Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2
Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2
Chapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. an Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2nd 47.4).Figure 47.1Figure 47.2Figure 47.3Figure 47.4175Chapter 47 Subacute Combined Degeneration of the Spinal CordFindingsSubacute degeneration of the spinal cord (SCD) from Bp defciency. Sagittal 12-weighted images (Figures 47.5 and 47.6) and axial 1 ’’-weighted images (Figures 47.7 and 47.8) of Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2the cervical and thoracic spine demonstrate a 12 hyperintense signal (arrows) extending craniocaudally along the dorsal aspect of the spinal cord. OnEbook Spine imaging - A Case-Based guide to imaging and management: Part 2
the axial views, bilateral involvement of the dorsal columns of the spinal cord is seen.Figure 475Figure 47.6Figure 4/./figure 4/,8A workup was perforChapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. an Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2(normal range 0.4). Mean corpuscular volume (MCV) was high and red blood cell count (RBC) was decreased al 3.4 Tril I . On this basis, a diagnosis ofvitamin Bp-delcienl SOD was made.Differential Diagnosis►Other causes of SCD such as nitrous oxide inhalation have similar imaging features. A clinical Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2history of nitrous oxide inhalation during surgery, dental work, or from recreational reasons, and related laboratory fadings help separate this entitEbook Spine imaging - A Case-Based guide to imaging and management: Part 2
y.►ĨĨTV vacuolar myelopathy can closely mimic SCD imaging, but may also be associated with cord expansion. A potential cause is viral interruption of Chapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. an Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2also helpful in HIV and other infectious etiologies.176►Copper defciency myeloneuropathy. Copper defciency isa cause of neurological dysfunction and can present with sensory ataxia, myelodysplastic syndrome, and anemia. Some patients demonstrate imaging fndings very similar to SCD including dorsal c Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2olumn T2 hyperintensity in the cervical spinal cord. Causes for copper defciency include excess zinc ingestion (denture creams) or treatment, malabsorEbook Spine imaging - A Case-Based guide to imaging and management: Part 2
ption, gastric bypass surgery (including bariatric), and total parenteral nutrition; in some patients there is a presumed defect in copper transport.►Chapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. an Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2than 2 vertebral lengths, and are discontinuous. Imaging fadings in the brain and clinical history are additional differentiating features. Other causes such as transverse myelitis and neuromyelitis optica involve a larger cross-sectional area of the cord and have additional clinical and CSF fndings Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2.►Spinal cord ischemia. Clinical features are distinct and isolated dorsal column involvement is less likely.DiscussionDescribed in detail in 1900 byEbook Spine imaging - A Case-Based guide to imaging and management: Part 2
Russell and colleagues but identi fed even earlier in the nineteenth century (Lichtheim in 1887 described it in relation to pernicious anemia), subacuChapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. an Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2teral columns of the spinal cord. T e microscopic f ndings are of demyelination of thesespecifc tracts with initially swelling and later vacuolation of the myelin sheath.Bp defciency is the primary source of SCD. In the United States, dietary defciency IS only rarely the cause and the most common ca Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2use is pernicious anemia, which IS an immune-mediated destruction of the gastric parietal cells leading to atrophic gastritis and decreased availabiliEbook Spine imaging - A Case-Based guide to imaging and management: Part 2
ty of intrinsic factor. Othercauses include malabsorption from intestinal infections, tropical sprue, and surgical procedures such asgastric bypass. BChapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. an Ebook Spine imaging - A Case-Based guide to imaging and management: Part 2eDNA synthesis of Blood Cells & OligodendrocytesChapter 47Anant Krishnan and Richard SilbergleitHistory► A 32-year-old female presents With progressive sensory myelopathy (Figures 47.1.47.2,47.3. anGọi ngay
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