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Purpose This study was conducted to evaluate outcomes in patients presenting with fungus ball of the maxillary sinus (MSFB) and frontal sinusitis who were treated via middle meatal antrostomy alone. Methods This was a randomized, controlled study with a parallel group design. Patients with MSFB and frontal sinusitis were randomly assigned to the maxillary middle meatal antrostomy (MMMA) or control (MMMA + frontal sinusotomy) groups. Patient demographics, complaints, imaging findings were analyzed, and surgical outcomes were evaluated using the Lund–Kennedy endoscopic score (LKES) and the 22-item Sino-Nasal Outcome Test (SNOT-22) questionnaire. Results In total, 40 patients were separated into two groups, with similar symptoms including nasal obstruction, mucopurulent rhinorrhea, maxillary or frontal pain, blood stained nasal discharge, nasal cacosmia and orbital pain being observed in both groups. Total LKES and SNOT-22 scores were significantly improved in both groups at 6 months post-treatment, with no significant differences in these scores between groups within a mean 6.8-month follow-up. Conclusion These results suggest that frontal sinusotomy is not required to resolve frontal sinusitis associated with MSFB. As such frontal sinusitis appears to be a reactive process caused by fungal ball obstruction, it regresses spontaneously following fungus ball removal, drainage of the maxillary sinus, and middle meatal antrostomy.

Frontal sinus obliteration is often performed using fat, autologous bone or a range of synthetic materials. This paper reports the long-term clinical and radiological outcomes of frontal sinus obliteration using beta-tricalcium phosphate putty. A retrospective audit was performed of patients who underwent frontal sinus obliteration with beta-tricalcium phosphate putty. Patient-, disease- and procedure-related data were collected. Pre- and post-operative computed tomography scans were reviewed to assess bone integration. Four patients underwent frontal sinus obliteration using beta-tricalcium phosphate putty for treatment of a cerebrospinal leak, mucocele and recalcitrant frontal sinusitis. All patients had disease resolution, with no intra- or post-operative complications reported in the 16.5-month follow up. Post-operative computed tomography scans confirmed native bone obliteration of the frontonasal ducts in all patients. Beta-tricalcium phosphate putty is a safe and effective option for bone obliteration of the frontal sinus in a range of pathologies, including cerebrospinal fluid leak.

Objective To examine the clinical effects of revision endoscopic frontal sinus surgery (RESS) through modified agger nasi (MAN)–middle turbinate resection on refractory chronic rhinosinusitis (CRS). Methods We reviewed 156 patients who were treated for refractory CRS from February 2012 to August 2014. These patients had been diagnosed with refractory CRS by computed tomography and endoscopy and had received several surgical and medical treatments in the past, but their condition had not been cured. They were divided into the observation group (RESS through MAN–middle turbinate resection, n = 78) and the control group (endoscopic sinus surgery, n = 78). Complete or partial control of the patient’s symptoms and signs suggested that the treatment was effective, and no improvement in the symptoms and signs indicated that the treatment was ineffective. Results The 6-month treatment efficacy rate was significantly higher in the observation group (91.03%) than in the control group (71.79%). The observation group had a significantly lower complication rate (7.69%) and recurrence rate (3.85%) than the control group (17.95% and 12.82%, respectively). Conclusion RESS through MAN–middle turbinate resection together with adequate perioperative preparation has a significant effect on the outcome of refractory CRS and is worthy of clinical promotion.

•Pott's puffy tumor has become a rare condition in developed countries because of widespread use of antibiotics.•A progressive forehead swelling with a history of frontal sinusitis may lead to the diagnosis.•Agressive management with intravenous antibiotics and surgical debridement is recommended. In this report, we describe an uncommon presentation of a Pott's puffy tumor, which is defined as a subperiosteal abscess related to a chronic frontal sinusitis. This condition has become rare in our part of the world because of the widespread use of antibiotics. Clinical history, investigations, and management are presented.

This study aimed to radiologically evaluate the influence of inflammatory changes in frontal recess cells on frontal sinusitis. A total of 93 patients (186 sides) who underwent primary sinonasal surgery at Hyogo College of Medicine were enrolled in 2015 and 2016. Opacification of agger nasi, fronto-ethmoidal, ethmoid bulla, suprabullar and frontal bulla cells was determined by pre-operative computed tomography and its influence on frontal sinusitis was investigated. In all, 42 per cent of 186 sides were affected by frontal sinusitis. Agger nasi, ethmoid bulla, fronto-ethmoidal, suprabullar and frontal bulla cells were identified in 99 per cent, 100 per cent, 38 per cent, 69 per cent, and 16 per cent of sides, respectively. The presence of frontal recess cells and frontal ostium size did not significantly influence frontal sinusitis development. However, opacification of agger nasi, type 1 fronto-ethmoidal and suprabullar cells significantly influenced frontal sinusitis development. Frontal sinusitis is caused by inflammatory changes in frontal recess cells.

