Background: The aim of this study was to evaluate the styloid process (SP) length in the normal population using multidetector computed tomography (MDCT (Folia Morphol 2013; 72, 4: 318-321)
The findings are contrary to the conventional knowledge in that the vertebrae shaping the coccyx were completely fused and consisting of a single bone in very few cases. Better understanding of the anatomical variation of the coccyx may be useful for clinicians evaluating patients presenting with conditions in the coccygeal region.
Iatrogenic deformities due to surgery and pathologies ignored during primary surgery may cause persistent/recurrent nasal obstruction after primary septoplasty. A detailed physical examination and objective tests showing the site of nasal obstruction, an extensive surgical plan that covers all diagnosed pathologies, and a careful postoperative care must be undertaken to prevent undesired postoperative results.
SUMMARY:The sinonasal region in humans is one of the regions that commonly shows anatomical variations. These variations can be easily diagnosed by paranasal CT evaluation. One of these variations is Crista galli pneumatization. In recent years, there have been opinions supporting the hypothesis that pneumatization originates from the frontal sinus. In this study, we planned to evaluate whether the presence of Crista galli pneumatization varied in pre-adult and adult periods. In this retrospectively designed study, 218 coronal paranasal CT images collected between 2012 and 2013 were evaluated. Patients were divided into two groups according to age under or over 18 years. In the group under the age of 18 (97 cases), pneumatization was detected in 2.1 % of samples, while in the group over the age of 18 (121 cases), crista galli pneumatization was observed in 15.7 % of samples. According to these results, crista galli pneumatization was found to increase in adulthood. Considering that the frontal sinus is in a rudimentary state at birth, it is radiographically detected first at 6 years of age, and reaches its main size in puberty, this increase in pneumatization runs parallel to the development of the frontal sinus. Consequently, this supports the opinion that crista galli pneumatization originates from the frontal sinus.
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