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8 Possible Causes for Absent or Small Frontal Sinus

  • Mulibrey Nanism Syndrome

    Radiological findings: Cerebral: J-shaped sella turcica, absent or small frontal sinus, absent or small sphenoidal sinus Skeletal: slender long bones with thick cortex and[atlasgeneticsoncology.org]

  • Cleidocranial Dysplasia

    Shortened or absent nasal bones, paranasal sinus abnormalities, small maxilla and delayed union of mandibular symphysis are less common findings of CCD.[joomr.org] Nearly all our cases showed frontal and parietal bossing, hypertelorism, broad nasal bridge whereas phalangeal abnormalities were seen in only one case.[joomr.org] Other findings include short stature, bell-shaped thorax, hypertelorism, hypoplasia of pelvis, frontal and parietal bossing, and phalangeal abnormalities.[joomr.org]

  • Frontal Sinusitis

    Approximately 5% of people have absent frontal sinuses. [3] Function [ edit ] Through its copious mucus production, the sinus is an essential part of the immune defense/air[en.wikipedia.org] , the frontal sinuses are small or absent [ 8 - 10 ].[medsci.org] Sinus development begins in the womb, the maxillary and ethmoid sinuses are present at birth. Sphenoidal sinuses are present at birth as well but are very small.[en.wikipedia.org]

  • Stickler Syndrome Type 2

    Of the three abnormal cases, in one the frontal sinus was absent; in another it was small and, in contrast, large in the third.[jmg.bmj.com] Four were normal (normal calvaria and frontal sinuses).[jmg.bmj.com]

  • Stickler Syndrome

    Of the three abnormal cases, in one the frontal sinus was absent; in another it was small and, in contrast, large in the third.[jmg.bmj.com] Four were normal (normal calvaria and frontal sinuses).[jmg.bmj.com]

  • Uterine Cervical Aplasia and Agenesis

    , the frontal sinuses are small or absent [ 8 - 10 ].[medsci.org] There is a direct relationship between the mechanical stresses of mastication and frontal sinus enlargement [ 8 , 28 , 29 ] and if there is persistence of a metopic suture[medsci.org]

  • Agenesis or Aplasia of Uterine Body

    , the frontal sinuses are small or absent [ 8 - 10 ].[medsci.org] There is a direct relationship between the mechanical stresses of mastication and frontal sinus enlargement [ 8 , 28 , 29 ] and if there is persistence of a metopic suture[medsci.org]

  • Stickler Syndrome Type 3

    Of the three abnormal cases, in one the frontal sinus was absent; in another it was small and, in contrast, large in the third.[jmg.bmj.com] Four were normal (normal calvaria and frontal sinuses).[jmg.bmj.com]

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