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Dennis H Li, Shruta Rawat, Jayson Rhoton, Pallav Patankar, Maria L Ekstrand, B R Simon Rosser, J Michael Wilkerson
On December 11, 2013, the Indian Supreme Court recriminalized non-peno-vaginal sex under Sec. 377 of the Indian Penal Code (IPC), overturning a 2009 ruling that deemed IPC Sec. 377 unconstitutional. Similar "sodomy laws" in other countries have been associated with increased violence, harassment, and other discrimination against men who have sex with men (MSM) and transgender women. However, few studies have looked at the effects of such a law in an Indian context. This study examined experiences of victimization among MSM and hijra/transgender women (MSM-H) in the State of Maharashtra using a mixed-method approach...
September 2017: Sexuality Research & Social Policy
Toshio Matsushima, Ken Matsushima, Shigeaki Kobayashi, J Richard Lister, Jacques J Morcos
Dr. Albert L. Rhoton Jr. was a pioneer of the study of microneurosurgical anatomy. Championing this field over the past half century, he produced more than 500 publications. In this paper, the authors review his body of work, focusing on approximately 160 original articles authored by Rhoton and his microneuroanatomy fellows. The articles are categorized chronologically into 5 stages: 1) dawn of microneurosurgical anatomy, 2) study of basic anatomy for general neurosurgery, 3) study for skull base surgery, 4) study of the internal structures of the brain by fiber dissection, and 5) surgical anatomy dealing with new advanced surgical approaches...
February 2, 2018: Journal of Neurosurgery
Frederick A Boop
The 2016 scientific meeting of the American Association of Neurological Surgeons (AANS) focused on the theme "A World of Innovation." In his presidential address, 2016 AANS President Frederick Boop compared the historical development of the specialty of neurological surgery with that of the development of global communications. In the early years, general surgeons training in the United States would spend post-residency time abroad learning from surgical masters in Europe and other places. Since Harvey Cushing's day, neurosurgeons from around the world continue to travel abroad, with many now coming to America for training at centers of excellence...
December 2017: Journal of Neurosurgery
Osamu Akiyama, Ken Matsushima, Maximiliano Nunez, Satoshi Matsuo, Akihide Kondo, Hajime Arai, Albert L Rhoton, Toshio Matsushima
OBJECTIVE The lateral recess is a unique structure communicating between the ventricle and cistern, which is exposed when treating lesions involving the fourth ventricle and the brainstem with surgical approaches such as the transcerebellomedullary fissure approach. In this study, the authors examined the microsurgical anatomy around the lateral recess, including the fiber tracts, and analyzed their findings with respect to surgical exposure of the lateral recess and entry into the lower pons. METHODS Ten cadaveric heads were examined with microsurgical techniques, and 2 heads were examined with fiber dissection to clarify the anatomy between the lateral recess and adjacent structures...
November 17, 2017: Journal of Neurosurgery
Alice S Rhoton-Vlasak, Kay Roussos-Ross, Girard M Cua, Erica L Odera, Tracy A Irani, Terrie Vasilopoulos
OBJECTIVE: To explore awareness of the reproductive versus the medical risks of obesity in a medical and non-medical college educated population. METHODS: An exploratory prospective research design was used. A 26-question online survey was developed and offered to a sample of medical students/residents (n=325) and non-medical college students (n=102). The data were analyzed using Graph Pad software. RESULTS: 102 non-medical undergraduate students (28% male and 72% female) and 325 resident physicians and medical students (46% male, 47% female, 7% unspecified) responded...
December 1, 2017: JBRA Assisted Reproduction
Satoshi Matsuo, Serhat Baydin, Abuzer Güngör, Erik H Middlebrooks, Noritaka Komune, Koji Iihara, Albert L Rhoton
OBJECTIVE A postoperative visual field defect resulting from damage to the occipital lobe during surgery is a unique complication of the occipital transtentorial approach. Though the association between patient position and this complication is well investigated, preventing the complication remains a challenge. To define the area of the occipital lobe in which retraction is least harmful, the surface anatomy of the brain, course of the optic radiations, and microsurgical anatomy of the occipital transtentorial approach were examined...
