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https://www.readbyqxmd.com/read/28102813/intramedullary-amputation-neuroma-a-case-report-and-review-of-the-literature
#1
Laura Stone McGuire, Mandana Behbahini, Sumit Das, David Loeffler, Peter Burger, Herbert Engelhard, Tibor Valyi-Nagy, Ankit Mehta
BACKGROUND AND IMPORTANCE: Amputation neuromas consist of non-neoplastic collections of myelinated axons and Schwann cells and typically arise in injured peripheral nerves. Rarely, however, neuromas occur within the spinal cord. Intramedullary amputation neuromas have been described both with and without a history of trauma within the peripheral nervous system. We report a rare case of an isolated intramedullary spinal cord amputation neuroma. CLINICAL PRESENTATION: This 43-year-old man presented with progressive and severe gait deterioration for ~ 7 years...
January 19, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28092337/anatomical-basis-and-clinical-application-of-synovial-flaps-in-the-wrist-and-distal-forearm
#2
David L Colen, Jiun-Ting Yeh, Lawrence B Colen
Neuropathic symptoms after median nerve repair at the wrist or secondary to refractory carpal tunnel syndrome may become debilitating. These symptoms develop due to perineural adhesions, intraneural fibrosis and fixation of the nerve to the transverse carpal ligament after surgery and often require neurolysis. Interposition of vascularized soft tissue over the median nerve at the time of neurolysis prevents recurrence of such adhesions. The synovial flap, fashioned from the synovial lining of the flexor tendon sheath, is an ideal tissue for this purpose...
January 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28087044/homogeneous-white-patch-in-dermoscopy-of-solitary-circumscribed-neuroma
#3
Elisabeth Gómez Moyano, María Ayala Blanca, Leandro Martínez Pilar, Antonio Ojeda Martos, Maria Dolores Fernandez Ballesteros, Andres Sanz Trelles
No abstract text is available yet for this article.
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28081030/ultrasound-findings-of-young-and-traumatic-amputees-with-lower-extremity-residual-limb-pain-in-turkey
#4
Koray Aydemir, Yasin Demir, Ümüt Güzelküçük, Kutay Tezel, Bilge Yilmaz
OBJECTIVE: The current study was designed to document clinical and ultrasound (US) findings of patients with residual limb pain (RLP) after amputation and to investigate the relationship between these findings. MATERIALS AND METHODS: A chart review was performed to identify demographic and clinical data including the age (current and at the time of injury), time since amputation, gender, reason for amputation, affected limb number, side and level of limb loss, and ultrasonographic findings of young and traumatic amputees with RLP...
January 9, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28078568/rediagnosing-one-of-smith-s-patients-john-mccann-with-neuromas-tumours-1849
#5
Martino Ruggieri, Andrea D Praticò, Rosario Caltabiano, Agata Polizzi
In 1849, the Irish Professor of Surgery, Sir Robert William Smith, by publishing his "Treatise on the Pathology, Diagnosis and Treatment of Neuroma", collected six previous examples of "general development of neuromatous tumours" and reported three further cases (two personal and one referred) of what is nowadays known as neurofibromatosis. Among these latter cases, there was a 35-year-old cattle-driver, John McCann, who was first admitted at hospital in 1840 because of a large tumour on the right side of his neck thought to be malignant (and a second tumour sublingually) but not operated...
January 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28054138/-ultrasound-guided-interventions-on-the-peripheral-nervous-system
#6
A Loizides, L Gruber, S Peer, M Plaikner, H Gruber
CLINICAL/METHODICAL ISSUE: Up to the advent of high-resolution ultrasound, interventions on the peripheral nervous system, including local anesthesia and pain treatment were performed without visual guidance, which in some cases led to treatment failure or local tissue and nerve damage. METHODICAL INNOVATIONS: Progress in the field of ultrasound has enabled the functional visualization, anesthesia and anti-inflammatory or neurolytic treatment of many peripheral nerves, such as the brachial plexus, nerves of the upper and lower extremities and various nerves of the trunk...
