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Sella turcica

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https://www.readbyqxmd.com/read/28684370/a-primary-pigmented-choroid-plexus-papilloma-located-within-the-sella-turcica-case-report-and-literature-review
#1
Xuan Gong, Chao Liu, Longbo Zhang, Zhenyan Li, Christopher M Bartley, Zhixiong Liu
BACKGROUND: Choroid plexus papillomas (CPPs) are rare benign tumors and the pigmented subtype is even more rarely observed. CASE DESCRIPTION: We present the case of a 43-year-old woman with complaints of headache and progressive left monocular visual deterioration, whose initial plain CT showed an ovate high density tumor located within in sellar region. MRI revealed a homogeneously contrast-enhancing tumor extending from the sella turcica to the suprasellar cistern...
July 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28675669/a-two-year-audit-of-outcomes-of-pituitary-surgery-at-an-australian-teaching-hospital
#2
Timothy M E Davis, Imran Badshah, Jocelyn Drinkwater, Emily Kusich, Erin Latkovic, Neville Knuckey
BACKGROUND: There is evidence that cure rates and complications are influenced by the case load in neurosurgical centres performing transsphenoidal pituitary surgery. Although Australian centres may perform relatively small numbers of these procedures, there have been few published audits of their performance. AIMS: To conduct an audit of surgery for pituitary tumours between 2012 and 2014 in the only public hospital neurosurgical unit in the state of Western Australia...
July 4, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28673207/a-cone-beam-computed-tomographic-evaluation-of-the-size-of-the-sella-turcica-in-patients-with-cleft-lip-and-palate
#3
Maryam Paknahad, Shoaleh Shahidi, Iman Khaleghi
OBJECTIVE: Changes in the size of the sella turcica are frequently related to pathologies and syndromes. The aim of this was to compare the sella turcica dimensions in patients with unilateral and bilateral cleft lip and palate and non-cleft subjects. METHODS: Cone beam computed tomography (CBCT) images of three groups consisted of 20 patients with unilateral cleft lip and palate; 20 patients with bilateral cleft lip and palate and a control group consisting of 20 non-cleft subjects were the research population in this pilot study...
July 4, 2017: Journal of Orthodontics
https://www.readbyqxmd.com/read/28668473/multiple-recurrences-require-long-term-follow-up-in-patients-diagnosed-with-spindle-cell-oncocytoma-of-the-sella-turcica
#4
Branavan Manoranjan, Alex Koziarz, Michelle M Kameda-Smith, John P Provias
Spindle cell oncocytoma (SCO) of the sella turcica is characterized as a WHO grade I non-endocrine neoplasm of the sella turcica. Histologically, these tumors contain spindled and variably oncocytic cellular processes. Although SCOs lack immunoreactivity for neuroendocrine markers and pituitary hormones, they are clinically indistinguishable from non-functioning pituitary adenomas. In contrast to the initially described benign clinical course, several reports have subsequently illustrated cases with multiple recurrences with or without histological features of anaplasia in the form of nuclear pleomorphism, frequent mitoses, high Ki-67 index, and/or necrosis...
