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Orbital Ct Scan

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https://read.qxmd.com/read/30772617/pediatric-preseptal-and-orbital-cellulitis-a-10-year-experience
#1
Joana Caldeira Santos, Sara Pinto, Sofia Ferreira, Catarina Maia, Sandra Alves, Vinhas da Silva
OBJECTIVE: Characterize clinical features, epidemiology and treatment of hospitalized pediatric cases of preseptal and orbital cellulitis. METHODS: Retrospective study of children/adolescents admitted to a central hospital with preseptal and orbital cellulitis between 2007 and 2017. RESULTS: A total of 122 cases were included, 80.3% with preseptal cellulitis and 19.7% with orbital cellulitis. Patients had a median age of 5 years. Sinusitis was the most common predisposing factor (40...
February 7, 2019: International Journal of Pediatric Otorhinolaryngology
https://read.qxmd.com/read/30766811/unusual-sites-of-metastatic-and-benign-i-131-uptake-in-patients-with-differentiated-thyroid-carcinoma
#2
Shanmuga S Palaniswamy, Padma Subramanyam
Introduction: Differentiated thyroid carcinoma (DTC) is the most common pathological type of thyroid carcinoma, which includes papillary and follicular subtypes. DTC is usually indolent, characterized by good prognosis, and long-term survival. Total thyroidectomy is the mainstay of treatment in DTC which is followed by diagnostic whole body 131I (WBI) scan. Like other primary malignancies of the head and neck, DTC follows a consistent pattern of spread in the cervical LNs. The central compartment, level VI and VII, is the first sentinel node followed by spread to the lateral compartments levels II-V, followed by the contralateral side...
November 2018: Indian Journal of Endocrinology and Metabolism
https://read.qxmd.com/read/30716192/computed-tomographic-dimensions-of-the-normal-adult-equine-eye
#3
Anna R Hollis, Jonathon J Dixon, Davide Berlato, Rachel Murray, Renate Weller
There are limited data on whether the dimensions of the equine eye and its internal structures change with bodyweight in horses. The aim of this study was to identify whether the size of the equine eye and its individual structures varied in a predictable manner with bodyweight, and to examine the reliability of computed tomography (CT) scans in the measurement of the equine eye. Ninety horses which had undergone CT examination of the head for non-ocular disease were included. All measurements of the eye were performed twice on all eyes by the same operator to quantify intra-operator agreement, and in 10 cases were also performed by a second operator to quantify inter-operator agreement...
February 4, 2019: Veterinary Ophthalmology
https://read.qxmd.com/read/30715802/reliability-of-the-supraorbital-ethmoid-cell-vs-keros-classification-in-predicting-the-course-of-the-anterior-ethmoid-artery
#4
Mingsi Li, Daniel D Sharbel, Brandon White, Sandra Y Tadros, Stilianos E Kountakis
BACKGROUND: We previously showed that the supraorbital ethmoid cell (SOEC) is a reliable landmark for identifying the anterior ethmoid artery (AEA). Recent data have suggested that Keros classification is also a dependable predictor. We aim to characterize the location of the AEA and its relation to the skull base in patients with and without SOEC using the Keros classification. METHODS: Retrospective radiographic evaluation of computed tomography (CT) scans of 76 patients (40 with SOEC, 36 without) was conducted...
February 4, 2019: International Forum of Allergy & Rhinology
https://read.qxmd.com/read/30712957/intraoperative-verification-of-resection-margins-of-maxillary-malignancies-by-cone-beam-computed-tomography
#5
O Ivashchenko, B Pouw, J K de Witt, E Koudounarakis, J Nijkamp, R L P van Veen, T J M Ruers, B M Karakullukcu
Resection of maxillary cancer often results in incomplete excision because of the tumour's proximity to important structures such as the orbit. To deal with this problem we prospectively investigated the feasibility of intraoperative imaging during maxillectomy to verify the planned resection margins. In total, six patients diagnosed with maxillary cancer listed for maxillectomy were included, irrespective of the histological type of tumour. Before resection, an accurate intended resection volume was delineated on diagnostic images...