January 4, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28048547/we-ab-209-06-dynamic-collimator-trajectory-algorithm-for-use-in-vmat-treatment-deliveries
#7
L MacDonald, C Thomas, A Syme
PURPOSE: To develop advanced dynamic collimator positioning algorithms for optimal beam's-eye-view (BEV) fitting of targets in VMAT procedures, including multiple metastases stereotactic radiosurgery procedures. METHODS: A trajectory algorithm was developed, which can dynamically modify the angle of the collimator as a function of VMAT control point to provide optimized collimation of target volume(s). Central to this algorithm is a concept denoted "whitespace", defined as area within the jaw-defined BEV field, outside of the PTV, and not shielded by the MLC when fit to the PTV...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047111/su-f-t-611-critical-analysis-and-efficacy-of-linac-based-beam-modulator-and-cyberknife-treatment-plans-for-acoustic-neuroma-schwannoma
#8
Karrthick Kp, T Kataria, R Thiyagarajan, T Selvan, A Abhishek
PURPOSE: To study the critical analysis and efficacy of Linac and Cyberknife (CK) treatment plans for acoustic neuroma/schwannoma. METHODS: Twelve of acoustic neuroma/schwannoma patients were taken for these study that. Treatment plans were generated in Multiplan treatment planning system (TPS) for CK using 5,7.5 and 10mm diameter collimators. Target volumes were in the range of 0.280 cc to 9.256 cc. Prescription dose (Rx) ranges from 1150cGy to 1950cGy delivered over 1 to 3 Fractions...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046447/su-f-t-612-investigation-of-acoustic-neuroma-planning-for-stereotactic-radiosurgery-utilizing-linac-based-cone-collimators
#9
C Yeboah, M Ruschin, Y Lee, A Sarfehnia, B Chugh, S Myrehaug, M Tsao, H Soliman, A Sahgal
PURPOSE: To assess the feasibility of designing clinically-acceptable stereotactic radiosurgery (SRS) plans utilizing linac-based cone collimators for patients presenting with acoustic neuroma. METHODS: Five acoustic neuroma patients with gross tumour volumes (GTVs) of sizes from 1.3 to 2.7 cc were studied. The cranial-caudal extent of the GTVs range from 1.1 to 1.7 cm whereas the largest cross-sectional extent of the lesions varied from 2.0 to 2.4 cm. No PTV margin was added...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045824/neuropathic-pain-due-to-iatrogenic-lingual-nerve-lesion-nerve-grafting-to-reduce-otherwise-untreatable-pain
#10
Jop P Verweij, Kira S van Hof, Martijn J A Malessy, Richard van Merkesteyn
Iatrogenic lingual nerve lesion is a well-known and unfortunate complication after mandibular third molar removal. Occasionally, the nerve injury can cause severe neuropathic pain.Here, the authors present the history of 2 patients with lingual nerve injury due to mandibular third molar removal, and with severe neuropathic pain in the craniomandibular region. Pharmacotherapy and physiotherapy did not reduce the pain, and ultimately, the lingual nerve was surgically explored. Scar tissue and a lingual nerve neuroma were observed and resected in both patients...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28044324/overlap-guided-fixed-patient-support-positioning-optimization-for-cranial-srt
#11
R Lee MacDonald, James L Robar, Christopher G Thomas
PURPOSE: To investigate potential dosimetric improvements through the optimization of fixed-couch rotational position in cranial cancer stereotactic treatments. METHODS: Using previously delivered cranial stereotactic radiotherapy plans treated at the Nova Scotia Health Authority (NSHA), we have redesigned the treatment arrangement to find the optimal couch rotation positions based on the reduction of overlap between organs-at-risk of exposure (OARs) and target volume (PTV)...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28041753/modified-reversed-superficial-peroneal-artery-flap-in-the-reconstruction-of-ankle-and-foot-defects-following-severe-burns-or-trauma
#12
Shi-Ji Li, Hao Cheng, Xu Fang, Jian-Yang Xu, Fei Wang, Sheng Liu, Xu-Lin Chen, Xiong-Wen Lv
OBJECTIVE: Challenges persist in the reconstruction of the ankle and the foot with exposed tendons, joints, and bones as a result of severe burns and trauma. In flap elevation involving the sensitive superficial nerve, the local nerve was always sacrificed to obtain an anesthetic donor site; however, such a procedure introduced the possibility of painful neuromas. In this study, we present a desired clinical application of a modified reversed superficial peroneal artery flap, in which the superficial peroneal nerve is preserved...
December 29, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28035780/ultrasound-guided-cryoablation-of-a-traumatic-hip-disarticulation-neuroma
#13
Ryan R Ramsook, David Spinner
OBJECTIVE: Traumatic amputation at the pelvic level is a rare procedure with few studies addressing long-term complications. Painful neuroma formation may form at the site of nerve transection and cause significant impairments in daily living. Ultrasound-guided cryoablation therapy has grown in popularity and should be considered in patients with painful neuromas. This is a case report of complete pain relief in a patient with rare traumatic hip disarticulation with neuroma formation, treated with ultrasound-guided cryoablation...
November 7, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28030965/is-histopathological-analysis-of-interdigital-morton-s-neuroma-necessary
#14
Ravi Kanth Mallina, Khalid Al-Dadah, Kirtan Patel, Pal Ramesh
BACKGROUND: Interdigital neuroma (IN), otherwise known as Morton's neuroma, is a common cause of metatarsalgia presenting to the elective foot and ankle clinic. Surgical excision of the IN in patients who fail to respond to nonoperative measures is considered to be the gold standard of care in many centers. The Royal College of Pathologists UK recommend that all excised interdigital Morton's neuromas are sent for formal histopathological analysis. We present a study correlating clinical and radiological diagnosis with histopathologic appearances of IN following surgical excision, and question if routine histopathological analysis is warranted...
