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Skeletal Radiology

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https://www.readbyqxmd.com/read/29051967/clinical-efficacy-of-transforaminal-epidural-injection-for-management-of-zoster-associated-pain-a-retrospective-analysis
#1
Eung Don Kim, Ha Hyeon Bak, Dae Hyun Jo, Hue Jung Park
OBJECTIVES: Transforaminal epidural injection (TFEI) has superior accessibility to the dorsal root ganglion, which is an essential location of pain signaling in herpes zoster. However, the effectiveness of TFEI for herpes zoster patients has not previously been studied. We retrospectively analyzed the efficacy of TFEI for pain control and prevention of PHN in patients with acute and subacute herpes zoster. METHODS: Medical records of 137 patients who underwent TFEI for zoster-associated pain (ZAP) were reviewed...
October 19, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29038921/muscular-sarcoidosis-involving-the-chest-and-abdominal-walls-case-report-with-mr-imaging
#2
Seunghyun Lee, In Sook Lee, Jeongha Mok, You Seon Song, Kyung-Un Choi
Sarcoidosis is an inflammatory disorder that is characterized by the presence of noncaseating granulomas in tissues, involving many organs and tissues. Extra-pulmonary, especially muscular sarcoidosis is a rare condition. The most common location of the muscular sarcoidosis is known to be the proximal muscles of the extremities; however, there have been no cases of diffuse involvement of the chest and abdominal wall muscles. Here, we report a rare muscular sarcoidosis with infiltrative pattern in the chest and abdominal wall muscles and describe the MR imaging findings that were mistaken as lymphoma at initial diagnosis...
October 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29038920/stener-like-lesion-of-the-lateral-collateral-ligament-of-the-first-metatarsophalangeal-joint
#3
S Braspenningx, W Rezaie, P Simons
Displaced ulnar collateral ligament injuries of the metacarpophalangeal joint of the thumb, also known as Stener lesions, are a well-recognized clinical entity, requiring surgical intervention because of the trapped location of the torn lateral collateral ligament superficial to the adductor aponeurosis of the thumb. We report a similar lesion located at the first metatarsophalangeal joint, to our knowledge the first ever described in the literature. In our patient, magnetic resonance imaging showed a full-thickness tear of the lateral collateral ligament of the first metatarsophalangeal joint, as well as a full-thickness tear of the extensor hood, with dislocation of the proximal part of the ruptured lateral collateral ligament to a position superficial to the extensor hood...
October 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29027573/dose-reduction-for-fluoroscopically-guided-injections-phantom-simulation-and-patient-procedures
#4
C Y Chang, F J Simeone, M C DeLorenzo, W E Palmer, M A Bredella, A J Huang
OBJECTIVE: To demonstrate fluoroscopy dose reduction through both simulated injections on a phantom and patient injections. MATERIALS AND METHODS: Our study was IRB-approved and HIPAA-compliant. Simulation on a phantom was used to estimate effective dose, entrance dose, and organ doses for hip joint injections without and with dose minimization technique (DMT). Additionally, 1,094 joint, bursae, and tendon sheath injections performed by three operators in the same fluoroscopy suite were evaluated both before and after application of DMT...
October 13, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29027572/correction-to-highlights-of-the-annual-scientific-meeting-of-the-24th-congress-of-the-european-society-of-musculoskeletal-radiology-essr-2017
#5
Carmelo Messina, Luca Maria Sconfienza, Giuseppe Guglielmi
The original version of this article unfortunately contained mistakes. The name and affiliations of Luca Maria Sconfienza are already corrected on this article.
October 13, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29018907/mri-sport-specific-pulley-imaging
#6
Michael N Hoff, Todd D Greenberg
OBJECTIVE: We aim to create a novel MRI methodology that employs sport-specific stress views for imaging finger pulley injuries in the evaluation of post-operative healing effectiveness. The goal is to measure the bone to tendon distance (BTD), which is the current standard for determining pulley injuries. MATERIALS AND METHODS: The athlete was imaged in a crimp-grip stressed position to emulate sport-specific biomechanics. A Gradient Echo technique was modified to maximize the signal to noise ratio and minimize distortion near the bone and tendon, simplifying the determination of the BTD...
October 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28986658/multifocal-metastatic-chordoma-to-the-soft-tissues-of-the-fingertips-a-case-report-including-sonographic-features-and-a-review-of-the-literature
#7
Zachary Smith, Nicole Girard, Barry G Hansford
Chordoma is a rare, locally aggressive tumor which commonly metastasizes, most often to the lung, liver, and spine. In this case report, a 59-year-old male with history of sacral chordoma and pulmonary metastases presented to the emergency department with swelling and discoloration of multiple left fingertips. The initial radiographs led to a presumptive diagnosis of gout, which did not respond to medical therapy. An ultrasound demonstrated multiple solid masses with vascular hyperechoic septations which were subsequently biopsied and proven to be metastatic chordoma...
