P. Helén

发表

Activation of Blood Coagulation After Aneurysmal Subarachnoid Hemorrhage: A Prospective Observational Trial of Rotational Thromboelastometry.

H. Huhtala, A. Kuitunen, E. Junttila, 2019, World neurosurgery.

Whole-exome sequencing identifies germline mutation in TP53 and ATRX in a child with genomically aberrant AT/RT and her mother with anaplastic astrocytoma

M. Nykter, M. Annala, H. Haapasalo, 2018, Cold Spring Harbor molecular case studies.

CDKN2/p16 Predicts Survival in Oligodendrogliomas: Comparison with Astrocytomas

J. Kononen, J. Isola, H. Alho, 1999, Journal of Neuro-Oncology.

The incidence of chronic subdural hematomas from 1990 to 2015 in a defined Finnish population.

G. Iverson, J. Öhman, H. Huhtala, 2020, Journal of neurosurgery.

PTPRD and CNTNAP2 as markers of tumor aggressiveness in oligodendrogliomas

M. Nykter, O. Yli-Harja, K. Pajtler, 2022, Scientific Reports.

Accumulation of genetic changes is associated with poor prognosis in grade II astrocytomas.

J. Kononen, J. Isola, H. Haapasalo, 1997, The American journal of pathology.

Aberrant DNA methylation distorts developmental trajectories in atypical teratoid/rhabdoid tumors

Minna, M. Nykter, J. Kesseli, 2024, Life Science Alliance.

Cyclin D1 expression in astrocytomas is associated with cell proliferation activity and patient prognosis

J. Kononen, K. Syrjäkoski, H. Haapasalo, 1999, The Journal of pathology.

Decreased expression of antioxidant enzymes is associated with aggressive features in ependymomas

H. Haapasalo, Y. Soini, V. Kinnula, 2008, Journal of Neuro-Oncology.

Antioxidant enzymes in oligodendroglial brain tumors: association with proliferation, apoptotic activity and survival

H. Haapasalo, Y. Soini, V. Kinnula, 2006, Journal of Neuro-Oncology.

Chromosome imbalances in familial gliomas detected by comparative genomic hybridization

J. Kononen, H. Haapasalo, P. Sallinen, 2000, Genes, chromosomes & cancer.

A novel low-penetrance locus for familial glioma at 15q23-q26.3.

J. Kere, V. Ollikainen, P. Onkamo, 2002, Cancer research.

Prognostication of astrocytoma patient survival by Ki‐67 (MIB‐1), PCNA, and S‐phase fraction using archival paraffin‐embedded samples

T. Visakorpi, J. Isola, H. Haapasalo, 1994, The Journal of pathology.

Comparison of three quantitation methods for PCNA immunostaining: Applicability and relation to survival in 83 astrocytic neoplasms

J. Isola, H. Haapasalo, H. Helin, 1993, The Journal of pathology.

Cancer incidence in families with multiple glioma patients

J. Isola, R. Sankila, P. Laippala, 2002, International journal of cancer.

Identification of differentially expressed genes in human gliomas by DNA microarray and tissue chip techniques.

O. Kallioniemi, J. Kononen, P. Schraml, 2000, Cancer research.

Carbonic anhydrases in meningiomas: association of endothelial carbonic anhydrase II with aggressive tumor features.

J. Pastorek, S. Pastoreková, H. Haapasalo, 2009, Journal of neurosurgery.

Long-term excess mortality after chronic subdural hematoma

G. Iverson, J. Öhman, H. Huhtala, 2020, Acta Neurochirurgica.

Chronic subdural hematoma—incidence, complications, and financial impact

G. Iverson, J. Öhman, H. Huhtala, 2020, Acta Neurochirurgica.

Integrative DNA methylation analysis of pediatric brain tumors reveals tumor type-specific developmental trajectories and epigenetic signatures of malignancy

M. Nykter, O. Yli-Harja, J. Kesseli, 2022, bioRxiv.

Is the incidence of meningiomas underestimated? A regional survey

A. Auvinen, R. Sankila, H. Haapasalo, 2008, British Journal of Cancer.

Complement activation in astrocytomas: deposition of C4d and patient outcome

H. Haapasalo, T. Paavonen, P. Helén, 2012, BMC Cancer.

Grading of diffusely infiltrating astrocytomas by quantitative histopathology, cell proliferation and image cytometric DNA analysis

H Kalimo, H. Haapasalo, H. Helin, 2000, Neuropathology and applied neurobiology.

Grading of diffusely in®ltrating astrocytomas by quantitative histopathology, cell proliferation and image cytometric DNA analysis Comparison of 133 tumours in the context of the WHO 1979 and WHO 1993 grading schemes

H. Haapasalo, H. Helin, P. Sallinen, 2000 .

Expression of peripheral-type benzodiazepine receptor and diazepam binding inhibitor in human astrocytomas: relationship to cell proliferation.

J. Kononen, H. Alho, H. Haapasalo, 1995, Cancer research.

Ultrarapid Ki-67 immunostaining in frozen section interpretation of gliomas

J. Isola, H. Haapasalo, A. Mennander, 2005, Journal of Clinical Pathology.

Analysis of p53 Tumor Suppressor Gene in Families with Multiple Glioma Patients

J. Isola, M. Matikainen, K. Syrjäkoski, 2001, Journal of Neuro-Oncology.

Desmoplastic infantile ganglioglioma: novel aspects in clinical presentation and genetics.

H. Haapasalo, K. Lönnrot, P. Helén, 2007, Surgical neurology.

Histone mRNA in‐situ hybridization in astrocytomas: a comparison with PCNA, MIB‐1 and mitoses in paraffin‐embedded material

H. Haapasalo, P. Sallinen, I. Rantala, 1998, Histopathology.

Desmoplastic infantile ganglioglioma: novel aspects in clinical presentation and genetics.

H. Haapasalo, K. Lönnrot, P. Helén, 2007, Surgical neurology.

Cyclin D1 expression in astrocytomas is associated with cell proliferation activity and patient prognosis

J. Kononen, H. Haapasalo, H. Helin, 1999, The Journal of pathology.

Peroxiredoxins and antioxidant enzymes in pilocytic astrocytomas.

A. Paetau, H. Haapasalo, Y. Soini, 2007, Clinical Neuropathology.

Previously reported CCDC26 risk variant and novel germline variants in GALNT13, AR, and MYO10 associated with familial glioma in Finland

J. Kesseli, Niko Välimäki, Ebrahim Afyounian, 2024, Scientific reports.