Background And Purpose: Evidence-based practice (EBP), which integrates clinical reasoning skills, research evidence, and patient preference, has become standard in curricula for health care professional programs. Students however perceive EBP as difficult and often irrelevant to clinical practice.
Methods: A problem-based learning (PBL) approach is trialled in an early stage module where EBP knowledge and skills are stated learning outcomes.
To explore final-year physiotherapy students' perceptions of primary health care practice to determine (1) aspects of their curriculum that support their learning, (2) deficiencies in their curriculum, and (3) areas that they believe should be changed to adequately equip them to make the transition from student to primary health care professional. Framework analysis methodology was used to analyze group opinion obtained using structured group feedback sessions. Sixty-eight final-year physiotherapy students from the four higher education institutions in Ireland participated.
View Article and Find Full Text PDFThe elevated level of CCNB1 indicates more aggressive cancer and poor prognosis. However, the factors that cause CCNB1 upregulation remain enigmatic. Herein, we identify USP22 as a CCNB1 interactor and discover that both USP22 and CCNB1 are dramatically elevated with a strong positive correlation in colon cancer tissues.
View Article and Find Full Text PDFProper expression of the dev operon is important for normal development of Myxococcus xanthus. When starved, these bacteria coordinate their gliding movements to build mounds that become fruiting bodies as some cells differentiate into spores. Mutations in the devTRS genes impair sporulation.
View Article and Find Full Text PDFAs experience is acquired, there is a constant evolution in both terminology and understanding of various relatively newly described tumors in the realm of dermatopathology. Several mesenchymal tumors of the lower extremity have undergone various changes in nomenclature, molecular discoveries, and histologic grading. Examples include hemosiderotic fibrohistiocytic lipomatous lesion/pleomorphic hyalinizing angiectatic tumor; superficial acral fibromyxoma; and myxoinflammatory fibroblastic sarcoma.
View Article and Find Full Text PDFThe aim of this study was to describe walking (stride) activity frequency and intensity in 428 children ages 2-15 years with a single accelerometer-based device. With comparison with published pedometer-determined data, the influence of leg length was examined. Decline in stride frequency and intensity throughout childhood increased with adjustment for leg length.
View Article and Find Full Text PDFArt interpretation is described as a clinical approach in assisting individuals to move toward ever higher levels of wellness. Using it with healthy as well as ill individuals prompts participants to attend to the connection between themselves and the larger world. Asking individuals in a group setting to look closely at art, to make a connection between what they see and their own life experiences, can help them give voice to emotional experiences that help them connect to one another within a community.
View Article and Find Full Text PDFA subset of melanocytic nevi share features with melanoma and nevi with architectural disorder but are biologically inert and to date do not appear to portend an increased risk for the development of malignancy. These benign nevi with certain atypical histologic features cluster among specific anatomic sites and are thus designated nevi with site-related atypia. We categorize these lesions into four main groups: acral, genital, special site and conjunctival, based on anatomy and relative prevalence of specific atypical histologic features.
View Article and Find Full Text PDFWe report a case of Brooke-Spiegler syndrome, a rare autosomal dominant disorder caused by mutations of the cylindromatosis gene (CYLD) tumor suppressor gene resulting in multiple cylindromas and trichoepitheliomas. Treatment of these patients can involve surgical excision, laser therapy, or topical applications of aspirin derivatives.
View Article and Find Full Text PDFCutaneous myoepithelial tumors are rare entities, with few reported malignant variants in the literature. The majority of these tumors are reported in the head and neck region of the adult population, with few examples in the literature arising in young patients. We present a case of myoepithelial carcinoma in a 13-year-old girl, with documented metastatic disease.
View Article and Find Full Text PDFAccording to most authors, dermatofibrosarcoma protuberans (DFSP) and giant cell fibroblastoma (GCF) represent the adult and juvenile forms, respectively, of the same disease entity, as evidenced by similar morphology, an identical chromosomal translocation, and CD34 positivity. It has been shown that DFSP and nuchal-type fibroma (NTF) (which is also CD34-positive) are related lesions, and that there might possibly be a continuum between the two. In addition, NTF exhibits CD99 positivity.
View Article and Find Full Text PDFBackground: Acral myxoinflammatory fibroblastic sarcoma (AMFS) is a rare, low-grade neoplasm most often occurring on the extremities of adults. It consists of mixed inflammatory infiltrates with nodules of epithelioid, spindled and bizarre-appearing cells within a fibrosclerotic-to-myxoid stroma. AMFS frequently recurs, but only rarely metastasizes.
