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CME QUIZ
Year : 2020  |  Volume : 18  |  Issue : 2  |  Page : 147-148

Ocular myasthenia gravis and thymoma


Medicine Department, Federal University of Santa Maria, Santa Maria, Rio Grande Do Sul, Brazil

Date of Submission15-Nov-2019
Date of Decision20-Dec-2019
Date of Acceptance24-Dec-2019
Date of Web Publication17-Apr-2020

Correspondence Address:
Dr. Jamir Pitton Rissardo
Rua Elpídio De Menezes, 195, Santa Maria, Rio Grande Do Sul
Brazil
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/cmi.cmi_60_19

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How to cite this article:
Rissardo JP, Caprara AL. Ocular myasthenia gravis and thymoma. Curr Med Issues 2020;18:147-8

How to cite this URL:
Rissardo JP, Caprara AL. Ocular myasthenia gravis and thymoma. Curr Med Issues [serial online] 2020 [cited 2020 Jun 4];18:147-8. Available from: http://www.cmijournal.org/text.asp?2020/18/2/147/282784




  Case Scenario Top


A 43-year-old female presenting with double vision was admitted to our hospital. She reported that this symptom started within 1 month and have periods of exacerbation with worsening throughout the day. Her family history was unremarkable and negative for neurological disorders. She had well-controlled essential hypertension with a changing lifestyle. On neurological examination, the inspection showed ptosis without other cranial nerve abnormalities. The sustained upgaze test reveals the weakness of the levator palpebrae with intensification of ptosis. Laboratory tests were within normal limits. Brain magnetic resonance imaging was normal. Computed tomography (CT) of the abdomen and chest was performed [Figure 1].
Figure 1: Sagittal contrast (a), coronal contrast (b), axial noncontrast (c), axial contrast with mediastinum window (d), and lung window (e) computed tomography scans of the chest and abdomen.

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  Questions Top


  1. What are the findings in the CT scans of the chest and abdomen?
  2. What is the most likely diagnosis taking into account this clinical scenario?




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Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Carr AS, Cardwell CR, McCarron PO, McConville J. A systematic review of population based epidemiological studies in myasthenia gravis. BMC Neurol 2010;10:46.  Back to cited text no. 1
    
2.
Berrih-Aknin S, Frenkian-Cuvelier M, Eymard B. Diagnostic and clinical classification of autoimmune myasthenia gravis. J Autoimmun 2014;48-49:143-8.  Back to cited text no. 2
    
3.
Liu CJ, Chang YS, Teng CJ, Chen TJ, Ou SM, Tzeng CH, et al. Risk of extrathymic cancer in patients with myasthenia gravis in Taiwan: A nationwide population-based study. Eur J Neurol 2012;19:746-51.  Back to cited text no. 3
    


    Figures

  [Figure 1], [Figure 2]



 

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