A rare case of multicentric synchronous bi-frontal glioma in a young female. Diagnostic and therapeutic problems: a case report
© Turola et al; licensee BioMed Central Ltd. 2009
Received: 12 October 2008
Accepted: 23 January 2009
Published: 23 January 2009
Multicentric glioblastoma is a uncommon brain malignant tumour.
We report the case of a 43-years-old woman, born in Ukraine and living in Italy, who manifested an initial isolated epileptic seizure and subsequent atypical psychiatric symptoms. Clinical neurological examination, Brain Computed Tomography and standard EEG examinations were negative at the moment of admission. A month later, she presented apathy, apraxia, psychomotor slowdown and expressive aphasia. A Magnetic Resonance Imaging examination showed a bi-frontal lesion. The patient underwent to two neurosurgical removals of the lesions: histological examination demonstrated the presence of a grade IV glioblastoma.
Clinical onset, diagnostic and therapeutic problems are discussed.
In case of atypical psychiatric presentation, it should be taken into consideration neoplastic, inflammatory or infective causes. Despite the absence of focal neurological signs and basal CT scan and EEG alterations, complementary imaging examinations, such as MRI and contrast enhancement CT, are necessary, especially when the conditions become quickly worse
Multicentric gliomas are well-separated lesions, localized in different lobes or hemispheres, which cannot be ascribed to dissemination through commissural pathways, cerebrospinal-fluid (CSF), blood or local extension. Incidence range is included from 2.3 to 9.1%. Despite of advances in neuroradiological techniques, in case of multicentric cerebral lesions, differential diagnosis may require cerebral biopsy [1–3]. We report the case of 43-year-old female with a bi-frontal grade IV glioma and discuss the clinical onset, diagnostic and therapeutic problems.
A 43-years-old woman, born in Ukraine, living and working in Italy since 1999 (nine years), came to observation of the First Aid Unit of Ferrara Hospital in March 2008, due to an epileptic seizure with generalized convulsions which occurred while she was working as assistant for a patient of the Pneumology Unit, in the same Hospital. She was found by the nurses of the ward, prone on the floor, unresponsive and presenting diffuse muscular jerks. This episode had spontaneous resolution in a few minutes and the patient completely regained consciousness. No signs of sphincters relaxation or secondary trauma were evident. Her vital parameters never got altered during and immediately after the seizure and she had normal blood pressure and body temperature. The nurses reported appearance, a few hours before the seizure, of a brief, sudden episode of diminished awareness of environment and inability to respond to external stimuli; this was erroneously blamed to tiredness and lack of sleep.
Neither medical therapy at home nor voluntary drug abuse or toxin exposure were reported. She never had epileptic events or other neurological symptoms before. In her past clinical history no significant diseases could be found, except for a surgical intervention of saphenectomy in February 2008. She did not report familiar or personal history of psychiatric or neurological disorders, or, in particular, of epileptic disease.
She was working as an assistant for a disabled lady and had always done an efficient and competent job.
The patient got married when she was twenty-five years old and divorced ten years ago. She had one pregnancy; her daughter is twenty years old. She doesn't smoke and she drinks alcohol only occasionally. She is 165 cm high and she weights 63 kg.
Friends described her as a clever, polite, mild woman, able to speak a good Italian in a short time.
Taken to First Aid Unit and after medical evaluation, the patient was addressed to Brain CT in order to exclude haematomas or vascular injuries; she was then taken to Neurological Unit.
The patient was admitted in the Neurological Unit of Ferrara Hospital due to an acute, apparently generalized, convulsive seizure
Past medical history was not significant. A mild change in her emotional balance and behaviour control was reported in the past few months, when she felt more anxious than usual, with occasional compensative alcohol abuse.
The routine Electrocardiogram and laboratory tests (blood cells count and morphometry, plasmatic glucose level, seric electrolytes, coagulation, kidney and liver function indexes) didn't show any significant abnormalities, except for a mild red blood cells macrocitosis (MCV 97 fl). Blood pressure and temperature were normal.
The patient had no evident epileptic relapse during the subsequent clinical observation.
As the first line routine investigations did not reveal the cause of her epileptic episode, we planned to perform second level diagnostic tests, particularly sleep-deprivation sensitized electroencephalogram and cerebral MRI (Magnetic Resonance Imaging), in order to unravel the epileptic focus or possible organic brain pathology.
Nevertheless, we could not complete our diagnostic program: the patient progressively developed an intense anxious state, explained away with the fear to lose her job because she was ill. For this reason she left the hospital two days after the admission, against physician's opinion.
A month later, the woman visited again the First Aid Unit, taken by her friends, upset by her sudden change in behaviour: she did not speak, even if she was able to understand and respond with gestures and signs; she was slow in all daily activities; she seemed uninterested and emotionless, lost in her world. Since her first visit to Hospital she didn't experienced any epileptic symptom.
After medical examinations, psychiatric and neurological consultations, the patient was hospitalized in a Psychiatric Unit for acute inpatient.
The psychiatric diagnostic possibilities were: a psychotic acute crisis, a major depression episode or hysteria.
We requested a new neurological consultation, where the patient showed any peripheral neurological signs, but several cognitive symptoms as apraxia, disturbance in executive functioning and partial amnesia, beside aphasia.
A second Electroencephalography examination showed a slow basic activity in both brain hemispheres and marked focal epileptic type anomalies in right frontal area, with a tendency to spread on the left homologous region.
Focusing on inflammatory or infective disease, we sent the patient, forty days after the first – negative – TC, to a new neuroradiological evaluation, and the specialist chose to undertake Brain Nuclear Magnetic Resonance: it evidenced a large lesion in the right frontal lobe, a smaller lesion in the left frontal lobe, a large irregular halo of altered signal on both sides, probably attributable to perilesional oedema.
Most likely, a contrast CT would have highlighted such big lesions in a similar way, but MRI was first undertaken, thinking it was an inflammatory or infective disease.
After Brain Magnetic Resonance, the patient was quickly transferred to the neurosurgery unit.
Her neurological examination was characterized by lethargy, apathy, mutacism, visual hallucinations, impairment of 6th right c.n. and papilloedema.
We administered antiedemigenic therapy with high doses of mannitol and dexamethasone.
Three weeks later the patient received limited field irradiation radiotherapy (40 Gray in 15 fractions over a period of 3 weeks) and temozolomide.
Two months later, the patient was able to perform her daily life activities with a mild disphoria (KPS – Karnovsky Performance Scale 100).
Multicentric glioblastoma is a rare entity. The clinical presentation may develop extremely fast and can be characterized quite exclusively by cognitive symptoms; such symptoms can be very difficult to place, especially when focal neurological signs are not present. In this particular case, we couldn't expect a so relevant evolution in such short time.
"Psychiatric" patients are, often erroneously, considered difficult subjects because they are considered to need additional care: this may lead to underestimate symptoms and consequently a delay in diagnostic process.
In case of atypical psychiatric presentation, it should be taken into consideration neoplastic, inflammatory or infective causes.
Despite the absence of focal neurological signs and basal CT scan alterations, complementary imaging examinations, such as MRI and contrast enhancement CT, are necessary, especially when atypical symptoms are present and the conditions become quickly worse
"Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal."
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