October 20, 2017: Journal of Neurosurgery
Tarek Rayan, Matthew L Carlson, David G Piepgras, Michael J Link, Jamie J Van Gompel
Dr Albert L. Rhoton Jr became the focal point of neurosurgery's evolution in understanding the intricate and complex microanatomy of the human brain over the last 4 decades. His pioneering work on cadaveric specimens proved to be a pivotal endeavor in the pursuit to better understand the complex microsurgical anatomy of cranial surgery. This paper details his early career at the Mayo Clinic in Rochester, Minnesota. A comprehensive review and synthesis of data acquired from the institutional historical archives including the Annual Reports to the Executive Committee, the Reports to the Board of Directors, the MAYOVOX Newsletter, the illustration archives of the Mayo Clinic Division of Creative Media, staff biographies, curriculum vitae, personal interviews, as well as full-text journal articles, and book publications was performed...
August 9, 2017: Neurosurgery
Alvaro Campero, Pablo Ajler, Carlos Rica, Albert Rhoton
BACKGROUND: The mesial temporal region (MTR) is located deep in the temporal lobe and it is surrounded by important vascular and nervous structures that should be preserved during surgery. OBJECTIVE: To describe microsurgical anatomy and approaches to the MTR in relation to cavernomas and arteriovenous malformations (AVMs). METHODS: Five formalin-fixed and red silicone-embedded heads of adult cadavers were used for this study. Between January 2003 and June 2014, 7 patients with cavernomas and 6 patients with AVMs in the MTR underwent surgery...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
Alejandro Monroy-Sosa, Edgar Nathal, Albert L Rhoton
BACKGROUND: Distal anterior cerebral artery (DACA) aneurysms, also known as pericallosal artery aneurysms, are present in 1.5%-9% of all intracranial aneurysms. Here we characterize the important microsurgical anatomy of DACAs; describe the surgical approach to treating these aneurysms with a minimally invasive surgical technique, the mini anterior interhemispheric approach (MAIA); and examine the nuances of aneurysm clipping in this region. METHODS: This was a retrospective and descriptive analysis of a series of aneurysm surgeries performed at the National Institute of Neurology and Neurosurgery in Mexico City...
December 2017: World Neurosurgery
Toshio Matsushima, J Richard Lister, Ken Matsushima, Evandro de Oliveira, Erdener Timurkaynak, David A Peace, Shigeaki Kobayashi
The work performed in Dr. Rhoton's Lab, represented by over 500 publications on microneurosurgical anatomy, greatly contributed to improving the level of neurosurgical treatment throughout the world. The authors reviewed the development and activities of the Lab over 40 years. Dr. Albert L. Rhoton Jr., the founder of, and leader in, this field, displayed great creativity and ingenuity during his life. He devoted himself to perfecting his study methodology, employing high-definition photos and slides to enhance the quality of his published papers...
September 6, 2017: Neurosurgical Review
Daniel S Leon-Ariza, Alvaro Campero, Rubby J Romero Chaparro, Diddier G Prada, Gabriel Vargas Grau, Albert L Rhoton
Foramen magnum meningiomas represent a challenge for neurosurgeons. These tumors require careful surgical manipulation as they are often located in proximity to critical neurovascular structures and the cranial nerves. The far lateral approach is considered the safest neurosurgical approach for excising foramen magnum lesions. It facilitates the access to the anterior foramen magnum and reduces the retraction of vital structures. We describe key historical, epidemiological, genetic, epigenetic, clinical, and neurosurgical aspects of foramen magnum meningiomas...
October 2017: World Neurosurgery
John W Petersen, Jing Liu, Yueh-Yun Chi, Melissa Lingis, R Stan Williams, Alice Rhoton-Vlasak, Mark S Segal, Kirk P Conrad
Various non-invasive methods are available to measure cardiac output (CO) during pregnancy. We compared serial measures of CO using various methods to determine which provided the least variability. Ten patients with spontaneous pregnancy had estimation of CO at baseline prior to becoming pregnant and at the end of the first and third trimesters. Echocardiographic data were used to estimate CO using the Teichholz method, Simpson's biplane method, and the Doppler determined velocity time integral (VTI) method...
April 2017: Physiological Reports
Nelson M Oyesiku
No abstract text is available yet for this article.
