Ilkka Helenius

High Spinal Cord Injury After a Minor Fall in a 23‐Month‐Old Girl With Atlantoaxial Instability Associated With Morquio Type A: A Case Report (2026)

Case reports in surgery

Kryssi, Verneri; Syvänen, Johanna; Helenius, Linda; Raitio, Arimatias; Helenius, Ilkka

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

Prevalence, risk factors and mortality associated with colonic atresia: a population-based case-control study (2026)

Pediatric Surgery International

Kankaristo, Roni; Helenius, Ilkka; Heiskanen, Susanna; Syvänen, Johanna; Kemppainen, Teemu; Löyttyniemi, Eliisa; Gissler, Mika; Raitio, Arimatias

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

Population-Based Analysis of Prevalence, Associated Anomalies, and Mortality in Anorectal Malformations in Finland (2004—2017) (2026)

European Journal of Pediatric Surgery

Salminen, Alexander; Tötterman, Sandra; Helenius, Ilkka; Heiskanen, Susanna; Syvänen, Johanna; Kemppainen, Teemu; Löyttyniemi, Eliisa; Gissler, Mika; Raitio, Arimatias

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

i-Factor bone graft compared with allograft in spinal fusion for adolescent idiopathic scoliosis: a preliminary comparative study (2026)

Journal of Pediatric Orthopaedics B

Saarinen, Antti J.; Frantzén, Aron; Ahonen, Matti; Helenius, Ilkka

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

Editorial: Improving the reporting and sound methodology of scientific articles: introduction of an editorial series (2026)

Acta Orthopaedica

Overgaard, Søren; Christensen, Robin; Rogmark, Cecilia; Rasmussen, Jeppe Vejlgaard; Hvid, Ivan; Westberg, Marianne; Helenius, Ilkka; Mäkelä, Keijo; Gosens, Taco; Randsborg, Per-Henrik; Pijls, Bart G; Gerdhem, Paul; Wagner, Philippe; Felländer-Tsai, Li; Reito, Aleksi

(B1 Vertaisarvioitu muu artikkeli (esim. pääkirjoitus, letter, comment) tieteellisessä lehdessä)

Mechanical axial instability of segmental pedicle screw instrumentation for adolescent idiopathic scoliosis: a retrospective cohort study of tulip screw versus dual locking cup instrumentation (2025)

Acta Orthopaedica

Frantzén, Aron; Saarinen, Antti; Suominen, Eetu; Ahonen, Matti; Helenius, Ilkka

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

Pelvic vs Lumbar Fusion in Neuromuscular Scoliosis - A Systematic Review (2025)

Global Spine Journal

Soini, Venla; Karkkola, Sini; Raitio, Arimatias, Syvänen, Johanna; Helenius, Ilkka

(A2 Vertaisarvioitu katsausartikkeli tieteellisessä lehdessä)

Answer to Letter to the Editor of C. Lu, et al. concerning “Mortality for pneumonia and risk of pneumonia in children with cerebral palsy treated with and without surgery” by M. Ahonen, et al. (Eur Spine J [2025]; doi: 10.1007/s00586-025-09625-y) (2025)

European Spine Journal

Ahonen, Matti; Jeglinsky-Kankainen, Ira; Gissler, Mika; Helenius, Ilkka

(B1 Vertaisarvioimaton kirjoitus tieteellisessä lehdessä )

Traditional versus magnetically controlled growing rods for idiopathic early-onset scoliosis: outcomes at 5-year follow-up (2025)

Spine Journal

Saarinen, Antti J.; Flynn, John M.; Thompson, George H.; Emans, John B.; Sturm, Peter F.; Sponseller, Paul D.; Helenius, Ilkka J.; Pediatric Spine Study Group

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

Health-related quality of life in syndromic scoliosis treated by segmental pedicle screw instrumentation: a case-control study (2025)

Acta Orthopaedica

Sallinen, Henri; Saarinen, Antti; Raitio, Arimatias; Ahonen, Matti; Helenius, Ilkka

(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )

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High Spinal Cord Injury After a Minor Fall in a 23‐Month‐Old Girl With Atlantoaxial Instability Associated With Morquio Type A: A Case Report (2026)

Prevalence, risk factors and mortality associated with colonic atresia: a population-based case-control study (2026)

Population-Based Analysis of Prevalence, Associated Anomalies, and Mortality in Anorectal Malformations in Finland (2004—2017) (2026)

i-Factor bone graft compared with allograft in spinal fusion for adolescent idiopathic scoliosis: a preliminary comparative study (2026)

Editorial: Improving the reporting and sound methodology of scientific articles: introduction of an editorial series (2026)

Mechanical axial instability of segmental pedicle screw instrumentation for adolescent idiopathic scoliosis: a retrospective cohort study of tulip screw versus dual locking cup instrumentation (2025)

Pelvic vs Lumbar Fusion in Neuromuscular Scoliosis - A Systematic Review (2025)

Answer to Letter to the Editor of C. Lu, et al. concerning “Mortality for pneumonia and risk of pneumonia in children with cerebral palsy treated with and without surgery” by M. Ahonen, et al. (Eur Spine J [2025]; doi: 10.1007/s00586-025-09625-y) (2025)

Traditional versus magnetically controlled growing rods for idiopathic early-onset scoliosis: outcomes at 5-year follow-up (2025)

Health-related quality of life in syndromic scoliosis treated by segmental pedicle screw instrumentation: a case-control study (2025)