October 7, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28983764/effect-of-patient-age-on-accuracy-of-primary-mri-signs-of-long-head-of-biceps-tearing-and-instability-in-the-shoulder-an-mri-arthroscopy-correlation-study
#8
Camilo G Borrero, Joanna Costello, Marnie Bertolet, Dharmesh Vyas
OBJECTIVE: To determine the effect of patient age on the accuracy of primary MRI signs of long head of biceps (LHB) tendon tearing and instability in the shoulder using arthroscopy as a reference standard. MATERIALS AND METHODS: Subjects with MRI studies and subsequent arthroscopy documenting LHB tendon pathology were identified and organized into three age groups (18-40, 41-60, 61-87). Normal and tendinopathic tendons were labeled grade 0, partial tears grade 1 and full tears grade 2...
October 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28983679/safety-of-omitting-routine-bleeding-tests-prior-to-image-guided-musculoskeletal-core-needle-biopsy
#9
Yuri Shif, Justin W Kung, Colm J McMahon, Jennifer Ni Mhuircheartaigh, Yu Ching Lin, Megan E Anderson, Jim S Wu
PURPOSE: To evaluate the safety of withholding preprocedure international normalized ratio (INR) and platelet testing in patients undergoing musculoskeletal (MSK) core needle biopsy (CNB). MATERIAL AND METHODS: Initially, a retrospective review of 1,162 consecutive patients undergoing MSK CNB with preprocedural INR and platelet testing was performed. Clinical (age, gender, bleeding disorder, liver disease, anticoagulation use, INR > 2, platelet count <50,000/ul) and biopsy factors (imaging modality, lesion type, biopsy needle gauge, number biopsy samples) were tested for association with bleeding complications...
October 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28971244/an-uncommon-variant-of-the-essex-lopresti-injury
#10
Mohamed Ali Kedous, Ahmed Msakni, Wael Chebbi, Mourad Zaraa, Mondher Mbarek
The Essex-Lopresti injury is an extremely rare condition combining radial head or neck fracture, distal radio-ulnar joint dislocation and rupture of the interosseous membrane. However, there are rare or unusual varieties or associated injuries. We report a case of a 46-year-old woman with a posterior dislocation of the radio-humeral joint, a radial shaft fracture, and a distal radio-ulnar joint dislocation. She underwent open reduction and internal fixation of the radial shaft fracture followed by an immobilization by a long elbow splint in supination for 6 weeks...
October 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28963692/bilateral-multifocal-lower-extremity-localized-soft-tissue-amyloidomas-case-report-with-ultrasonographic-characterization
#11
Tanner C Clark, Bart Kimbrell, Nicole Girard, Barry G Hansford
Amyloidosis may be acquired or hereditary and consists of multiple disease processes characterized by the abnormal deposition of extracellular fibrillary protein aggregates. The presentation of amyloidosis is varied, ranging from an isolated, focal deposition to systemic disease. While systemic involvement is common, a rare entity known as amyloidoma or tumor amyloidosis may also occur. The 75-year-old female in this case presented with slowly growing multifocal bilateral lower extremity masses and was ultimately diagnosed with localized amyloidomas in the absence of chronic illness or systemic disease...
September 30, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28952012/comparison-of-a-fast-5-min-knee-mri-protocol-with-a-standard-knee-mri-protocol-a-multi-institutional-multi-reader-study
#12
Erin FitzGerald Alaia, Alex Benedick, Nancy A Obuchowski, Joshua M Polster, Luis S Beltran, Jean Schils, Elisabeth Garwood, Christopher J Burke, I-Yuan Joseph Chang, Soterios Gyftopoulos, Naveen Subhas
PURPOSE: To compare diagnostic performance of a 5-min knee MRI protocol to that of a standard knee MRI. MATERIALS AND METHODS: One hundred 3 T (100 patients, mean 38.8 years) and 50 1.5 T (46 patients, mean 46.4 years) MRIs, consisting of 5 fast, 2D multi-planar fast-spin-echo (FSE) sequences and five standard multiplanar FSE sequences, from two academic centers (1/2015-1/2016), were retrospectively reviewed by four musculoskeletal radiologists. Agreement between fast and standard (interprotocol agreement) and between standard (intraprotocol agreement) readings for meniscal, ligamentous, chondral, and bone pathology was compared for interchangeability...
September 26, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28944439/hyperintense-signal-alteration-in-the-suprapatellar-fat-pad-on-mri-is-associated-with-degeneration-of-the-patellofemoral-joint-over-48%C3%A2-months-data-from-the-osteoarthritis-initiative
#13
Benedikt J Schwaiger, John Mbapte Wamba, Alexandra S Gersing, Michael C Nevitt, Luca Facchetti, Charles E McCulloch, Thomas M Link
OBJECTIVE: To analyze associations of suprapatellar fat pad (SPFP) hyperintense signal alterations and mass effect with progression of patellofemoral osteoarthritis (OA) and clinical symptoms over 48 months. MATERIALS AND METHODS: Subjects from the Osteoarthritis Initiative (n = 426; 51.8 ± 3.8 years; 49.8% women) without radiographic tibiofemoral OA underwent 3T-MRI of their right knees and clinical evaluation using the Knee Injury and Osteoarthritis Outcome Score at baseline and at 48 months...