June 28, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28652753/pituitary-abscess-report-of-two-cases-and-review-of-the-literature
#5
Yu Liu, Feng Liu, Qi Liang, Yexin Li, Zhifei Wang
Pituitary abscess is a rare but critical disorder caused by an infectious process where purulent material accumulates inside the sella turcica. Since symptoms, signs and radiographic characteristics of pituitary abscess are similar to several other pituitary lesions, correct diagnosis before surgery is challenging. In this article, two cases of pituitary abscess treated in our department are reported, followed by a literature review. In these two cases, both patients presented with intermittent fever. Magnetic resonance imaging revealed a suprasellar lesion with rim enhancement after contrast injection...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28550628/giovanni-verga-1879-1923-author-of-a-pioneering-treatise-on-pituitary-surgery-the-foundations-of-this-new-field-in-europe-in-the-early-1900s
#6
REVIEW
José M Pascual, Lorenzo Mongardi, Ruth Prieto, Inés Castro-Dufourny, María Rosdolsky, Sewan Strauss, Rodrigo Carrasco, Eduard Winter, Paolo Mazzarello
The field of pituitary surgery was born in the first decade of the twentieth century in Europe, and it evolved rapidly with the development of numerous innovative surgical techniques by some of the founding fathers of neurosurgery. This study investigates the pioneering Italian treatise on pituitary surgery, La Patologia Chirurgica dell'Ipofisi (Surgical Pathology of the Hypophysis), published in 1911 by Giovanni Verga (1879-1923), a surgeon from Pavía and one of Golgi's disciples. This little-known monograph compiles the earliest experience on pituitary surgery through the analysis of the first 50 procedures performed between 1903 and 1911...
May 27, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28532906/first-report-of-coexistence-of-two-ectopic-pituitary-tumors-rathke-cleft-cyst-and-silent-adrenocorticotropic-hormone-adenoma
#7
Mirza Pojskić, Blazej Zbytek, Neal S Beckford, Frederick A Boop, Kenan I Arnautović
BACKGROUND: Rathke cleft cysts (RCCs) and pituitary adenomas (PAs) are thought to have a common embryonic ancestry; however, PAs with a concomitant RCC inside the sella turcica are rarely observed. Ectopic pituitary tumors are also rare. CASE DESCRIPTION: We present the case of a 65-year-old woman with an ectopic RCC in the sphenoid sinus and outside the sella turcica concomitant with an adrenocorticotropic hormone (ACTH)-staining, clinically silent PA. The patient had headache but no endocrine or visual disturbances...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28526958/-ectopic-suprasellar-type-iia-prl-secreting-pituitary-adenoma
#8
REVIEW
Heng-Jun Zhou, De-Sheng Pan, Xiao-Qun Ba, Ren-Ya Zhan, Xiu-Jue Zheng, Yue-Hui Ma
BACKGROUND: Ectopic pituitary adenomas (EPAs) are rare, and the suprasellar cistern seems to be the most common location. At this time, no detailed original classification, diagnosis, or treatment protocols for suprasellar pituitary adenomas (SPAs) have been described. CASE DESCRIPTION: A 19-year-old man showed visual disturbances and lack of libido for 3 years, he suffered a sharp decline in vision with only light perception in the last week. Magnetic resonance imaging scans revealed a large suprasellar cystic lesion with a normal pituitary in the sella turcica...
August 2017: Pituitary
https://www.readbyqxmd.com/read/28437813/presenting-symptoms-of-pituitary-apoplexy
#9
Efstratios-Stylianos Pyrgelis, Ioannis Mavridis, Maria Meliou
The classical term "pituitary apoplexy" (PA) describes a clinical syndrome usually characterized by abrupt onset of headache accompanied by neurologic and/or endocrinologic deterioration due to sudden expansion of a mass within the sella turcica as a result of hemorrhage or infarction within a pituitary tumor and adjacent pituitary gland. PA is a medical emergency and a difficult diagnosis to establish. Thus this article reviews the presenting symptoms of PA patients to help clinicians recognize or at least suspect this critical condition early on...
April 24, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28401031/sella-turcica-measurements-on-lateral-cephalograms-of-patients-with-neurofibromatosis-type-1
#10
Reinhard E Friedrich, Johanna Baumann, Anna Suling, Hannah T Scheuer, Hanna A Scheuer
The aim of this study was to measure line segments and areas of sella turcica on lateral cephalograms with respect to the clinical diagnosis of facial phenotype of patients with neurofibromatosis type 1 (NF1). Special attention was given to correlate the measured values with certain tumour types that are typical for this disease. Material and methods: Lateral cephalograms of 194 individuals were investigated. Patients with NF1 were further divided according to the detection and topography of facial plexiform neurofibromas (PNF) taking into account the distribution pattern of the trigeminal nerve...
