Abstract:
OBJECTIVE:To investigate the accuracy of plain radiographs, and the effect of observer experience, in the assessment of ankle effusions compared with an MRI gold standard. DESIGN AND PATIENTS:Anteroposterior (AP) and lateral radiographs of the ankle of 39 patients were evaluated by four observers, ranging from first-year radiology resident to an attending musculoskeletal radiologist. Observers independently graded the lateral films from 0 to 5 at one sitting, and the AP films at a second sitting. All patients had an MRI scan performed within 48 h of the ankle radiographs, on which distention of the anterior recess was used as the gold standard for an effusion. RESULTS:Lateral radiographs had variable sensitivity (range 17-63%), but specificity (81-94%) was usually high. AP radiographs similarly had variable sensitivity (15-55%), but their specificity (63-75%) was surprisingly good. Overall, sensitivity and specificity were inversely proportional and more related to individual variability than experience (observer 1, 53% and 81%; observer 2, 17% and 94%; observer 3, 63% and 88%; observer 4, 21% and 94%); however, individual sensitivity and specificity were consistent between AP and lateral radiographs (observer 1, 53% and 81%, 50% and 65%; observer 2, 17% and 94%, 15% and 75%), observer 3, 63% and 88%, 55% and 63%; observer 4, 21% and 94%, 25% and 70%). Positive predictive value was reasonably good for lateral radiographs (range 75-86%); however, it was fairly low for AP radiographs (38-61%). Negative predictive value was low for both lateral (50-67%) and AP (47-58%) radiographs. Accuracy was low for both AP (45-59%) and lateral (53-74%) radiographs. As expected, individual accuracy was consistently higher for lateral radiographs than for AP radiographs (observer 1, 65% and 58%; observer 2, 53% and 45%; observer 3, 74% and 59%; observer 4, 54% and 48%). CONCLUSIONS:For the diagnosis of ankle effusions the overall accuracy of radiographs was surprisingly low. Quite surprisingly, the diagnosis of effusions on AP radiographs was not much poorer than on lateral films. Results, however, varied little with experience and training.
journal_name
Skeletal Radioljournal_title
Skeletal radiologyauthors
Karchevsky M,Schweitzer MEdoi
10.1007/s00256-004-0833-3keywords:
subject
Has Abstractpub_date
2004-12-01 00:00:00pages
719-24issue
12eissn
0364-2348issn
1432-2161journal_volume
33pub_type
杂志文章abstract:OBJECTIVE:The objective was to retrospectively record the CT and MRI features and healing patterns of acute, incomplete stress fractures of the pars interarticularis. METHOD:The CT scans of 156 adolescents referred with suspected pars interarticularis stress fractures were reviewed. Patients with incomplete (grade 2) ...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-008-0449-0
更新日期:2008-05-01 00:00:00
abstract::Observation of a case of progressive bilateral parietal thinning within a period of 14 years induced us to study skull films of 3,636 consecutive patients. Parietal thinning was found in 86 patients (2.37%). It was more common in women, with a sex ratio of 1:1.9. The mean age of the females was 72 years, and that of t...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00361365
更新日期:1982-01-01 00:00:00
abstract:OBJECTIVE:To define the possible mechanism of posture-dependent symptoms of spinal stenosis by measuring the effect of low back posture on morphologic changes of the intervertebral discs and spinal canal in healthy young people. DESIGN:Twenty healthy young volunteers underwent magnetic resonance imaging while supine w...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s002560050596
更新日期:2000-04-01 00:00:00
abstract:BACKGROUND:Preoperative diffusion-weighted MRI (DW-MRI) has been described as an efficient method to differentiate good and poor responders to chemotherapy in osteosarcoma patients. A DW-MRI performed earlier during treatment could be helpful in monitoring chemotherapy. OBJECTIVE:To assess the accuracy of DW-MRI in ev...