January 31, 2019: British Journal of Oral & Maxillofacial Surgery
https://read.qxmd.com/read/30702650/computed-tomography-diagnostic-abilities-for-open-globe-injuries-in-pediatric-versus-adult-patients
#6
Seyhan Dikci, İsmail Okan Yildirim, Murat Firat, Penpe Gül Firat, Soner Demirel, Turgut Yilmaz, İlknur Tuncer, Oğuzhan Genç
OBJECTIVES: The aim of this study was to compare the role of computed tomography (CT) in the diagnosis of open-globe trauma and intraocular foreign body (IOFB) in pediatric and adult age groups. METHODS: Medical records of cases with open-globe trauma at Inonu University Hospital's Ophthalmology Emergency Service were retrospectively evaluated. Preoperative orbital CT images of the cases obtained at emergency services and their clinical and/or surgical findings were compared in pediatric and adult groups...
January 29, 2019: Pediatric Emergency Care
https://read.qxmd.com/read/30691358/lateral-rectus-dermoid-cyst-presenting-as-incomitant-esotropia
#7
Kirthi Koka, Atanu Barh, Bipasha Mukherjee
A 24-year-old male presented with decreased vision associated with inward deviation of his left eye since childhood and gradually progressive prominence of left eye for 6 months. Left eye examination revealed visual acuity of 2/60, convergent squint with restricted abduction and medial dystopia. Computed tomography (CT) scan showed a well-circumscribed mass with fat fluid levels temporal to the optic nerve indistinguishable from the left lateral rectus. Intraoperatively, a well-encapsulated mass was identified within the lateral rectus muscle which was confirmed as dermoid cyst on histopathology...
January 28, 2019: Orbit
https://read.qxmd.com/read/30681599/malignant-peripheral-nerve-sheath-tumor-of-the-nasal-cavity-and-nasopharynx-in-a-child-a-case-report
#8
Qian Li, Hongguang Pan, Lan Li, Juan Cao
RATIONALE: Malignant peripheral nerve sheath tumors (MPNSTs) are rare neoplasms with only a few reported cases affecting the nasal cavity, paranasal sinuses, and anterior skull base. PATIENT CONCERNS: A 12-year-old girl with a mass in her nose was admitted to the Department of Otorhinolaryngology of Shenzhen Children's Hospital. She had a 4-month history of progressive, unilateral right nasal obstruction, unilateral mucopurulent rhinorrhea, foul nasal odor, snoring, hyposmia, occasional epistaxis, and no headache, no facial numbness, without eye swelling and vision loss...
January 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30664602/18f-fdg-pet-ct-versus-conventional-investigations-for-cancer-screening-in-autoimmune-inflammatory-myopathy-in-the-era-of-novel-myopathy-classifications
#9
Peter G Maliha, Marie Hudson, Gad Abikhzer, Julia Singerman, Stephan Probst
BACKGROUND: To compare the performance of fluorine-18-fluorodeoxyglucose (F-FDG) PET/computed tomography (CT) and conventional tests for cancer screening in autoimmune inflammatory myopathy (AIM) patients. PATIENTS AND METHODS: We carried out a retrospective cohort study of AIM patients from one academic center in Montreal, Canada, classified using myositis-specific antibodies, who underwent F-FDG PET/CT between April 2005 and February 2018 and were followed up on average 3...
January 18, 2019: Nuclear Medicine Communications
https://read.qxmd.com/read/30664556/a-comparison-of-endoscopic-reduction-for-medial-blowout-fractures-using-a-bioresorbable-panel-and-silastic-sheet
#10
Joo Yeon Kim, Tae Young Jung, Jae Hwan Kwon
BACKGROUND: The aim of the study was to compare the effectiveness of endoscopic endonasal reduction using a bioresorbable panel and silastic sheet packed with Merocel for blowout fractures of the medial orbital wall. DESIGN: Retrospective study. METHODS: The study group consisted of 147 patients who underwent endoscopic endonasal reduction of a blowout fracture of the medial orbital wall between January 2005 and December 2016. Fifty-seven fractures were repaired using a splint formed by a silastic sheet and Merocel (splint group), whereas 90 fractures were repaired using a bioresorbable panel for interposition (interposition group)...
