Isolated trapezoid fracture: four cases of a rare fracture on MRI.

Isolated trapezoid fractures have been rarely reported in the literature and are occult on routine radiography. Previously described cases have utilized computed tomography (CT) to make this diagnosis; however, magnetic resonance imaging (MRI) is better for soft tissue evaluation and can detect fractures which may be occult on CT. We report 4 cases of isolated trapezoid fractures diagnosed by MRI in 4 males after remote trauma, ages ranging from 19 to 62. In each case, initial work-up with radiography, and one case with CT, was negative for a fracture but an MRI was ultimately obtained due to high clinical suspicion, resulting in the diagnosis of an isolated trapezoid fracture. Based on literature review, these are the first cases of isolated trapezoid fracture diagnosed by MRI. MRI offers several advantages over CT and is more valuable in cases of suspected occult fracture, given the ability to evaluate soft tissue and ligamentous injuries.

Study protocol: A multisite trial of Work-Related Cognitive behavioral therapy for unemployed persons with social anxiety.

This paper provides a methodological description of a multi-site, randomized controlled trial (RCT) of a cognitive-behavioral intervention for enhancing employment success among unemployed persons whose employment efforts have been undermined by social anxiety disorder (SAD). SAD is a common and impairing condition, with negative impacts on occupational functioning. In response to these documented employment-related impairments, in a previous project, we produced and tested an eight-session work-related group cognitive-behavioral therapy provided alongside vocational services as usual (WCBT + VSAU). WCBT is delivered by vocational service professionals and is designed in a context and style that overcomes accessibility and stigma-related obstacles with special focus on employment-related targets. Our previous project found that WCBT + VSAU significantly improved social anxiety, depression, and a range of employment-related outcomes compared to a control group of socially anxious job-seekers who received vocational services as usual without WCBT (VSAU-alone). Participants in this study were all homeless, primarily African American job-seekers with high levels of psychiatric comorbidity and limited education and employment histories. The present, two-region study addresses whether WCBT + VSAU enhances job placement, job retention and mental health outcomes in a larger sample assessed over an extended follow-up period. In addition, this trial evaluates whether the effects of WCBT + VSAU generalize to a new population of urban-based, racially diverse job-seekers with vocational and educational histories that differ from our original sample. This study also investigates the system-effects of WCBT + VSAU in a new site that will be informative for broad implementation of WCBT + VSAU. Finally, this project involves a refined, technology-assisted form of WCBT + VSAU designed to be delivered more easily by vocational services professionals.

MRI findings in the subchondral bone marrow: a discussion of conditions including transient osteoporosis, transient bone marrow edema syndrome, SONK, and shifting bone marrow edema of the knee.

Bone marrow edema signal can be seen in many settings ranging from trauma and arthritis to less common conditions including transient osteoporosis, transient bone marrow edema syndrome, true osteonecrosis, spontaneous osteonecrosis, and shifting bone marrow edema. Terms such as spontaneous osteonecrosis of the knee (SONK) appear frequently in the radiology and orthopedics literature but are rarely described on true, histologic basis. This article reviews the less frequently encountered and less well understood entities and explores their potential pathophysiologies and significance.

Cortical lesions of the tibia: characteristic appearances at conventional radiography.

Lesions that involve the cortex of the tibia are fairly common in radiology practice. However, the number of diseases that involve the tibial cortex is great, and it can be difficult to arrive at a limited differential diagnosis from radiographic findings. Categorization of lesions of the tibia into those that cause cortical destruction and those that cause cortical proliferation can help narrow the broad differential diagnosis. Lesions that cause cortical destruction include nonossifying fibroma, fibrous dysplasia, osteofibrous dysplasia, aneurysmal bone cyst, giant cell tumor, eosinophilic granuloma, Ewing sarcoma, neurofibromatosis, adamantinoma, osteoblastoma, chondromyxoid fibroma, hemangioendothelioma, renal cell metastatic disease, hemangioma, and hemangiopericytoma. Lesions that cause cortical proliferation include osteochondroma, stress fracture, osteoid osteoma, periosteal osteogenic sarcoma, diaphyseal dysplasia, venous stasis, cellulitis, chronic osteomyelitis, osteopathia striatum, and melorheostosis. Conventional radiography along with clinical and pathologic data can aid in diagnosis of the wide variety of disease processes that involve the tibial cortex.