May 1, 2016: Neurosurgery
Hung Tzu Wen, Leila Maria Da Róz, Albert L Rhoton, Luiz Henrique Martins Castro, Manoel Jacobsen Teixeira
BACKGROUND: An extensive frontal resection is a frequently performed neurosurgical procedure, especially for treating brain tumor and refractory epilepsy. However, there is a paucity of reports available regarding its surgical anatomy and technique. OBJECTIVES: We sought to present the anatomic landmarks and surgical technique of the frontal lobe decortication (FLD) in epilepsy. The goals were to maximize the gray matter removal, spare primary and supplementary motor areas, and preserve the frontal horn...
February 2017: World Neurosurgery
Tara L Braun, Larry H Hollier
No abstract text is available yet for this article.
January 2017: Journal of Craniofacial Surgery
Osamu Akiyama, Ken Matsushima, Abuzer Gungor, Satoshi Matsuo, Dylan J Goodrich, R Shane Tubbs, Paul Klimo, Aaron A Cohen-Gadol, Hajime Arai, Albert L Rhoton
OBJECTIVE Approaches to the pulvinar remain challenging because of the depth of the target, surrounding critical neural structures, and complicated arterial and venous relationships. The purpose of this study was to compare the surgical approaches to different parts of the pulvinar and to examine the efficacy of the endoscope as an adjunct to the operating microscope in this area. METHODS The pulvinar was examined in 6 formalin-fixed human cadaveric heads through 5 approaches: 4 above and 1 below the tentorium...
September 2017: Journal of Neurosurgery
Kaan Yagmurlu, Sam Safavi-Abbasi, Evgenii Belykh, M Yashar S Kalani, Peter Nakaji, Albert L Rhoton, Robert F Spetzler, Mark C Preul
OBJECTIVE The aim of this investigation was to modify the mini-pterional and mini-orbitozygomatic (mini-OZ) approaches in order to reduce the amount of tissue traumatization caused and to compare the use of the 2 approaches in the removal of circle of Willis aneurysms based on the authors' clinical experience and quantitative analysis. METHODS Three formalin-fixed adult cadaveric heads injected with colored silicone were examined. Surgical freedom and angle of attack of the mini-pterional and mini-OZ approaches were measured at 9 anatomical points, and the measurements were compared...
September 2017: Journal of Neurosurgery
João Luiz Vitorino Araujo, José C E Veiga, Hung Tzu Wen, Almir F de Andrade, Manoel J Teixeira, José P Otoch, Albert L Rhoton, Mark C Preul, Robert F Spetzler, Eberval G Figueiredo
OBJECTIVE Access to the third ventricle is a veritable challenge to neurosurgeons. In this context, anatomical and morphometric studies are useful for establishing the limitations and advantages of a particular surgical approach. The transchoroidal approach is versatile and provides adequate exposure of the middle and posterior regions of the third ventricle. However, the fornix column limits the exposure of the anterior region of the third ventricle. There is evidence that the unilateral section of the fornix column has little effect on cognitive function...
November 4, 2016: Journal of Neurosurgery
Jayson Rhoton, J Michael Wilkerson, Shruta Mengle, Pallav Patankar, B R Simon Rosser, Maria L Ekstrand
BACKGROUND: The affordability of smartphones and improved mobile networks globally has increased the popularity of geosocial networking (GSN) apps (eg, Grindr, Scruff, Planetromeo) as a method for men who have sex with men (MSM) to seek causal sex partners and engage with the queer community. As mobile penetration continues to grow in India, it is important to understand how self-presentation on GSN app is relevant because it offers insight into a population that has not been largely studied...
October 31, 2016: JMIR MHealth and UHealth
Satoshi Matsuo, Serhat Baydin, Abuzer Güngör, Koichi Miki, Noritaka Komune, Ryota Kurogi, Koji Iihara, Albert L Rhoton
OBJECTIVE A common approach to lesions of the pineal region is along the midline below the torcula. However, reports of how shifting the approach off midline affects the surgical exposure and relationships between the tributaries of the vein of Galen are limited. The purpose of this study is to examine the microsurgical and endoscopic anatomy of the pineal region as seen through the supracerebellar infratentorial approaches, including midline, paramedian, lateral, and far-lateral routes. METHODS The quadrigeminal cisterns of 8 formalin-fixed adult cadaveric heads were dissected and examined with the aid of a surgical microscope and straight endoscope...
June 2017: Journal of Neurosurgery
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