January 17, 2019: Journal of Craniofacial Surgery
https://read.qxmd.com/read/30633017/clinical-utility-of-postoperative-computed-tomography-imaging-in-orbital-floor-fracture-management
#11
Ajay N Sharma, Ekaterina Tiourin, Derek A Banyard, Shonit N Sharma, Wendy K Y Ng
BACKGROUND: Surgical repair of orbital floor fractures aims to improve visual function and appearance. Postoperative care often involves computed tomography (CT) imaging in addition to physical examination. It has yet to be investigated whether postoperative CT imaging influences treatment of orbital floor fractures. METHODS: A retrospective chart review was conducted for all patients who underwent orbital floor fracture repair at University of California, Irvine, from 2008 to 2017...
January 9, 2019: Annals of Plastic Surgery
https://read.qxmd.com/read/30619977/nodular-fasciitis-a-rapidly-enlarging-destructive-periorbital-mass-in-an-infant
#12
R Tom Liu, Erika Henkelman, Oana Popescu, Vivian T Yin
Purpose: To review the clinical and histopathological features of nodular fasciitis, a rare benign periorbital tumor that mimics orbital malignancy, by presenting a case involving an infant with marked orbital wall erosion requiring repair. Observations: A 9-month-old boy developed a rapidly growing periorbital mass concerning for a soft tissue malignancy. Computerized tomography (CT) scans showed bony erosion of the lateral orbital wall. Incisional biopsy revealed nodular fasciitis...
March 2019: American Journal of Ophthalmology Case Reports
https://read.qxmd.com/read/30613095/unrecognized-intraorbital-wooden-foreign-body
#13
Young Ho Kim, Hyonsurk Kim, Eul-Sik Yoon
Intraorbital wooden foreign bodies may present difficulties in diagnosis due to their radiolucent nature. Delayed recognition and management can cause significant complications. We present a case report that demonstrates these problems and the sequela that can follow. A 56-year-old man presented with a 3-cm laceration in the right upper eyelid, sustained by a slipping accident. After computed tomography (CT) scanning and ophthalmology consultation, which revealed no fractures and suggested only pneumophthalmos, the wound was repaired by a plastic surgery resident...
December 2018: Archives of Craniofacial Surgery
https://read.qxmd.com/read/30601462/primary-orbital-leiomyosarcoma-in-an-adult-male
#14
Sonal S Chaugule, Anirudha Putambekar, Smita Gavade, Rahul Deshpande
A 71-year-old male presented with a history of noticing gradual painless progressive proptosis along with a pinkish mass seen on the outer aspect of his left eyeball. Orbital CT revealed a fairly defined homogenous lesion, abutting the left eyeball and involving the lateral orbit reaching almost till orbital apex. Histopathology analysis aided with immunohistochemistry after an incision biopsy was consistent with leiomyosarcoma. Positron emission tomography scan ruled out presence of any distant primary or metastatic tumor...
December 28, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30574275/removal-of-a-frontal-sinus-osteoma-and-reconstruction-by-a-custom-made-implant-with-neuronavigation-assistance
#15
Vincenzo Palazzolo, Anita Tronchet, Stefano Valsecchi, Silvio Bellocchi, Carlo Gervasoni, Stefano Spotti, Andrea Di Francesco, Luigi Colombo, Stefano Riccio, Paolo Ronchi
The authors report the surgical treatment of an extensive right frontal sinus osteoma assisted by neuronavigation and reconstruction by a hydroxyapatite custom-made implant. The patient presents with ptosis, hypoglobus, and proptosis of the right eye, without any visual impairment. Computed tomographic (CT) scan showed a very large bony mass involving right frontal sinus and displacing the orbital roof. A stereolithographic model-guided planning was carried out to obtain a practical simulation of the surgical operation and it was submitted to a new CT scan to acquire the reference point to realize the neuronavigation assistance, and to achieve the template to realize the hydroxyapatite custom-made implant...
