Anatomic Variations of the Frontal Sinus

Jm, Pondé; Metzger, Patick; Amaral, Gabryella Nogueira; Machado, Marcel Autran; Prandini, Mirto Nelso

doi:10.1055/s-2003-37956

Cited by 42 publications

(45 citation statements)

References 9 publications

(4 reference statements)

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“…When compared with the literature, the study population had the lowest values of some or all diameters (Spaeth et al, 1997;Sánchez Fernández et al, 2000;Kirk et al, 2002;Pondé et al, 2003). Spaeth et al (1997) had reported definitive sizes of frontal sinus width as 27.98 mm for males and 26.39 mm for females and anteroposterior length 17.38 mm for males and 16.11 mm for females from the university hospital of Aachen, Germany.…”

Section: Discussionmentioning

confidence: 83%

“…Diameters of the sinus is important during both surgery of the frontal sinus for frontal sinus osteomas, mucocells and tumors, and surgery of the anterior cranial fossa (Colohan et al, 1985;Persing et al, 1990;Lawson, 1991;May and Schaitkin, 1995;Shanno et al, 2001;Tubbs et al, 2002;Pondé et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

“…Occasionally, it may also be necessary for the neurosurgeon who wishes to enter the anterior cranial fossa by means of a supraorbital minicraniotomy (Colohan et al, 1985;Persing et al, 1990;Shanno et al, 2001;Tubbs et al, 2002;Pondé et al, 2003). In addition, rhinologic procedures related to the frontal sinus obviously necessitate knowledge of it (Lawson, 1991;May and Schaitkin, 1995).…”

Section: Introductionmentioning

confidence: 99%

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CT study on morphometry of frontal sinus

et al. 2008

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The aim of this study was to determine the prevalence and morphological characteristics of the frontal sinus in an adult population. This study was conducted retrospectively on paranasal CT scans in the axial and coronal planes of 300 cases (123 male and 177 female). The mean age was 40.74 +/- 13.34 (range 20-83). Measurements of the width, height and anteroposterior length for each sinus and total width were obtained from CT scans. Measurements were compared statistically with relation to side and sex. The cases were divided into subgroups according to age for each sex and each measurement parameter was also compared among the subgroups. All measurements tended to be larger on the left side and were significantly larger in males than females. There was a significant difference in the anteroposterior lengths of right and left sides in both males and females and height for males and width for females. In both sexes, the highest values of measurements were usually observed at the 31-40 age group and there was a tendency to decrease with aging. The larger diameters of the left frontal sinus imply that it may be more possibly violated during surgical interventions. Morphometric features differed significantly in the two sexes at different ages and comparison with previous studies presented great regional variability. The size of the frontal sinus was seen to be related to age and sex. The knowledge provided in the present study is useful for some surgical procedures and widens the anthropometric knowledge of humanity.

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Section: Discussionmentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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CT study on morphometry of frontal sinus

et al. 2008

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“…Bu teknik avantajların yanında yaşayan bireylerde farklı klinik endikasyonlar ile yüksek sayılarda uygulanan BT görüntülerinin, popülasyon verilerinin oluşturulması için antropometrik çalışmalar için önemli bir kaynak olduğunu düşünüyoruz. Yaşayan bireylerin BT analiz verilerine dayanan morfometrik çalışmalar hem modern toplumların verilerini ortaya koyması hem de buluntu kemiklerin incelenmesi için önerilebilir ve bu konuda giderek artan sayıda çalış-malar mevcuttur (15)(16)(17)(18)(19)(20)(21)(22)(23)(24).…”

Section: Discussionunclassified

“…Kimliklendirme çalışmalarında frontal sinüsün radyografik incelemesinde sıklıkla uygulanan direkt grafilerin yanında son yıllarda bilgisayarlı tomografi (BT) kullanımı başarılı bir yöntem olarak kabul görmektedir (15)(16)(17)(18)(19).…”

Section: Introductionunclassified

Bilgisayarlı Tomografi ile Frontal Sinüs Morfometrik Analizinin Cinsiyet Belirlenmesinde Kullanımı

