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Letter to the Editor
Safe thrombolysis in astrocytoma of middle cranial fossa
Trombólisis segura en astrocitoma de fosa craneal media
F.J. Ros Fortezaa,b,
Corresponding author
javierros40@hotmail.com

Corresponding author.
, I. Pantazia,b, A. Cardosoa,b
a Unidade de AVC, Unidade Local de Saúde da Guarda, EPE, Guarda, Portugal
b Departamento de Ciências Médicas, Faculdade de Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal
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who attended our emergency department due to speech disturbances and right-sided motor deficit of sudden onset&#46; He arrived 45<span class="elsevierStyleHsp" style=""></span>minutes after symptom onset&#44; presenting an arterial pressure of 168&#47;92<span class="elsevierStyleHsp" style=""></span>mm&#160;Hg and a heart rate of 109<span class="elsevierStyleHsp" style=""></span>bpm&#46; Auscultation was normal and the echocardiogram showed sinus rhythm&#46; Neurological examination revealed global aphasia&#44; right-sided hemiparesis of faciobrachial predominance&#44; and right hemihypaesthesia&#46; The National Institute of Health Stroke Scale &#40;NIHSS&#41; score was 15&#58;2 in level of consciousness &#40;LOC&#41; questions&#44; 2 in LOC commands&#44; 1 in facial palsy&#44; 4 in right motor arm&#44; 2 in right motor leg&#44; 1 in sensory&#44; and 3 in language&#46; One hour and 30<span class="elsevierStyleHsp" style=""></span>minutes after symptom onset&#44; the patient experienced a generalised tonic-clonic seizure which resolved in 20<span class="elsevierStyleHsp" style=""></span>seconds after the intravenous administration of 10<span class="elsevierStyleHsp" style=""></span>mg diazepam&#46; A non-contrast brain CT scan performed with a Siemens Somatom<span class="elsevierStyleSup">&#174;</span> Emotion eco &#40;16-slice configuration&#41; 15<span class="elsevierStyleHsp" style=""></span>minutes after the seizure yielded normal results &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>A&#41;&#46; As we did not consider the patient&#39;s symptoms to be due to postictal changes&#44; no change to the neurological deficits after the seizure was observed&#44; and an advanced imaging scan could not be scheduled &#40;time- and space-limited accessibility&#41;&#44; we discussed the case and started treatment with intravenous alteplase&#44; 2<span class="elsevierStyleHsp" style=""></span>hours and 15<span class="elsevierStyleHsp" style=""></span>minutes after symptom onset&#46; Neurological improvement was observed &#40;NIHSS 9&#58;1 in LOC questions&#44; 1 in LOC commands&#44; 1 in facial palsy&#44; 2 in right motor arm&#44; 1 in right motor leg&#44; 1 in sensory&#44; and 2 in language&#41;&#46; At 24<span class="elsevierStyleHsp" style=""></span>hours&#44; we observed mild aphasia with no motor or sensory deficit &#40;NIHSS 2&#41;&#59; the contrast brain CT scan &#40;indicated after the epileptic seizure at onset&#41; performed at 24<span class="elsevierStyleHsp" style=""></span>hours showed a hyperdense area in the left temporal lobe &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>B&#41;&#46; The echocardiogram and the carotid and vertebral echo-Doppler study yielded normal results&#46; The brain MRI study &#40;T1-&#44; contrast T1-&#44; T2-&#44; T2&#42;-&#44; and diffusion-weighted&#44; FLAIR sequences and apparent diffusion coefficient &#91;ADC&#93; maps&#41; performed at 3 days revealed a glial tumour with cyst-like appearance in the left temporal lobe&#44; extending to the uncus and hippocampus&#46; It also revealed central necrosis with an infiltrative&#47;expansive growth pattern &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>C-F&#41;&#46; No haemorrhagic transformation or intratumoural bleeding was observed &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>C-F&#41;&#46; Diffusion-weighted sequences and ADC maps did not show changes suggestive of cerebral ischaemia&#46; At day 5 &#40;with no previous corticosteroids or surgery&#41;&#44; deficits resolved completely &#40;NIHSS 0&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">The patient was transferred to the neurosurgery department for tumour resection&#46; Histological findings were compatible with grade III anaplastic astrocytoma&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">There is limited scientific information on the use of alteplase in patients with astrocytomas mimicking stroke&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">5</span></a> To our knowledge&#44; there are only 2 published cases of patients treated with rt-PA due to suspected acute ischaemic stroke&#59; both were finally diagnosed with glioblastoma multiforme&#46;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">6&#44;7</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">Our patient was symptomatic for more than 24<span class="elsevierStyleHsp" style=""></span>hours&#59; however&#44; no signs of lesions caused by cerebrovascular disease were observed&#46; We believe that the stroke-like symptoms were caused by infiltration of the tumour into the Sylvian fissure&#44; surrounding the left middle cerebral artery as in the case reported by Garc&#237;a et al&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">6</span></a> However&#44; we cannot definitively rule out an ischaemia associated with the brain tumour and resolved by thrombolysis&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">6</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">Few cases of patients with epileptic seizures manifesting at stroke onset and safe use of rt-PA have been published&#44;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">6&#44;8</span></a> and cases of patients with