December 2018: Craniomaxillofacial Trauma & Reconstruction
https://read.qxmd.com/read/30574272/new-algorithm-for-the-management-of-orbital-blowout-fracture-based-on-prospective-study
#16
Babak Alinasab, Karl-Johan Borstedt, Rebecka Rudström, Michael Ryott, Abdul Rashid Qureshi, Mats O Beckman, Pär Stjärne
Despite extensive debate and publications in the management of blowout fracture (BOF), there are still considerable differences in the surgeons' management of BOF due to a lack of reliable evidence-based studies. This article aimed to evaluate which BOF patients require surgical treatment due to functional and/or cosmetic deformities; evaluate which computed tomography (CT) scan findings predict these problems; and provide an algorithm in the management of BOF. Seventy-nine patients with BOF were treated conservatively and followed up prospectively regarding functional and cosmetic deformities for at least 1 year...
December 2018: Craniomaxillofacial Trauma & Reconstruction
https://read.qxmd.com/read/30567222/choroidal-melanoma-masquerading-as-orbital-cellulitis
#17
Pallavi Singh, Sagnik Sen, Mousumi Banerjee, Rachna Meel
Orbital cellulitis is the most common subset of orbital inflammatory disease. We describe a patient with necrotic choroidal melanoma who presented with orbital cellulitis. MRI revealed a mass lesion suggesting intraocular melanoma with no extrascleral extension. There was no metastasis on positron emission tomography-CT scan. Enucleation with orbital implant was performed. Histopathological analysis of the specimen revealed intraocular necrotic melanoma with very few recognisable melanoma cells. The necrotic subtype is more commonly associated with extrascleral extension, distant metastasis and poorer prognosis than other melanoma types...
December 9, 2018: BMJ Case Reports
https://read.qxmd.com/read/30560104/a-rare-penetrating-trauma-of-both-orbit-and-nasal-cavity
#18
Mohammad-Waheed El-Anwar
Introduction: Diagnosis of orbital foreign body (FB) penetration is usually obvious when part of the FB is still attached at the entry wound (1). However, the depth and course of the FB in this case was not visible. Case Report: A 5-year old female presented with a pencil penetrating the left orbit. A computed tomography (CT) scan showed that the pencil penetrated the left orbit (extraseptal) through the lacrimal bone to the left nasal cavity, then perforated the nasal septum, crossing the right nasal cavity...
November 2018: Iranian Journal of Otorhinolaryngology
https://read.qxmd.com/read/30550499/bony-orbital-volume-expansion-in-thyroid-eye-disease
#19
Shoaib Ugradar, Robert A Goldberg, Daniel B Rootman
PURPOSE: To quantify changes to the bony orbital volume (BOV) in patients with thyroid eye disease (TED) relative to normal controls. METHODS: In this case-control study, all patients affected with TED seen over a 2-year period were screened for study entry. Eligible participants were adults with clinical evidence of TED and CT scans of their orbits obtained during the course of their routine care. Exclusion criteria included the history of decompression surgery and/or medical or other ophthalmic conditions that could alter the orbital anatomy...
December 7, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30550442/autologous-fat-injection-for-the-correction-of-facial-depression-resulting-from-silent-sinus-syndrome
#20
Byeong Woo Lim, Joo Hyun Jung, Seon Tae Kim, Dong Hyun Kim, Jung Woo Park, Heung Eog Cha, Il Gyu Kang
The case of a 59-year-old woman who underwent endoscopic sinus surgery for right maxillary sinusitis 5 years before visiting our otorhinolaryngologic department complaining of right-sided facial depression was described in this study. Computed tomography (CT) scans revealed right facial depression and retraction of the orbital floor due to a hypoplastic right maxillary sinus. Symptoms and CT findings corresponded with silent sinus syndrome. Facial depression is a rare symptom in silent sinus syndrome and is well corrected by autologous fat transfer...
December 13, 2018: Journal of Craniofacial Surgery
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