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Objective:Precise delineation of the extent of frontal sinus pneumatisation is a crucial step in osteoplastic flap frontal sinus surgery. The authors present a novel method of achieving this objective.Methods:First, models of the frontal area are generated using three-dimensional printing based on pre-operative computed tomography image data. These models are then used to create an onlay template of the frontal sinus, which is used intra-operatively.Results:In a series of 10 patients undergoing osteoplastic flap frontal sinus surgery, the described frontal sinus templates were consistently accurate to within 1 mm.Conclusion:Frontal sinus templates are potentially useful adjuncts to current techniques employed to guide frontal sinus surgery.
Otolaryngology Department, Nottingham University Hospitals, UK.
This article was published in the following journal.
Name: The Journal of laryngology and otology
Frontal sinus cerebrospinal fluid leaks are rare and their surgical management is difficult. Up until recently, they could only be treated by open surgery with an osteoplastic flap. With the developme...
There is no study in the literature that investigates an asymmetric morphological feature of the frontal sinus (FS).
As a unique anatomical feature of the human body, the frontal sinus morphology has been used for identification of unknown bodies with many techniques, mostly using 2D postero-anterior X-rays. With th...
Frontal sinus pattern matching is a useful means of forensic identification. By the use of radiographs forensic scientists have recognized that there are diverse anatomical variations in the structure...
Frontal sinus fractures (FSF) are relatively uncommon maxillofacial injuries. The most common cause of FSF is motor vehicle accidents with 62% percentage. Management of FSF depends on type of fracture...
The objective of the PROGRESS Study is to assess the safety and efficacy of the Propel Mini steroid-eluting Sinus Implant when placed in the frontal sinus opening following frontal sinus s...
The investigators think, that the treatment of Sinus pilonidalis with excision and covering of the defect with a Limberg-flap is a very good treatment option. The investigators are introdu...
Background. Limberg flap, one of the recently being popularized off-midline closure techniques, is widely performed for the treatment of sacrococcygeal pilonidal sinus; however, recurrence...
The aim of this Post Market Clinical Follow-up Study is to collect clinical data on the performance of Lyoplant® Onlay. To assess the performance of the product, various safety and effica...
A staging system was defined based on morphological extent of disease (stage I to stage IV for primary disease, and stage R for recurrent disease). Specific surgical technique was used for...
Air-filled spaces located within the bones around the NASAL CAVITY. They are extensions of the nasal cavity and lined by the ciliated NASAL MUCOSA. Each sinus is named for the cranial bone in which it is located, such as the ETHMOID SINUS; the FRONTAL SINUS; the MAXILLARY SINUS; and the SPHENOID SINUS.
Endonucleases that remove 5' DNA sequences from a DNA structure called a DNA flap. The DNA flap structure occurs in double-stranded DNA containing a single-stranded break where the 5' portion of the downstream strand is too long and overlaps the 3' end of the upstream strand. Flap endonucleases cleave the downstream strand of the overlap flap structure precisely after the first base-paired nucleotide, creating a ligatable nick.
One of the paired, but seldom symmetrical, air spaces located between the inner and outer compact layers of the FRONTAL BONE in the forehead.
Inflammation of the NASAL MUCOSA in the FRONTAL SINUS. In many cases, it is caused by an infection of the bacteria STREPTOCOCCUS PNEUMONIAE or HAEMOPHILUS INFLUENZAE.
A surgical procedure to correct MYOPIA by CORNEAL STROMA subtraction. It involves the use of a microkeratome to make a lamellar dissection of the CORNEA creating a flap with intact CORNEAL EPITHELIUM. After the flap is lifted, the underlying midstroma is reshaped with an EXCIMER LASER and the flap is returned to its original position.