Ekizoğlu¹,

Hocaoğlu²,

İnci³

2017

Bull Leg Med

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ÖzetAmaç: Bu çalışmanın amacı, frontal sinüs boyutlarının bilgisayarlı tomografi ile yapılan ölçüm sonuçlarının, cinsiyetin belirlemesinde yararlılığını değerlendirmektir.Gereç ve Yöntem: Çalışmaya Bakırköy Dr. Sadi Konuk Eğitim ve Araştırma Hastanesi'nde maksillofasiyal bilgisayarlı tomografi çekimi yapılan olgular dahil edildi. Transvers çapları (genişlik; RT ve LT) eksensel görüntülerden, ön-arka (derinlik; RAP ve LAP) ve sefalo-kaudal çaplardan (yükseklik; RH ve LH) sagital yeniden biçimlendirilmiş gö-rüntülerden ölçüldü. Hem sol hem de sağ frontal sinüsler için ölçümler yapıldı. Her iki taraf frontal sinüs boyutu bu parametreler kullanılarak elde edildi. Değerler bağımsız t testi ile., değişkenler diskriminant fonksiyon analizi ile değerlendirildi.Bulgular: Çalışma için 400 olgu değerlendirildi (200 erkek 200 kadın, ortalama yaş: 44 ± 18.0) Sol ve sağ ölçümlerin tüm değerleri cinsiyete göre anlamlı fark gösterdi. Erkekler, kadınlara kıyasla belirgin artmış bir ölçüm değeri taşıyordu. (p <0.001) Tekli diskriminasyon analizinde en düşük doğruluk oranı erkeklerde LH için %55.5, kadın-larda RT için %59.5 idi. Kadınlarda LAP (%77.5) ve RAP (%77) ve erkeklerde LAP (%69) en yüksek doğruluk oranlarına sahipti. Yalnızca RAP ve LAP değerleri eklendiğinde diskriminasyon analizinde doğ-ruluk oranı kadınlarda %77.5, erkeklerde %70.5 olarak tespit edildi. Aşamalı diskriminasyon analizinde ölçülen değerlerin hepsi dahil edildiğinde, doğruluk oranı kadınlarda %80.5, erkeklerde %71.5 olarak tespit edildi.Sonuç: Özellikle çok kültürlü toplumlarda frontal sinüs morfometrik çalışmaları kimliklendirme araştırmaları için önemli veriler sağ-layabilir. Veriler, adli tıp uzmanları ve antropologların yanı sıra ilgili anatomik yapılarda endoskopik ve cerrahi işlemler gerçekleştiren kraniyofasiyal cerrahlar ve diş hekimleri için de yararlı olacaktır.Anahtar Kelimeler: Frontal Sinüs; Cinsiyet Tayini; Bilgisayarlı Tomografi.. AbstractObjective: The aim of this study is to evaluate usefulness of results of measurements via computerized tomography of frontal sinus dimensions in sex determination. Materials and methods:In Bakırköy Training and Research Hospital, subjects who had performed maxillofacial computed tomography were included. Transvers diameters (width) were measured from axial images and anterior-posterior (depth) and cephalo-caudal diameters (height) were measured from sagittal reformatted images. Measurements were taken for both left and right frontal sinuses. The size of frontal sinuses on both sides were obtained using these parameters. These values were evaluated with independent t test. The variables were evaluated discrimination function analysis Results: 400 subjects were evaluated (200 males and 200 females) for the study (female/male: 200/200, mean age: 30.12 ± 10.2 years of age). All values for left and right transvers, cephalo-caudal and antero-posterior measurements showed significant differences between the sexes of the subjects. Males had significant increased values than females (p<0.001). In single discriminati...

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Variation, sexual dimorphism, and enlargement of the frontal sinus with age in adult South Africans

Greening,

Hernandez,

Mongle

et al. 2024

American Journal of Biological Anthropology

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ObjectivesTo document frontal sinus volume (FSV) in a sample of sub‐Saharan Africans with a view to evaluating claims that such populations exhibit comparatively small sinuses. This study also addresses questions related to sexual dimorphism, incidence of sinus aplasia, and the possibility that FSV continues to increase through adulthood.Materials and methodsFSV was measured from CT scans of adult crania from the Dart Collection. Sex and age were known for each individual. Linear cranial dimensions were used to compute a geometric mean from which a scaled FSV was computed for each cranium.ResultsFSV does not differ significantly between sexes, but females exhibit a higher incidence of aplasia. There is considerable variation in FSV in this sample, with the average ranking among the higher means reported for other population samples. The incidence of FS aplasia falls within the range of values recorded for other population samples. Although our study is cross‐sectional rather than longitudinal, there is strong evidence that FSV continues to increase with age throughout adulthood.DiscussionThe FSV mean of our sample contradicts the notion that sub‐Saharan Africans possess small sinuses. In a global context, geography (climate and altitude) does not appear to be related to FSV. The absence of sexual dimorphism in our sample is unexpected, as significant dimorphism has been reported for most other population samples. Our results support other indications that the frontal sinus continues to expand throughout adulthood, especially in females, and that it is likely due to bone resorption.

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Anatomic Variations of the Frontal Sinus

Abstract: Knowledge of the anatomic variations of the frontal sinus is important in surgical approaches through the superciliary arc in order to avoid complications such as infections and CSF fistula.

Cited by 42 publications

References 9 publications

CT study on morphometry of frontal sinus

CT study on morphometry of frontal sinus

Bilgisayarlı Tomografi ile Frontal Sinüs Morfometrik Analizinin Cinsiyet Belirlenmesinde Kullanımı

Variation, sexual dimorphism, and enlargement of the frontal sinus with age in adult South Africans

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