2021
DOI: 10.1016/j.radcr.2021.06.053
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Pineal region pilocytic astrocytoma showing uncommon growth: a case report

Abstract: Pineal region pilocytic astrocytomas are extremely rare, and there is limited information about their radiological features. We report the case of a 22-year-old woman with a cystic lesion in the pineal region. In the 2 years after diagnosis, the lesion irregularly extended along the bilateral internal cerebral veins and the inferolateral surface of the corpus callosum. Gross total resection was achieved, and the histopathological study revealed that the lesion was a pilocytic astrocytoma. The lesion exhibited … Show more

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Cited by 3 publications
(2 citation statements)
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“…Grade-4 glioblastomas comprised the most common lesions (84.5%), followed by grade-2 astrocytomas (9.7%). Three cases (0.4%) of grade-4 gliosarcoma [50,51,62] and one case each (0.1%) of grade-1 ganglioglioma [55], grade-1 pilocytic astrocytoma [59], and grade-1 subependymoma [67] were reported. Among cases with available histomolecular data, most tumors showed IDH-wildtype (84.9%), unmethylated MGMT promoters (53.5%), non-amplified EGFR (61.6%), mutated p53 (53.5%), non-mutated PTEN (46.3%), and normal ATRX (100%).…”
Section: Clinicoradiological Characteristics and Histomolecular Patternsmentioning
confidence: 99%
“…Grade-4 glioblastomas comprised the most common lesions (84.5%), followed by grade-2 astrocytomas (9.7%). Three cases (0.4%) of grade-4 gliosarcoma [50,51,62] and one case each (0.1%) of grade-1 ganglioglioma [55], grade-1 pilocytic astrocytoma [59], and grade-1 subependymoma [67] were reported. Among cases with available histomolecular data, most tumors showed IDH-wildtype (84.9%), unmethylated MGMT promoters (53.5%), non-amplified EGFR (61.6%), mutated p53 (53.5%), non-mutated PTEN (46.3%), and normal ATRX (100%).…”
Section: Clinicoradiological Characteristics and Histomolecular Patternsmentioning
confidence: 99%
“…La glándula pineal es una estructura endócrina pequeña, localizada en el epitálamo, en la línea media cerebral, apenas rostral y posterior al techo del tercer ventrículo 1 . Dentro de algunas de sus funciones interviene en la función gonadal y el ritmo circadiano 2,3 .…”
Section: Antecedentesunclassified