December 1, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28005807/suspected-acoustic-neuroma-demyelinating-lesions
#15
Xiuming Zhou, Xiang Wang, Xiejun Zhang, Qiang Wu, Guodong Huang, Weiping Li
Demyelinating lesions were recognized as a kind of rare central nervous system demyelinating lesion. The diagnosis and differential diagnosis of demyelinating lesions is difficult. Once the diagnosis was delayed or incorrect, it will make a great impact on patients.Demyelinating lesions often involved in young and middle-aged, but this patient was the aged, which is rare.
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28003923/interdigital-neuroma-in-the-second-intermetatarsal-space-associated-with-metatarsophalangeal-joint-instability
#16
Takumi Matsumoto, Song Ho Chang, Naohiro Izawa, Yohei Ohshiro, Sakae Tanaka
The entrapment theory is the most commonly accepted theory concerning the development of interdigital neuroma; it incriminates the deep transverse metatarsal ligament as the major causative factor of the condition. This report presents a patient with interdigital neuroma in the second intermetatarsal space, which was strongly suspected to be caused by the metatarsophalangeal joint instability due to plantar plate injury. Surgical intervention revealed that the neuroma was located more distally and dorsally than the deep transverse metatarsal ligament and was pinched between the adjacent metatarsal heads, suggesting the involvement of the metatarsophalangeal joint instability and chronic trauma as etiologies in this case...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28002867/update-on-ultrasound-guided-interventional-procedures-on-peripheral-nerves
#17
Alberto Tagliafico, Bianca Bignotti, Carlo Martinoli
This article is a practical review update on ultrasound (US)-guided interventional procedures on peripheral nerves. Technical considerations, biopsy techniques, and some examples of injections are described. US is considered a safe imaging guidance for interventional procedures, due to its high spatial resolution and the possibility to image the needle and inject drugs in real time. US-guided injections could be considered a diagnostic and therapeutic option in the most common neuropathy, before or as an alternative to surgery...
November 2016: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/27999504/neurectomy-outcomes-in-patients-with-morton-neuroma-comparison-of-plantar-vs-dorsal-approaches
#18
Alexander Habashy, Gonzalo Sumarriva, Robert J Treuting
BACKGROUND: Morton neuroma is a compressive neuropathy of the plantar digital nerve. Several surgical approaches have been used to treat painful Morton neuroma, with each approach having distinct advantages and disadvantages. For this study, we used validated outcome assessment tools to retrospectively compare patient satisfaction with 2 approaches. METHODS: The medical records and survey responses of 37 patients with 42 neuromas were evaluated with respect to outcomes and patient satisfaction after neurectomies performed through either a plantar or dorsal surgical approach by one Ochsner Clinic Foundation attending physician...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27994400/in-vivo-confocal-microscopic-architecture-of-corneal-nerves-in-a-case-of-multiple-endocrine-neoplasia-type-2b
#19
Chintan Malhotra, Arun Kumar Jain, Bikram Thapa, Sabin Sahu
A detailed ocular examination and in vivo confocal microscopy (IVCM) using the Heidelberg retinal tomograph 3 with Rostock cornea module were performed in a patient with multiple endocrine neoplasia (MEN) 2b syndrome. Ocular findings included ptosis secondary to thickening of the lid margins, subconjunctival and perilimbal neuromas, and prominent corneal nerves extending up to the pupillary area. IVCM demonstrated structural alterations of both the main nerve trunks and the smaller branches. The main nerve trunks were grossly thickened while the smaller fibers were present in an intertwining manner in the anterior stroma...
October 2016: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/27991438/limitations-of-analytical-dose-calculations-for-small-field-proton-radiosurgery
#20
Changran Geng, Juliane Daartz, Kimberley Lam-Tin-Cheung, Marc Bussiere, Helen A Shih, Harald Paganetti, Jan Schuemann
The purpose of the work was to evaluate the dosimetric uncertainties of an analytical dose calculation engine and the impact on treatment plans using small fields in intracranial proton stereotactic radiosurgery (PSRS) for a gantry based double scattering system. 50 patients were evaluated including 10 patients for each of 5 diagnostic indications of: arteriovenous malformation (AVM), acoustic neuroma (AN), meningioma (MGM), metastasis (METS), and pituitary adenoma (PIT). Treatment plans followed standard prescription and optimization procedures for PSRS...
January 7, 2017: Physics in Medicine and Biology
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