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At least 19 recordsLinked to original sources
PubMed2004

Classification of the inferior turbinate bones: a computed tomography study.

BACKGROUND: There are only few reports describing the texture of the inferior turbinate bone in normal and pathologic conditions. In this study, different types of human inferior turbinate bones were classified and radiological features of each type were defined. METHODS: The shape, structure and density of the inferior turbinate bones were evaluated using paranasal sinus computed tomography images of 283 patients. The cross-sectional areas of the bony part of the inferior turbinate were measured in bone windows. RESULTS: Human inferior turbinate bones were classified into four groups on the basis of different shape and structure as: Type I, lamellar; Type II, compact; Type III, combined type (compact with spongious component); Type IV, bullous. The distribution was as follows: 352 (62.19%) lamellar, 50 (8.83%) compact, 162 (28.63%) combined, and 2(0.35%) bullous type. CONCLUSION: Inferior turbinate bone is not in a uniform shape and structure. These diversities should be taken into consideration in radiological and clinical evaluation.

Adolescent↗
PubMed2003

A functional and aesthetic solution for saddle nose deformity: the use of the inferior turbinate bone.

The use of a new autologous material, the inferior turbinate bone, for nasal augmentation is presented together with surgical treatment of a 24-year-old male patient with moderately severe saddle nose deformity. In the postoperative period, no complications were observed. Photographs and three-dimensional computed tomography views obtained 13 months after the operation showed that the reconstruction area was highly free of postoperative resorption. The patient's complaints disappeared, and he was satisfied with functional and cosmetic results. Moreover, a histologic evaluation which was made to assess the depth of the glandular component showed that the inferior turbinate bone could be used over the nasal dorsum in a smoother shape, retaining its overlying soft tissue.

Adult↗
PubMed2003

Submucous electrocautery following submucous resection of turbinate bone--a rationale of surgical treatment for allergic rhinitis.

OBJECTIVE: Since the majority of the key elements such as trigeminal nerves, parasympathetic nerves, nasal glands, and blood vessels targeted by histamine and leukotrienes are found in the lamina propria of the nasal mucosa, its selective electrocautery has a rationale to improve the symptoms of allergic rhinitis with preservation of epithelial layer. To achieve the above goal, we performed the submucous electrocautery of the lamina propria (SECLP) following the submucous resection of the inferior turbinate bone (submucous turbinectomy: SMT). This paper discusses the efficacy of this procedure for the patients with persistent perennial allergic rhinitis. METHODS: An intranasal initial incision was made along the piriform aperture. The mucoperiosteum was elevated from the inferior turbinate bone followed by its complete resection. The SECLP was performed by applying a high-frequency coagulation current with a ball tip electrode, which was inserted into the mucoperiosteal sack after the completion of the SMT and was drawn forward on the medial surface of the mucoperiosteum with drawing a wavy line. We performed this surgery in 43 patients with perennial allergic rhinitis who were refractory to pharmacotherapy or were reluctant to take medicine. Symptoms, macroscopic intranasal findings, the results of allergic tests, nasal resistance, mucociliary function with saccharin, and the number of mast cells were compared pre- and postoperatively. RESULTS: The patients exhibited satisfactory improvement in symptoms only with a few crust formations. The macroscopic intranasal findings and allergic tests improved after surgery. Saccharin transport time remained normal. The number of anti-tryptase positive mast cells significantly decreased in the epithelial layer and in the superficial layer of the lamina propria of the postoperative inferior turbinate mucosa. CONCLUSION: The SECLP following the SMT is evaluated to be a useful surgical modality for allergic rhinitis with preservation of the nasal mucosal function.

Adolescent↗
PubMed1995

Frequency of radiopaque turbinate bones on lateral cephalometric radiographs.

The lateral cephalometric radiograph of an orthodontic patient demonstrated a large round radiopaque mass resembling an osteoma in the posterior maxillary sinus. Determination that this mass was simply a prominent inferior turbinate bone prompted this study to determine the frequency of visible turbinates on cephalometric radiographs. After calibration, one observer evaluated 479 pretreatment lateral cephalometric radiographs from an orthodontic/orthognathic surgery patient pool for radiopaque inferior turbinates. Ten percent of the films were reevaluated to assess intraexaminer reliability. The sample had a mean age of 23 years, range of 5 to 69 years, with a male/female ratio of 1:15. Visible inferior turbinates were observed on 76.8% of the radiographs. The frequency of visible turbinates was independent of gender, age, and film density. Clinicians should be aware of the frequency of this anatomic finding, so that patients are not subjected to unnecessary diagnostic tests.

Adolescent↗
PubMedDate not supplied

The use of lower turbinate bone grafts in the treatment of saddle nose deformities.

Saddle nose reconstruction is based on the use of support grafts to manage aesthetic and functional problems. Bone (calvarial, iliac crest, costal, nasal hump, ulnar, and heterogeneous origin), cartilage (septal, costal, heterogeneous), and synthetic materials (silicon, silastic, polyethylene) were used as support grafts. Three patients have been included in this study to define the surgical management and long-term aesthetic and functional results of patients undergoing rhinoplasty with support grafts for a saddle nose deformity. Open rhinoplasty was employed. Both the lower turbinates were excised and the bone dissected from the soft tissues in two cases and in one case, only mucosa was removed. The amount of support needed was measured by using bone wax. The bone was used shaped in layers, according to the defect, and sutured to each other by vycril suture, and wrapped around by surgicell. The graft was then inserted in its place and fixed with external prolene sutures. Results were satisfactory in both function and aesthetics. Ten to 16-month follow-ups had no complications. Saddle nose surgery basically requires the use of a support graft to repair the nasal dorsum. A lower turbinate bone graft procedure has some advantages: it is cheap and safe, it is ready to use and not time-consuming, there is no donor area and no additional donor site morbidity, and it enlarges the airway and the passage to prevent nasal airway obstruction.

Adult↗
PubMed1982

Ultrastructural changes in the nasal turbinate bones of pigs in early infection with Bordetella bronchiseptica.

The ultrastructural changes in the turbinates of young pigs killed four, seven, 14 and 28 days after intranasal inoculation (dpi) with Bordetella bronchiseptica were restricted to osteoblasts. In a few cells irregularities and evagination of the nuclear membrane were associated with enlargement of the Golgi apparatus at four dpi. By seven dpi many osteoblasts had these changes and also a dilatation of the endoplasmic reticulum while mitochondria retained normal definition: an amorphous degeneration occurred within the enlarged Golgi apparatus. These features had progressed at 14 and 28 dpi to produce shrunken osteoblasts with small, irregular nuclei, a grossly distended endoplasmic reticulum, absent or degenerate Golgi apparatus, but apparently intact mitochondria. At this stage the numbers of osteoid fibres were greatly reduced and macroscopic hypoplasia of the turbinates was observed.

Animals↗