stroke-like conditions treated with thrombolysis and finally diagnosed as brain tumour are rare&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">9</span></a> The Copenhagen Stroke Study suggests that an epileptic seizure at stroke onset may involve a large area of hypoperfused but potentially salvageable brain tissue&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">10</span></a></p><p id="par0035" class="elsevierStylePara elsevierViewall">We would like to highlight that&#58; &#40;1&#41; thrombolysis in a patient with astrocytoma was safe&#44; &#40;2&#41; a patient with an epileptic seizure at onset of a stroke-like event may present a tumour&#59; &#40;3&#41; non-contrast brain CT is not sufficient to detect neoplasms&#44; particularly in the middle cranial fossa &#40;artefacts are frequent in this location&#41;&#44; potentially causing an astrocytoma to go unnoticed&#59; and &#40;4&#41; brain MRI is useful since it displays the middle cranial fossa better than brain CT&#44; helping to rule out tumour vs ischaemic lesion&#46; Likewise&#44; an astrocytoma may go unnoticed in non-contrast brain CT images&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">As far as we are aware&#44; this is the first case of safe use of alteplase in a patient with grade III anaplastic astrocytoma mimicking stroke with no haemorrhagic transformation&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Conflicts of interest</span><p id="par0045" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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        "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as&#58; Ros Forteza FJ&#44; Pantazi I&#44; Cardoso A&#46; Tromb&#243;lisis segura en astrocitoma de fosa craneal media&#46; Neurolog&#237;a&#46; 2018&#59;33&#58;199&#8211;201&#46;</p>"
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          "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Brain CT&#58; &#40;A&#41; Findings from the initial non-contrast cranial CT scan were normal&#46; &#40;B&#41; Contrast brain CT image at 24<span class="elsevierStyleHsp" style=""></span>hours revealing a hyperdense area in the left temporal lobe&#44; infiltrating the ipsilateral Sylvian fissure with no contrast uptake&#46; Brain MRI&#58; &#40;C&#41; Axial T1-weighted sequence&#46; A hyperintense lesion was observed in the left temporal lobe&#46; &#40;D&#41; Coronal contrast T1-weighted sequence&#46; An irregular lesion with a hypointense centre &#40;ring enhancement&#41; was identified&#46; &#40;E&#41; Axial contrast T1-weighted sequence&#46; The scan revealed an irregular area with low contrast with a cyst-like component and central necrosis exerting a mass effect with left temporal horn effacement&#46; F&#41; Axial T2-weighted sequence&#46; A left temporal hyperintense lesion &#40;oedema&#41; was observed&#46; MRI results&#58; glial tumour in the left temporal lobe expanding into the uncus and hippocampus with a cyst-like appearance and central necrosis with an infiltrative&#47;expansive growth pattern&#46;</p>"
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                          "etal" => false
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                      "titulo" => "Intratumoral hemorrhage after thrombolysis in a patient with glioblastoma multiforme"
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                      "titulo" => "Seizure at stroke onset&#58; should it be an absolute contraindication to thrombolysis&#63;"
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                        0 => array:2 [
                          "etal" => false
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                  "contribucion" => array:1 [
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                      "titulo" => "Seizures in acute stroke&#58; predictors and prognostic significance&#46; The Copenhagen Stroke Study"
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                        0 => array:3 [
                          "colaboracion" => "The Copenhagen Stroke Study"
                          "etal" => false
                          "autores" => array:5 [
                            0 => "J&#46; Reith"
                            1 => "H&#46;S&#46; Jorgensen"
                            2 => "H&#46; Nakayama"
                            3 => "H&#46;O&#46; Raaschou"
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        "identificador" => "xack341549"
        "titulo" => "Acknowledgement"
        "texto" => "<p id="par0050" class="elsevierStylePara elsevierViewall">We would like to thank Prof&#46; Pablo Vivanco for his help in drafting this manuscript&#46;</p>"
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Article information
ISSN: 21735808
Original language: English
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2020 August 36 7 43
2020 July 16 15 31
2020 June 30 8 38
2020 May 20 10 30
2020 April 22 3 25
2020 March 24 4 28
2020 February 20 4 24
2020 January 28 3 31
2019 December 25 13 38
2019 November 20 10 30
2019 October 23 6 29
2019 September 33 4 37
2019 August 17 1 18
2019 July 19 9 28
2019 June 59 9 68
2019 May 173 9 182
2019 April 61 14 75
2019 March 13 6 19
2019 February 16 3 19
2019 January 6 3 9
2018 December 5 5 10
2018 November 26 3 29
2018 October 51 15 66
2018 September 35 5 40
2018 August 12 1 13
2018 July 9 1 10
2018 June 11 2 13
2018 May 11 1 12
2018 April 10 3 13
2018 March 2 0 2
2018 February 0 1 1
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es en pt

¿Es usted profesional sanitario apto para prescribir o dispensar medicamentos?

Are you a health professional able to prescribe or dispense drugs?

Você é um profissional de saúde habilitado a prescrever ou dispensar medicamentos