journal_title:Skeletal radiology
pub_type: 临床试验,杂志文章
doi:10.1007/s00256-012-1360-2
更新日期:2012-09-01 00:00:00
abstract::We believe MR findings to be quite characteristic of primary lymphedema. We believe that MR has a role in diagnosing lymphedema and its complications. ...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00204617
更新日期:1994-08-01 00:00:00
abstract::Two children presented with painful lytic lesions in the lower extremity. The lesions were located within cortical bone, and surrounded by sclerosis of the medullary bone and periosteal new bone formation. The lesions were painful, and nonsteroidal anti-inflammatory agents relieved the pain. CT-guided core biopsies we...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-002-0501-4
更新日期:2002-10-01 00:00:00
abstract::Primary neoplastic vascular lesions of bone are rare, and include haemangiomas, haemangioendothelioma, epithelioid haemangioendothelioma and angiosarcoma. These lesions may be multicentric, and when they involve bone are typically intraosseous and lytic. Radiological findings are not always specific. We report a case ...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-005-0060-6
更新日期:2006-10-01 00:00:00
abstract::A 56-year-old man presented with a painless prepatellar mass of the left knee. MR images demonstrated a large, well-defined mass with heterogeneous intermediate signal intensity on T1- and proton density-weighted images. Mild, heterogeneous enhancement was noted after the intravenous administration of gadolinium. Diag...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-016-2494-4
更新日期:2016-12-01 00:00:00
abstract::A variety of skeletal characteristics pertaining to the bony pelvis have, over the years, been of assistance as forensic markers, but the importance of the nutrient groove of the ilium has not been appreciated. During aircraft accident investigations we compared premortem anteroposterior abdominal radiographs with pos...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00197922
更新日期:1990-01-01 00:00:00
abstract:OBJECTIVE:The objective was to study the natural course of Modic type 1 change (M1) in relation to lumbar disc degeneration. MATERIALS AND METHODS:Twenty-four chronic low back pain (LBP) patients with M1 on lumbar spine were selected from 1,015 patients with magnetic resonance imaging from a follow-up study lasting fo...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-008-0611-8
更新日期:2009-03-01 00:00:00
abstract::The appearance on magnetic resonance imaging (MRI) of 16 cases of pathologically proven eosinophilic granuloma were reviewed retrospectively and correlated with the radiographic appearance of the lesion. The most common MR appearance (ten cases) was a focal lesion, surrounded by an extensive, ill-defined bone marrow a...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00206144
更新日期:1993-01-01 00:00:00
abstract::Primary synovial chondromatosis is a relatively uncommon condition. Synovial chondrosarcoma is considered to be very rare and it is not always clear whether the sarcoma develops by malignant transformation of synovial chondromatosis or whether it arises de novo. Differentiation of the two conditions on clinical and ra...
journal_title:Skeletal radiology
pub_type: 杂志文章,评审
doi:10.1007/s002560050312
更新日期:1997-11-01 00:00:00
abstract::A 12-year-old female suffering from osteogenesis imperfecta (OI) was treated with 3-amino-1-hydroxypropylidene-1,1-bisphosphonate (APD) orally, 250 mg daily, for periods of 2 months, alternating with periods of 2 months of abstinence. Total duration of therapy was 1 year. Radiological and clinical improvement was stri...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00350961
更新日期:1987-01-01 00:00:00
abstract::Peripheral nerves often traverse confined fibro-osseous and fibro-muscular tunnels in the extremities, where they are particularly vulnerable to entrapment and compressive neuropathy. This gives rise to various tunnel syndromes, characterized by distinct patterns of muscular weakness and sensory deficits. This article...
journal_title:Skeletal radiology
pub_type: 杂志文章,评审
doi:10.1007/s00256-011-1143-1
更新日期:2012-01-01 00:00:00
abstract::Hypertrophy of the talar beak is the product of traction of the insertion of the joint capsule. It is commonly seen in athletes and may be entirely asymptomatic despite its size. It should not be mistaken for spurring of the articular margin of the talus which is seen in tarsal coalition. ...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00350593
更新日期:1979-04-10 00:00:00
abstract::Primary liposarcoma of bone is exceedingly rare. We report a case of primary pleomorphic liposarcoma in the humerus of a 38-year-old female. Radiographs demonstrated an expansile and osteolytic lesion extending from the head to the proximal part of the shaft in the right humerus. MR study showed a defined lesion in th...
journal_title:Skeletal radiology
pub_type: 杂志文章,评审
doi:10.1007/s00256-005-0018-8
更新日期:2006-07-01 00:00:00
abstract::Primary rhabdomyosarcoma of the bone is an extremely rare condition with few examples reported in the literature. We present the case of a 34-year-old male who presented with a lesion in the distal femur with initial imaging features consistent with Ewing sarcoma. Histologically, the lesion consisted of atypical pleom...
