Study DesignCross sectional and observational.PurposeTo evaluate the different aspects of lumbar disc degenerative disc disease and relate them with magnetic resonance image (MRI) findings and symptoms.Overview of LiteratureLumbar disc degenerative disease has now been proven as the most common cause of low back pain throughout the world. It may present as disc herniation, lumbar spinal stenosis, facet joint arthropathy or any combination. Presenting symptoms of lumbar disc degeneration are lower back pain and sciatica which may be aggravated by standing, walking, bending, straining and coughing.MethodsThis study was conducted from January 2012 to June 2012. Study was conducted on the diagnosed patients of lumbar disc degeneration. Diagnostic criteria were based upon abnormal findings in MRI. Patients with prior back surgery, spine fractures, sacroiliac arthritis, metabolic bone disease, spinal infection, rheumatoid arthritis, active malignancy, and pregnancy were excluded.ResultsDuring the targeted months, 163 patients of lumbar disc degeneration with mean age of 43.92±11.76 years, came into Neurosurgery department. Disc degeneration was most commonly present at the level of L4/L5 105 (64.4%).Commonest types of disc degeneration were disc herniation 109 (66.9%) and lumbar spinal stenosis 37 (22.7%). Spondylolisthesis was commonly present at L5/S1 10 (6.1%) and associated mostly with lumbar spinal stenosis 7 (18.9%).ConclusionsResults reported the frequent occurrence of lumbar disc degenerative disease in advance age. Research efforts should endeavor to reduce risk factors and improve the quality of life.
PIK3CA is the most frequently mutated oncogene in human cancers. PIK3CA is phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit alpha. It controls cell growth, proliferation, motility, survival, differentiation and intracellular trafficking. In most of human cancer alteration occurred frequently in the alpha isoform of phosphatidylinositol 3 kinase. PIK3CA mutations were most frequent in endometrial, ovarian, colorectal, breast, cervical, squamous cell cancer of the head and neck, chondroma, thyroid carcinoma and in cancer family syndrome. Inhibition of PI3K signaling can diminish cell proliferation, and in some circumstances, promote cell death. Consequently, components of this pathway present attractive targets for cancer therapeutics. A number of PI3K pathway inhibitors have been developed and used. PI3K inhibitors (both pan-PI3K and isoform-specific PI3K inhibitors), dual PI3K-mTOR inhibitors that are catalytic site inhibitors of the p110 isoforms and mTOR (the kinase component of both mTORC1 and mTORC2), mTOR catalytic site inhibitors, and AKT inhibitors are the most advanced in the clinic. They are approved for the treatment of several carcinomas.
BackgroundSpinal tuberculosis presents in various pathological patterns. The clinical presentation and often the management depend on exact pathological findings. Objective of study was to evaluate the Pathology of spinal tuberculosis as depicted by MRI findings in 119 consecutive cases of spinal TB.MethodologyIt was a cross sectional and observational study conducted at Civil Hospital, Karachi from July 2010 to December 2012.Total numbers of participants were 119. Diagnosis was based on positive histopathology results along with the supportive evidence in MRI. A pre-structured questionnaire was constructed to record the data. Study was ethically approved by Institutional Review Board of Dow University of Health Sciences. Sample size was calculated by using Open-EPI software. All the data was entered and analyzed through SPSS 19.ResultThere were 119 patients who participated in this study out of which 52 were males and 67 were females. Most common level was Dorso-lumbar (33.6%) and 87.5% of them had spondylodiscitis while 90% had cord compression. All 6 (100%) patients who had their upper- dorsal region affected had gibbus formation while all those patients having lumbosacral region involved had thecal compression 4 (100%). Most common mode of treatment used in patients having Spinal TB at Lumbar region was conservative (86.2%).ConclusionMRI findings were mostly shadowed with features such as disc destruction and thecal or cord compression. MRI scan could be used for early detection of spinal TB which can reduce disability and deaths in patients. Major clinical findings in spinal TB were fever, Para paresis and back pain.
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