• Neural Foraminal Stenosis
    • Annette C Douglas‐akinwande
    • Annette C Douglas‐Akinwande: Influence Statistics

      Annette C Douglas‐Akinwande

      Annette C Douglas‐Akinwande

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      Radiology, Indiana University School of Medicine, Indianapolis, Indiana | Department of Radiology, Indiana University Medical Center, University Hospital 0279, and Department ...

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      Annette C Douglas‐Akinwande:Expert Impact

      Concepts for whichAnnette C Douglas‐Akinwandehas direct influence:Neural foraminal stenosis,Motor cortex,Enhanced mdct,Contrastenhanced mdct mri,Enhanced mdct mri,Contrastenhanced mdct,Foraminal stenosis,Mri severity.

      Annette C Douglas‐Akinwande:KOL impact

      Concepts related to the work of other authors for whichfor which Annette C Douglas‐Akinwande has influence:Amyotrophic lateral sclerosis,Motor cortex,Cervical spine,Image quality,Metal artifact,Germ cell,Bone wax.

      KOL Resume for Annette C Douglas‐Akinwande


      Radiology, Indiana University School of Medicine, Indianapolis, Indiana


      Department of Radiology, Indiana University Medical Center, University Hospital 0279, and Department of Neurosurgery, Indiana University School of Medicine, 550 N University Blvd., Indianapolis, IN 46202, USA.


      Department of Radiology, Indiana University School of Medicine, Indianapolis, IN, United States


      From the Indiana University School of Medicine, Indianapolis, IN.


      From the Departments of *Anesthesia and †Radiology, Indiana University School of Medicine, Indianapolis, Indiana.


      Department of Radiology, Indiana University Medical Center, University Hospital 0279, 550 N University Blvd, Indianapolis, IN 46202, USA.

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      Sample of concepts for which Annette C Douglas‐Akinwande is among the top experts in the world.
      Concept World rank
      enhanced mdct mri #5
      contrastenhanced mdct mri #8
      neural foraminal stenosis #9
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      Prominent publications by Annette C Douglas‐Akinwande

      KOL-Index: 9341

      PURPOSE: To evaluate single-voxel proton magnetic resonance (MR) spectroscopy in detection of abnormality of the upper motor neuron in patients with motor neuron diseases.

      MATERIALS AND METHODS: In 43 of 50 patients with motor neuron disease and 14 of 14 control subjects, matching sets of MR spectra were obtained in the left and right motor cortex. The ratio of N-acetylaspartate (NAA) to creatine (Cr) was derived from peak area measurements. Mean ratios were calculated for control ...

      Known for Motor Cortex | Neuron Disease | Voxel Proton | Magnetic Resonance | Lateral Sclerosis
      KOL-Index: 7115

      OBJECTIVE: The purpose of this study was to determine the accuracy of IV contrast-enhanced MDCT and MRI for evaluation of the severity and cause of neural foraminal stenosis in patients with cervical radiculopathy.

      SUBJECTS AND METHODS: Eighteen patients with cervical radiculopathy prospectively underwent contrast-enhanced MDCT and MRI. Contrast-enhanced MDCT scans were acquired at 1-mm thickness and reconstructed in oblique axial (parallel to disk) and sagittal (perpendicular to neural ...

      Known for Foraminal Stenosis | Cervical Radiculopathy | Mdct Mri | Interobserver Agreement | 4point Scale
      KOL-Index: 5675

      BACKGROUND: Although previous reports purport that the unique magnetic resonance imaging (MRI) features of Lhermitte-Duclos disease (LDD) obviates the need for biopsy, medulloblastoma can have an indistinguishable imaging appearance.

      CASE DESCRIPTION: We present a patient who suffered from a medulloblastoma that demonstrated no enhancement and had imaging characteristics that were indistinguishable from LDD. This atypical imaging appearance, which could potentially be confused with LDD, ...

      Known for Duclos Disease | Cowden Syndrome | Imaging Characteristics | Previous Reports | Mri Features
      KOL-Index: 5389

      Evaluating the spine in patients with metal orthopedic hardware is challenging. Although the effectiveness of conventional computed tomography (CT) can be limited by severe beam-hardening artifacts, the evolution of multichannel CT in recent years has made available new techniques that can help minimize these artifacts. Multichannel CT allows faster scanning times, resulting in reduced motion artifacts; thinner sections, with which it is possible to create a scanned volume of isotropic ...

      Known for Orthopedic Hardware | Image Interpretation | New Techniques | Computed Tomography | Spine Patients
      KOL-Index: 4139

      RATIONALE AND OBJECTIVES: The aim of this study was to quantify, using diffusion-weighted magnetic resonance imaging, the microscopic rate of water diffusion in pure germinoma and to determine whether or not the apparent diffusion coefficient (ADC) values correlated with the different histologic components.

