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Osteomas are among the most common benign tumors of the paranasal sinuses. Symptomatic osteomas are most often found in the frontal recess and the frontal sinus. While the extranasal approach is still a part of the treatment concept for removing osteomas at this localization, over the last years the endoscopically controlled endonasal approach has greatly gained in importance due to the improved surgical equipment. We retrospectively analyzed the surgical indication, surgical approach and outcome of the removal of osteomas of the frontal recess and the frontal sinus performed at our hospital between 1996 and 2010. The exact surgical technique, intra- and postoperative complications, the duration of the hospital stay and the follow-up and subjective contentment of the patients were evaluated. With a total of 24 patients being included, the study comprises one of the largest groups of patients with osteomas of the frontal recess and sinus. Over the study period, the frequency of the endoscopic approach clearly increased. Previously suggested guidelines for the endoscopic resection of a frontal sinus osteoma turned out to be superseded. Endoscopically controlled resection even of large, adversely located osteomas of the frontal recess and the frontal sinus is becoming increasingly possible, but is still naturally limited by the individual anatomic conditions and the need for experienced surgeons.
Department of Otorhinolaryngology, Head and Neck Surgery, Ludwig-Maximilians-University Munich, Marchioninistr. 15, 81377, Munich, Germany, firstname.lastname@example.org.
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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.
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 recess on each side in the wall of the HYPOPHARYNX.
An intracranial or rarely intraspinal suppurative process invading the space between the inner surface of the DURA MATER and the outer surface of the ARACHNOID. Bacteria and other pathogenic organisms may gain entrance to the subdural space from the FRONTAL SINUS; ETHMOID SINUS; middle ear (EAR, MIDDLE); MASTOID; or as the result of CRANIOCEREBRAL TRAUMA or NEUROSURGICAL PROCEDURES. This condition may be associated with intracranial sinus thrombosis (SINUS THROMBOSIS, INTRACRANIAL). Circumscribed collections of purulent material in the subdural space are referred to as subdural abscesses. (From Adams et al., Principles of Neurology, 6th ed, p709)