The diagnosis of Gliomatosis cerebri (GC) is known to be difficult and is still a matter of debate. We describe an in vivo case of GC associated with a pituitary tumor. A 47-year-old woman presented with short-term memory loss. A MRI revealed the presence of a pituitary enhancing tumor and a diffuse lesion involving the brain. A left pterional craniotomy with partial temporal lobectomy and removal of the pituitary lesion were performed in order to obtain diagnosis. The histological analyses showed a pituitary non-functioning tumor and a GC consisting of neoplastic oligodendrocytes and astrocytes. Both lesions showed nuclear immunoreactivity for progesterone receptors (PGr) and estrogen receptors (EGr). This result could suggest there is a common receptor substrate in these tumors. In this case hormones could constitute a common step in tumorigenesis of both lesions.

Gliomatosis cerebri and pituitary adenoma: Case report and literature review

Mangiola, A.;
2005

Abstract

The diagnosis of Gliomatosis cerebri (GC) is known to be difficult and is still a matter of debate. We describe an in vivo case of GC associated with a pituitary tumor. A 47-year-old woman presented with short-term memory loss. A MRI revealed the presence of a pituitary enhancing tumor and a diffuse lesion involving the brain. A left pterional craniotomy with partial temporal lobectomy and removal of the pituitary lesion were performed in order to obtain diagnosis. The histological analyses showed a pituitary non-functioning tumor and a GC consisting of neoplastic oligodendrocytes and astrocytes. Both lesions showed nuclear immunoreactivity for progesterone receptors (PGr) and estrogen receptors (EGr). This result could suggest there is a common receptor substrate in these tumors. In this case hormones could constitute a common step in tumorigenesis of both lesions.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11564/700327
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