2017: GMS Interdisciplinary Plastic and Reconstructive Surgery DGPW
https://www.readbyqxmd.com/read/28387468/sella-turcica-bridging-and-dental-anomalies-is-there-an-association
#11
Andrea Scribante, Maria Francesca Sfondrini, Marco Cassani, Danilo Fraticelli, Sergio Beccari, Paola Gandini
BACKGROUND: Sella turcica bridging (STB), or calcification of the interclinoid ligament of sella turcica, has been reported to be associated with some dental anomalies (palatal canine impaction and transposition). HYPOTHESIS OR AIM: The aim of the study was to find any association between canine impaction, hyperdontia or hypodontia and sellar dimensions or bridging. DESIGN: Lateral cephalometric radiographs from 78 patients with impacted canines, 68 with dental agenesis and 17 with hyperdontia were collected...
April 7, 2017: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/28257736/associations-among-sella-turcica-bridging-atlas-arcuate-foramen-ponticulus-posticus-development-atlas-posterior-arch-deficiency-and-the-occurrence-of-palatally-displaced-canine-impaction
#12
Mona Haji Ghadimi, Fariborz Amini, Shayesteh Hamedi, Vahid Rakhshan
INTRODUCTION: Head and neck skeletal anomalies or normal variants might predict the occurrence of palatally displaced impacted maxillary canines. Despite their clinical importance, studies in this regard are rare, especially when it comes to vertebral anomalies. METHODS: This case-control study was performed on cephalographs of 35 orthodontic patients (11 male, 24 female) with palatally displaced canines (PDC) and 75 patients without them (29 male, 46 female). PDC were diagnosed on panoramic and lateral cephalographs and from clinical reports...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28230567/magnetic-resonance-imaging-features-of-solitary-hypothalamitis
#13
Hua Zhang, Jing Wang, Yue Wu, Ying Tang, Ran Tao, Hongying Ye, Zhenwei Yao
OBJECTIVE: The study aimed to characterize magnetic resonance imaging (MRI) findings of solitary hypothalamitis and evaluate their clinical value in diagnosis. METHODS: Magnetic resonance imaging scans, including T1-weighted imaging (T1WI), T2-weighted imaging (T2WI), and contrast-enhanced T1-weighted sequences, of 8 biopsy-proven hypothalamitis lesions were retrospectively analyzed along with MRI features including size, shape, signal intensity, enhancement pattern, correlation with adjacent tissues, and changes in infundibular stalk and sella turcica...
March 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28229571/transnasal-transsphenoidal-brain-injury-by-a-fencing-foil-an-unusual-case-report-and-brief-literature-review
#14
Rafet Özay, Mehmet S Balkan, Çağhan Tönge, Zeki Şekerci
BACKGROUND: In this report, the authors present an unusual case of a 10-year-old child who suffered a severe headache and rhinorrhea that occurred as a result of fencing foil sports injury via transnasal-transsphenoidal (TNTS) pathway. METHODS: Following to trauma, the child had shown neurological symptoms such a pupil dilatation, change in consciousness and mild hemiparesia. Imaging demonstrated destruction of bone structures including posterior wall of sphenoid sinus and anterosuperior part of sella turcica, and also a contusion at right thalamic region...