September 24, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28939978/society-of-skeletal-radiology-2017-annual-meeting-summary
#14
REVIEW
Michael G Fox, Laura W Bancroft
Peer-reviewed abstracts presented at the 2017 Society of Skeletal Radiology (SSR) Annual Meeting were reviewed following oral presentation. Topics felt to be of potential interest to musculoskeletal (MSK) investigators and practicing clinicians are highlighted in this compilation and analysis of the meeting. New concepts regarding MSK imaging and intervention, MSK protocols and techniques and quality improvement are included. ePoster highlights are also presented.
September 22, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28932962/reduction-of-artifacts-caused-by-orthopedic-hardware-in-the-spine-in-spectral-detector-ct-examinations-using-virtual-monoenergetic-image-reconstructions-and-metal-artifact-reduction-algorithms
#15
Nils Große Hokamp, V Neuhaus, N Abdullayev, K Laukamp, S Lennartz, A Mpotsaris, J Borggrefe
OBJECTIVE: Aim of this study was to assess the artifact reduction in patients with orthopedic hardware in the spine as provided by (1) metal-artifact-reduction algorithms (O-MAR) and (2) virtual monoenergetic images (MonoE) as provided by spectral detector CT (SDCT) compared to conventional iterative reconstruction (CI). METHODS: In all, 28 consecutive patients with orthopedic hardware in the spine who underwent SDCT-examinations were included. CI, O-MAR and MonoE (40-200 keV) images were reconstructed...
September 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28932921/primary-synovial-chondromatosis-of-the-subtalar-joint-case-report-and-review-of-the-literature
#16
J Derek Stensby, Michael G Fox, Michael S Kwon, Francisco J Caycedo, Asal Rahimi
Primary synovial chondromatosis is a rare benign condition of uncertain etiology manifested by synovial proliferation. In the radiology literature, there is only 1 prior case report of primary synovial chondromatosis involving the subtalar joint with only partial description of the imaging appearance. We present a 28-year-old female with primary synovial chondromatosis of the subtalar joint and conduct a literature review of the imaging features of primary synovial chondromatosis presenting in the feet.
September 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28932893/undifferentiated-pleomorphic-sarcoma-indolent-tail-like-recurrence-of-a-high-grade-tumor
#17
Justin S Alpert, Patrick Boland, Meera Hameed, David M Panicek
Recurrence of a soft tissue sarcoma typically manifests as a round or oval mass at imaging, and recurrent high-grade soft tissue sarcomas generally enlarge relatively rapidly. We present a case of high-grade undifferentiated pleomorphic sarcoma in the calf of a 48-year-old male that recurred as a thin, curvilinear "tail" of enhancing tissue at magnetic resonance imaging (MRI), with extremely indolent growth over a 7-year period. The unusual imaging finding of a slowly enlarging "tail" should not be dismissed as postoperative changes, even for a high-grade soft tissue sarcoma...
September 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28932885/highlights-of-the-annual-scientific-meeting-of-the-24th-congress-of-the-european-society-of-musculoskeletal-radiology-essr-2017
#18
REVIEW
Carmelo Messina, Luca Maria Sconfienza, Giuseppe Guglielmi
This paper summarizes the main aspects of the 24th Annual Scientific Meeting of the European Society of Musculoskeletal Radiology (ESSR), which was hosted in Bari (Italy) in June 2017.
September 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28921481/negative-magnetic-resonance-imaging-in-three-cases-of-anterior-tibial-cortex-stress-fractures
#19
Ralph Smith, M Moghal, J L Newton, N Jones, J Teh
Anterior mid-tibial cortex stress fractures (ATCSF) are uncommon and notoriously challenging to treat. They are termed high risk due to their predilection to prolonged recovery, nonunion and complete fracture. Early diagnosis is essential to avoid progression and reduce fracture complications. Imaging plays a key role in confirming the diagnosis. Magnetic resonance imaging (MRI) is accepted as the gold standard modality due to its high accuracy and nonionizing properties. This report describes three cases of ATCSFs in recreational athletes who had positive radiographic findings with no significant MRI changes...
September 18, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28914351/subfascial-fat-herniation-sonographic-features-of-back-mice
#20
Christin A Tiegs-Heiden, Naveen S Murthy, Katrina N Glazebrook, John A Skinner
Three adult patients are described with sonographic features of subfascial fat hernation. Each patient presented to the musculoskeletal ultrasound department at our institution for the evaluation of a palpable mass of the low back. Subfascial fat hernation, also known as back mice and fibro-fatty nodule, are an uncommon cause of a palpable mass in the low back or low back pain. They are small mobile subcutaneous nodules in a characteristic location near the posterior superior iliac spine. This entity has not been described in the radiology literature...
September 15, 2017: Skeletal Radiology
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