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1.
Acta Neurol Scand ; 130(1): 1-10, 2014 Jul.
Article in English | MEDLINE | ID: mdl-24313862

ABSTRACT

OBJECTIVES: To study the propensity of different cancers to metastasize to the cerebrum and cerebellum, and to study overall survival (OS) and prognostic factors for patients after surgical resection for cerebellar metastases. MATERIALS AND METHODS: From a prospectively collected tumor database, all patients that underwent a craniotomy for intracranial metastases between 2003 and 2011 at Oslo University Hospital were included. RESULTS: One hundred and forty patients underwent resection for cerebellar metastases. Most common primary tumor sites were lung, colon/rectum, and breast in 45%, 19%, and 14%, respectively. None were prostate cancers. Melanoma metastases were significantly underrepresented, and colorectal cancer metastases significantly overrepresented in cerebellum, compared to the overall proportion of cerebellar/supratentorial metastases surgically resected (P < 0.05). Thirty-day post-operative mortality rate was 4.3%. Median OS was 7.7 months (95% CI 6.0-9.5 months) irrespective of post-operative adjuvant therapy. Median OS was 51.8, 8.4, and 3.4 months, respectively, for recursive partitioning analysis class 1(n = 11), 2 (n = 78) and 3 (n = 34). Significant negative prognostic factors were age ≥65 years, Karnofsky performance score (KPS) <70, extracranial metastases and uncontrolled systemic disease. CONCLUSIONS: Melanoma metastases were significantly underrepresented in cerebellum, whereas colorectal cancer metastases were significantly overrepresented. Surgical mortality and OS after surgical treatment of cerebellar metastases were similar to the results of supratentorial metastases.


Subject(s)
Cerebellar Neoplasms/secondary , Melanoma/secondary , Adult , Aged , Aged, 80 and over , Cerebellar Neoplasms/mortality , Cerebellar Neoplasms/surgery , Craniotomy , Female , Humans , Kaplan-Meier Estimate , Male , Melanoma/mortality , Melanoma/surgery , Middle Aged , Proportional Hazards Models , Retrospective Studies , Survival Rate
2.
Cytogenet Genome Res ; 134(2): 88-95, 2011.
Article in English | MEDLINE | ID: mdl-21555877

ABSTRACT

Gliosarcoma, a rare glioblastoma variant, is composed of a glial and a mesenchymal component. Though the mesenchymal portion most commonly resembles a fibrosarcoma, other differentiation patterns have been observed. We present the first genomic characterisation (karyotyping followed by FISH and array comparative genomic hybridisation analysis) of a gliosarcoma with osseous metaplasia. In addition to chromosomal changes often found in gliomas (+7, -10, -13, and -22), the tumour cells also harboured a hitherto unknown t(3;21)(q13∼21;q21∼22).


Subject(s)
Brain Neoplasms/genetics , Brain Neoplasms/pathology , Gliosarcoma/genetics , Gliosarcoma/pathology , Lateral Ventricles/pathology , Aged , Chromosomes, Human , Comparative Genomic Hybridization , Humans , In Situ Hybridization, Fluorescence , Karyotyping , Male , Metaplasia/genetics
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