February 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28217394/technical-nuances-of-subtemporal-approach-for-the-treatment-of-basilar-tip-aneurysm
#15
Vladimir S Nakov, Toma Y Spiriev, Ivan T Todorov, Plamen Simeonov
BACKGROUND: Basilar tip aneurysms are one of the most complex vascular lesions to treat surgically because of their location, depth of the approach, and close proximity of vital neurovascular structures such as the mesencephalon, cranial nerves, perforating arteries to the thalamus. There are different surgical approaches utilized to reach basilar tip aneurysms, namely, pterional, pretemporal, orbitozygomatic, subtemporal, and anterior petrosectomy. Each of them has its advantages and limitations...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28120170/xanthomatous-hypophysitis-is-associated-with-ruptured-rathke-s-cleft-cyst
#16
Kai Duan, Sylvia L Asa, Daniel Winer, Zadeh Gelareh, Fred Gentili, Ozgur Mete
Xanthomatous hypophysitis is a rare inflammatory disease of the pituitary gland that can mimic a neoplastic lesion clinically and radiologically. Its pathogenesis remains largely unknown, although recent evidence suggests that pituitary inflammation may occur as a secondary reaction to mucous content released from a ruptured cyst. In a series of 1221 pituitary specimens, we identified seven cases of xanthomatous hypophysitis. Six patients had complete radiological and biochemical workup preoperatively: a cystic-appearing pituitary mass was identified in all six patients (100%) with a mean size of 2...
March 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28018694/anterior-hypopituitarism-and-treatment-response-in-hunter-syndrome-a-comparison-of-two-patients
#17
Munier A Nour, Paola Luca, David Stephure, Xing-Chang Wei, Aneal Khan
Hypopituitarism is a clinically important diagnosis and has not previously been reported in Hunter syndrome. We contrast two cases with anatomic pituitary anomalies: one with anterior panhypopituitarism and the other with intact pituitary function. Patient 1, a 10-year-old boy with Hunter syndrome, was evaluated for poor growth and an ectopic posterior pituitary gland. Endocrine testing revealed growth hormone (GH) deficiency, secondary adrenal insufficiency, and tertiary hypothyroidism. An improvement in growth velocity with hormone replacement (GH, thyroxine, and corticosteroid) was seen; however, final adult height remained compromised...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28009229/transoral-robotic-surgery-for-sellar-tumors-first-clinical-study
#18
Dorian Chauvet, Stéphane Hans, Antoine Missistrano, Celeste Rebours, Wissame El Bakkouri, Guillaume Lot
OBJECTIVE The aim of this study was to confirm the feasibility of an innovative transoral robotic surgery (TORS), using the da Vinci Surgical System, for patients with sellar tumors. This technique was designed to offer a new minimally invasive approach, without soft-palate splitting, that avoids the rhinological side effects of classic endonasal approaches. METHODS The authors performed a prospective study of TORS in patients with symptomatic sellar tumors. Specific anatomical features were required for inclusion in the study and were determined on the basis of preoperative open-mouth CT scans of the brain...
December 23, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28004764/sheehan-syndrome
#19
Züleyha Karaca, Bashir A Laway, Hatice S Dokmetas, Hulusi Atmaca, Fahrettin Kelestimur
Sheehan syndrome or postpartum hypopituitarism is a condition characterized by hypopituitarism due to necrosis of the pituitary gland. The initial insult is caused by massive postpartum haemorrhage (PPH), leading to impaired blood supply to the pituitary gland, which has become enlarged during pregnancy. Small sella turcica size, vasospasms (caused by PPH) and/or thrombosis (associated with pregnancy or coagulation disorders) are predisposing factors; autoimmunity might be involved in the progressive worsening of pituitary functions...
December 22, 2016: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/27922970/morphometric-analysis-of-sella-turcica-using-cone-beam-computed-tomography
#20
Yasin Yasa, Ali Ocak, Ibrahim Sevki Bayrakdar, Suayip Burak Duman, Ismail Gumussoy
OBJECTIVE: The purpose of this study was to assess morphological shape and morphometric analysis of the sella turcica using cone beam computed tomography (CBCT) in different planes of section (coronal and sagittal). MATERIALS AND METHODS: CBCT images of 177 subjects of which 51 males and 126 females in the age group of 11 to 73 years were included in the study population. Linear dimensions which include the length, depth, diameter, and interclinoid distance were measured and the shape of sella turcica was analyzed...
January 2017: Journal of Craniofacial Surgery
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