View Article and Find Full Text PDFDesmoplastic malignant melanoma (DMM) is a rare variant of melanoma with distinct histopathologic and clinical features. Compared with other melanomas, the desmoplastic variant demonstrates a greater frequency of local recurrence and a proclivity for tracking along nerves, but it poses a lower risk of distant metastases. Elective lymph node dissection and sentinel lymph node biopsy (SLNB) are commonly used tools for determining prognosis in thick melanomas.
View Article and Find Full Text PDFA 44-year-old man was referred for a right chest nodule of 3 months duration. A 'benign' nodule had been excised from this location 8 years prior. On examination, palpable nodes were noted in the right axilla.
View Article and Find Full Text PDFSebaceous lesions, including sebaceous hyperplasia, sebaceomas, and sebaceous adenomas and carcinomas, are histologically distinctive adnexal proliferations with a spectrum of biological behavior ranging from benign to frankly malignant. The histologic distinction between sebaceous adenomas and carcinomas may be challenging, especially in cases showing atypical features and in small or partial biopsies. We studied multiple oncogenic and therapeutic related proteins by immunohistochemistry to identify differences in expression between benign and malignant sebaceous proliferations.
View Article and Find Full Text PDFA high throughput screening approach to the identification of selective cholecystokinin-2 receptor (CCK-2R) ligands resulted in the discovery of a novel series of antagonists, represented by 1-[2-[(2,1,3-benzothiadiazol-4-ylsulfonyl)amino]-5-chlorobenzoyl]-piperidine (1; CCK-2R, pK(I) = 6.4). Preliminary exploration of the structure-activity relationships around the anthranilic ring and the amide and sulfonamide moieties led to a nearly 50-fold improvement of receptor affinity and showed a greater than 1000-fold selectivity over the related cholecystokinin-1 receptor.
View Article and Find Full Text PDFInflammatory, non-neoplastic epidermal alterations of the vulva can be correctly diagnosed using classification schemes applied to skin elsewhere on the body. A wide range of inflammatory disorders may occur on the vulva, and they may have a similar clinical presentation to HPV lesions. However, HPV is incurable and often is treated surgically.
View Article and Find Full Text PDFBackground: Desmoplastic melanoma is an uncommon variant of cutaneous melanoma that mimics soft tissue sarcoma both clinically and morphologically. An activating point mutation of the BRAF oncogene has been identified in a high proportion of conventional cutaneous melanomas, but its frequency in the desmoplastic subtype is not known.
Methods: The authors tested 12 desmoplastic melanoma specimens for the thymine (T)-->adenine (A) missense mutation at nucleotide 1796 of the BRAF gene using a newly developed assay that employs a novel primer extension method.
A collagenolytic or necrobiotic non-infectious granuloma is one in which a granulomatous infiltrate develops around a central area of altered collagen and elastic fibers. The altered fibers lose their distinct boundaries and exhibit new staining patterns, becoming either more basophilic or eosinophilic. Within the area of altered collagen, there may be deposition of acellular substances such as mucin (blue) or fibrin (red), or there may be neutrophils with nuclear dust (blue), eosinophils (red), or flame figures (red).
View Article and Find Full Text PDFJ Clin Gastroenterol
April 2004
Video capsule endoscopy is a new diagnostic modality that allows imaging of the entire small intestine. We report on a patient with a presumed but undocumented case of Crohn's disease who was found to have 9 ileal strictures by video capsule endoscopy. These strictures were undetected by small intestinal contrast studies and required surgical intervention.
View Article and Find Full Text PDFA collagenolytic or necrobiotic non-infectious granuloma is one in which a granulomatous infiltrate develops around a central area of altered collagen and elastic fibers. The altered fibers lose their distinct boundaries and exhibit new staining patterns, becoming either more basophilic or eosinophilic. Within the area of altered collagen, there may be deposition of acellular substances such as mucin (blue) or fibrin (red), or there may be neutrophils with nuclear dust (blue), eosinophils (red), or flame figures (red).
View Article and Find Full Text PDFBackground: Basaloid follicular hamartomas (BFH) are rare, benign, adnexal lesions with diverse clinical presentations. Previous studies documented BFHs with fibroepithelioma of Pinkus-like proliferations, or proliferations that resemble trichoepitheliomas.
Objective: We report on a patient with linear, unilateral BFH and extensive trichoblastomatous proliferations involving the right arm, torso, and leg.