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[Multiple non-neoplastic lesions in computerized cranial tomography].

B O Colli, N Martelli, J A Assirati Júnior

    Arquivos De Neuro-Psiquiatria
    |June 1, 1986
    PubMed
    Summary

    Multiple intracranial lesions on CT scans can mimic tumors. This study highlights parasitic and vascular causes, emphasizing accurate diagnosis to avoid unnecessary treatments for these non-neoplastic conditions.

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    Area of Science:

    • Neurology
    • Radiology
    • Infectious Diseases

    Background:

    • Computerized tomography (CT) scans revealing multiple intracranial lesions often raise concerns for neoplastic (tumor) causes.
    • However, granulomatous (including parasitic) and vascular diseases can present similarly, complicating differential diagnosis.

    Observation:

    • This study presents five patients with clinical suspicion of intracranial masses and CT findings suggestive of neoplasms.
    • All patients ultimately demonstrated non-neoplastic etiologies for their lesions upon further evaluation.

    Findings:

    • Three patients had parasitic diseases: one with intracranial tuberculomas and two with neurocysticercosis.
    • Two patients presented with vascular disturbances, specifically cerebral infarcts.

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    Implications:

    • Accurate etiological diagnosis of multiple intracranial lesions is crucial for appropriate patient management.
    • Distinguishing non-neoplastic from neoplastic lesions avoids unnecessary irradiation and surgical interventions.
    • In endemic regions, parasitic granulomatous diseases (neurocysticercosis, tuberculosis, fungal infections) and vascular infarcts are key differentials for multiple intracranial lesions on CT.