusion in pediatric cranial vault reconstructive surgery; however, concern regarding the side effects profile limits clinical use. AIMS: The aim was to utilize the Pediatric Craniofacial Surgery Perioperative Registry database to identify the safety profile of antifibrinolytic therapy for cranial vault reconstructive surgery by reporting the incidence of adverse events as they relate to exposure to tranexamic acid and aminocaproic acid compared to no exposure to antifibrinolytics...
March 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28207463/implantation-of-thickened-artificial-bone-for-reduction-of-dead-space-and-prevention-of-infection-between-implant-and-dura-in-secondary-reconstruction-of-the-skull
#13
Mine Ozaki, Keigo Narita, Masakazu Kurita, Yuki Iwashina, Akihiko Takushima, Kiyonori Harii
For the treatment of skull defect compensation after neurosurgery, a customized artificial bone is often employed owing to its toughness and the relative ease of producing cosmetically good result. However, implants are vulnerable to infection and removal of implant is sometimes necessary. Several other treatment options such as autologous bone graft or free flap are likely to be considered for the secondary reconstruction to avoid reinfection; however, reimplantation of artificial bone is beneficial for the patients, being not concerned with donor site morbidity...
February 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28202120/-management-of-positional-head-deformity-in-31-infants
#14
Wei-Wei Pan, Xiao-Mei Tong
OBJECTIVE: To investigate the clinical effect of postural correction training and helmet therapy in the treatment of moderate-severe positional head deformity defined as asymmetric head shape in infants. METHODS: A total of 31 infants who were diagnosed with moderate-severe plagiocephaly and/or brachiocephaly were enrolled. According to the different treatment methods, the infants were divided into helmet therapy group with 11 infants and postural correction training group with 20 infants...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28185320/orientation-of-the-lateral-semicircular-canal-in-xenarthra-and-its-links-with-head-posture-and-phylogeny
#15
Florence Coutier, Lionel Hautier, Raphaël Cornette, Eli Amson, Guillaume Billet
The orientation of the semicircular canals of the inner ear in the skull of vertebrates is one of the determinants of the capacity of this system to detect a given rotational movement of the head. Past functional studies on the spatial orientation of the semicircular canals essentially focused on the lateral semicircular canal (LSC), which is supposedly held close to horizontal during rest and/or alert behaviors. However, they generally investigated this feature in only a few and distantly related taxa. Based on 3D-models reconstructed from µCT-scans of skulls, we examined the diversity of orientations of the LSC within one of the four major clades of placental mammals, that is, the superorder Xenarthra, with a data set that includes almost all extant genera and two extinct taxa...
February 10, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28183556/blood-loss-and-transfusion-requirements-with-epsilon-aminocaproic-acid-use-during-cranial-vault-reconstruction-surgery
#16
Mark E Thompson, Charles Saadeh, Phillip Watkins, Laszlo Nagy, Joshua Demke
OBJECTIVE: To determine whether epsilon-aminocaproic acid (EACA) load of 50 mg∙kg(-1) before skin incision, and infusion of 25 mg∙kg(-1)∙h(-1) until skin closure during cranial vault reconstruction (CVR) were associated with decreased estimated blood loss and transfusion requirements. BACKGROUND: Antifibrinolytic medications decrease bleeding and transfusion requirements during cardiothoracic and orthopedic surgeries with high blood loss, but practical reductions in blood loss and transfusion requirements have not been consistently realized in children undergoing CVR...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28178101/iatrogenic-intradiploic-epidermoid-cyst-following-strip-craniectomy-for-sagittal-craniosynostosis
#17
Michael T Friel, Joaquin Hidalgo, J Mason Shiflett
INTRODUCTION: The increased incidence and success of strip craniectomy with postoperative helmet therapy in the treatment of sagittal craniosynostosis has been documented by multiple centers throughout the country and world. The authors report a child with a postoperative implantation intradiploic epidermoid cyst following a strip craniectomy, a complication, that to our knowledge, has not been reported. METHODS: This clinical report involves a 3-year-old boy with a scaphocephalic appearance who was transferred to our center following an interstate adoption...
February 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28166908/the-middle-stone-age-human-fossil-record-from-klasies-river-main-site
#18
Frederick E Grine, Sarah Wurz, Curtis W Marean
The paleoanthropological significance of Klasies River Main Site derives from its abundant Middle Stone Age (MSA) archaeological debris and the hominin fossils that have featured in discussions about modern human emergence. Despite their significance, the human remains have yet to be contextualized within the spatial, stratigraphic and geochronological framework of the site. We provide an updated overview of the stratigraphy and geochronology of the site, and review the human fossil record in this context. We also provide the first anatomical interpretations of many of the cranial vault fragments...
February 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28163522/ewing-s-sarcoma-of-the-cranial-vault
#19
Geetha Narayanan, K P Sreelesh, Thara Somanathan, Lali V Soman
Primary Ewing's sarcoma (EWS) arising from cranial bones is rare and accounts for only 1%-4% of all EWS. We report the case of a 15-year-old girl with EWS of the frontoparietal region of the skull. She underwent excision following which she received combination chemotherapy with vincristine, doxorubicin, cyclophosphamide alternating with ifosfamide, and VP16 and local radiation of 45 Gy. She is alive in complete remission at 40 months.
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28138909/colloidal-gels-with-extracellular-matrix-particles-and-growth-factors-for-bone-regeneration-in-critical-size-rat-calvarial-defects
#20
Jakob M Townsend, S Connor Dennis, Jonathan Whitlow, Yi Feng, Jinxi Wang, Brian Andrews, Randolph J Nudo, Michael S Detamore, Cory J Berkland
Colloidal gels encapsulating natural materials and exhibiting paste-like properties for placement are promising for filling complex geometries in craniofacial bone regeneration applications. Colloidal materials have demonstrated modest clinical outcomes as bone substitutes in orthopedic applications, but limited success in craniofacial applications. As such, development of a novel colloidal gel will fill a void in commercially available products for use in craniofacial reconstruction. One likely application for this technology is cranial reconstruction...
January 30, 2017: AAPS Journal
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