journal_title:Skeletal radiology
pub_type: 杂志文章,评审
doi:10.1007/s00256-016-2430-7
更新日期:2016-10-01 00:00:00
abstract:OBJECTIVE:To highlight focal bone abnormality in the cuboid due to tendinopathy of the adjacent peroneus longus. DESIGN:A retrospective review was carried out of the relevant clinical and imaging features. PATIENTS:Two male and two female patients were studied, mean age 51.5 years (range 32-67 years), referred with f...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-005-0907-x
更新日期:2005-07-01 00:00:00
abstract::Radiologic examination of 43 patients revealed 47 lesions of a type which we have termed hemispherical spondylosclerosis (HSS). This term describes and includes the following essential and possible radiologic findings of the disease: 1) Hemispherical (or "dome-" or "helmet-shaped") sclerosis of the vertebra above the ...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00347373
更新日期:1981-01-01 00:00:00
abstract::Scoliosis is defined as a lateral deviation of the spine from the normal plumb line. Commonly, there is a rotational component and deviation also in the sagittal plane (kyphosis or hyperlordosis). When scoliosis presents in adults, it is often painful. In contrast, back pain in a child is considered rare, and serious ...
journal_title:Skeletal radiology
pub_type: 杂志文章,评审
doi:10.1007/s00256-008-0517-5
更新日期:2009-03-01 00:00:00
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journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-017-2568-y
更新日期:2017-04-01 00:00:00
abstract::Sarcoidosis is a systemic disease that histologically typically shows non-caseating granulomas. The most common radiologic finding is hilar and mediastinal adenopathy. Patients with widely disseminated disease may show involvement of the peripheral appendicular skeleton in 1-13% of such cases. A primary skeletal prese...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-008-0479-7
更新日期:2008-08-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to evaluate the efficacy and complications of CT-guided radiofrequency ablation (RFA) of spinal osteoid osteoma (OO). MATERIALS AND METHODS:Between 2002 and 2012, a total of 61 patients (46 male and 15 female, mean age 26.4 ± 12.7 years) were subjected to RFA for spinal OO. The diag...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-017-2662-1
更新日期:2017-08-01 00:00:00
abstract::The clinical, radiological and pathological features of a case of lipofibromatosis, a rare paediatric soft tissue neoplasm, are described. The tumour involved the foot of a male infant and was present at birth. Magnetic resonance imaging showed a lipomatous mass, with splaying of muscles of the sole by lobules of fat....
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-008-0458-z
更新日期:2008-06-01 00:00:00
abstract:OBJECTIVE:To evaluate the sonographic findings of the rotator interval in patients with clinical evidence of adhesive capsulitis immediately prior to arthroscopy. DESIGN AND PATIENTS:We prospectively compared 30 patients with clinically diagnosed adhesive capsulitis (20 females, 10 males, mean age 50 years) with a con...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-005-0957-0
更新日期:2005-09-01 00:00:00
abstract:OBJECTIVES:Management of patients with osteonecrosis of the hip remains controversial and challenging. Because the prognosis and treatment are determined in large part by the stage and extent of the disease, it is important to use a reliable and efficient method for evaluation and staging. The objective of this study w...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-013-1803-4
更新日期:2014-05-01 00:00:00
abstract:OBJECTIVE:MRI signal intensity of pediatric bone marrow can be difficult to interpret using conventional methods. Chemical shift imaging (CSI), which can quantitatively assess relative fat content, may improve the ability to accurately diagnose bone marrow abnormalities in children. METHODS:Consecutive pelvis and extr...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s00256-016-2403-x
更新日期:2016-09-01 00:00:00
abstract:OBJECTIVE:Since the thickness of cartilage is an important indicator of the status, progression and response to therapy of articular disorders, assessment of it is desirable. This study was undertaken to assess the accuracy, precision, and reliability of magnetic resonance (MR) measurements of articular cartilage. MET...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00941240
更新日期:1995-08-01 00:00:00
abstract::In a previous study we developed a model to assess first metatarsal pronation based on the position of the inferior tuberosity of its base and showed a significant relationship between first metatarsal pronation and the intermetatarsal angle (r = 0.69, p < 0.001). The present study was undertaken to correlate first me...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/BF00197458
更新日期:1994-04-01 00:00:00
abstract:OBJECTIVE:To determine the dosage of gadobenate dimeglumine (Gd-BOPTA) necessary for MRI of rheumatoid arthritis of the wrist. DESIGN AND PATIENTS:Seven wrists inflamed with rheumatoid arthritis were imaged using a dedicated 0.2-T MR unit. Four cumulative dosages of 0.0125, 0.025, 0.05 and 0.1 mmol/kg body weight (BW)...
journal_title:Skeletal radiology
pub_type: 杂志文章
doi:10.1007/s002560000294
更新日期:2001-01-01 00:00:00