      MATERIALS AND METHODS: A retrospective analysis of echoplanar diffusion-weighted magnetic resonance images was conducted on 10 patients with 11 germinoma lesions. All images were ...

      Known for Adc Values | Weighted Imaging | Central Nervous | Diffusion Magnetic | Brain Neoplasms
      KOL-Index: 3337

      Astroblastoma is a rare primary glial tumor of children and young adults, typically located in the cerebral hemispheres and presenting as a well-circumscribed, nodular, often cystic enhancing mass. The existence of astroblastoma as a distinct clinicopathologic entity has long been debated but is recognized in the 2007 WHO classification of CNS tumors. The grading of these tumors remains unsettled. Currently, no grade has been established and there are no clearly defined diagnostic ...

      Known for Anaplastic Astroblastoma | Cerebral Hemispheres | Gross Total Resection | Grade Tumors | Brain Neoplasms
      KOL-Index: 2803

      Phosphaturic mesenchymal tumor, mixed connective tissue variant (PMT-MCT) is a rare, largely benign, mesenchymal neoplasm almost invariably associated with oncogenic osteomalacia. It is generally found in the soft tissue and bone of the extremities. We report a case of a 61-year-old female with long-standing osteomalacia who was found to have PMT-MCT of the thoracic spine. There have been very few previously reported cases of PMT involving the spinal vertebrae and neuropathologists ...

      Known for Thoracic Spine | Oncogenic Osteomalacia | Soft Tissue | Phosphaturic Mesenchymal Tumor | Neoplasms Connective
      KOL-Index: 2028

      BACKGROUND: When an epidural catheter is present, new motor deficits will often be attributed to a local anesthetic effect, potentially delaying imaging studies, or to an epidural hematoma, ignoring other mechanisms of spinal cord injury.

      METHODS: A 69-yr-old female patient undergoing thoracotomy received a preoperative thoracic epidural for postoperative analgesia.

      RESULTS: Intraoperatively, there was bleeding near the costovertebral junction. Hemorrhage was controlled with cellulose ...

      Known for Thoracic Epidural | Bone Wax | Spinal Cord Injury
      KOL-Index: 1625

      We present a case of rotational vertebrobasilar insufficiency diagnosed and followed by computed tomography angiography. Diagnosis of this entity provides a unique challenge in that the patient must be positioned properly to avoid a false-negative result without causing ischemic brain injury. The evaluation of rotational vertebrobasilar insufficiency with computed tomography angiography has never been described in the literature to the best of our knowledge. We highlight the advantages ...

      Known for Tomography Angiography | Vertebrobasilar Insufficiency | Technique Diagnosis | Vertebral Artery | Arterial Occlusive
      KOL-Index: 1542

      We describe a case of a 14-year-old boy who developed a cerebellar and brainstem glioblastoma 5 years after treatment for a medulloblastoma. The patient first presented in 2003 with 9 months of vomiting and a 9-kg weight loss. A head MRI showed a heterogeneously enhancing posterior fossa mass with hydrocephalus. Gross total resection was performed and the tumor was consistent with a classic medulloblastoma. Postoperative chemotherapy and craniospinal radiation was administered. The ...

      Known for Cerebellar Neoplasms
      KOL-Index: 1383

      We report an unusual case of primary intracranial germinoma involving the sphenoid bone and sinus. To the best of our knowledge, paranasal sinus and bone invasion of primary intracranial germinoma has not been previously reported. Recognition of this rare form of presentation by imaging is important because early radiation and chemotherapy can result in a cure of this neoplasm.

      Known for Primary Intracranial Germinoma | Skull Base | Unusual Case | Neoplasm Invasiveness | Radiation Chemotherapy
      KOL-Index: 1214

      A 41-year-old woman with a 12-year history of von Hippel-Lindau disease presented with progressive quadriparesis and difficulty swallowing. MRI revealed a well-circumscribed, partially cystic cerebellar neoplasm, consistent with hemangioblastoma. The tumor was resected and the diagnosis of hemangioblastoma confirmed. Embedded within the hemangioblastoma was a small focus of metastatic renal cell carcinoma (RCC). RCC metastatic to a CNS hemangioblastoma is the second most common type of ...

      Known for Renal Cell | Cerebellar Neoplasms | Diagnosis Differential | Hemangioblastoma Humans | Common Type

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      Radiology, Indiana University School of Medicine, Indianapolis, Indiana | Department of Radiology, Indiana University Medical Center, University Hospital 0279, and Department of Neurosurgery, Indiana University School of Medicine, 550 N University Bl

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