Objectives: This study assesses the safety and effectiveness of balloon catheters used as instruments in sinus surgery in a “real-world” multicenter registry of 1,036 patients across 27 US otolaryngology practices. Methods: Data were collected by standardized chart review with centralized database administration for all consecutive functional endoscopic sinus surgeries that included the use of balloon catheters across the 18-month time period from December 2005 to May 2007. Results: Balloon catheters were used in 3,276 peripheral (maxillary, frontal, and sphenoid) sinuses, for an average of 3.2 sinuses per patient. There were no major adverse events related to the use of balloon catheter instruments. The revision rate was 1.3% of sinuses treated with a balloon catheter after an average follow-up of 40.2 weeks. Sinus symptoms were improved in 95.2%, unchanged in 3.8%, and worse in 1.0% of patients. Postoperative sinus infections were significantly less frequent and less severe compared to infections before surgery. The results were consistent across all patient categories, including balloon-only patients and revision patients. Conclusions: Use of balloon catheters as instruments in sinus surgery appears to be relatively safe and effective and to improve the patient's quality of life. The results are consistent and generalizable across a wide range of sinusitis patients and physician practices. The complication rates, revision rates, and patient symptom improvement rates all compare favorably with previously reported results of functional endoscopic sinus surgery.

The endoscopic modified Lothrop procedure is mainly used for refractory frontal sinusitis. However, we have used it as an access procedure to facilitate treatment for an extended range of additional frontal sinus pathologies. A retrospective review of patients who underwent the endoscopic modified Lothrop procedure for 'alternative' frontal sinus pathologies was conducted. Patient data were reviewed. The main outcome parameter measured was signs of recurrence. Twelve patients (6 males, 6 females) from a 7-year study period, with a mean age of 45.2 years (range, 16-78 years), were analysed. The surgical indications included frontoethmoidal mucoceles, cerebrospinal fluid leaks within the frontal sinus, cystic fibrosis, frontal sinus osteoma, frontal sinus ossifying fibroma and frontal silent sinus syndrome. The mean follow-up period was 33.3 months. There were no known recurrences. We have used the endoscopic modified Lothrop procedure for a range of frontal sinus pathologies, safely and effectively, with no peri-operative complications.

To present the first report of a giant frontal sinus osteoma treated by excision and single-stage reconstruction with custom-made titanium cranioplasty and left orbital roof prostheses. A 31-year-old man with a history of chronic frontal sinusitis presented with a deforming, painless, midline forehead swelling of 11 years' duration, which had been treated unsuccessfully in Nigeria. Differential diagnosis included both benign and malignant bony tumours. Computerised tomography revealed a giant bony frontal sinus tumour extending beyond the sinus roof and breaching the left orbit, consistent with fibrous dysplasia. Given the extent of the tumour, open craniectomy was performed for surgical extirpation. Histological analysis identified multiple osteomas. This surgical approach achieved excellent cosmesis, with no evidence of recurrence at 12-month follow up. Forehead swelling may pose diagnostic and management dilemmas for the ENT surgeon; however, effective management is facilitated by a multidisciplinary approach.

Background Although concha bullosa (CB) is the most common variants of the middle turbinate, mucocele of CB is uncommon. Furthermore, CB mucocele with orbital invasion and secondary frontal sinusitis has not been reported previously. Case presentation A 42-year-old Korean male presented with gradually progressive proptosis of right eye and right-sided frontal headache. He had previously undergone endoscopic sinus surgery (ESS) 15 and 9 years ago. The endoscopic examination showed an expansive, large middle turbinate with normal mucosa filled the majority of right nasal cavity and displaced the septum to the left. A computed tomography and magnetic resonance imaging showed a well demarcated cystic huge mass at right nasal cavity extending to ethmoid sinus and orbit. The mass caused a bony defect on the lamina papyracea and displaced medial rectus muscle and orbit laterally. Moreover, the right frontal and ethmoid sinus was totally opacified. This article reports orbital invasion and frontal sinusitis complicating a CB mucocele, which was successfully treated by endoscopic resection of the lateral wall of CB and frontal sinusotomy. Conclusions This case illustrates that CB mucocele could develop to such a massive extent that it leads to orbital complication and secondary frontal sinusitis. Therefore, we consider this entity in the differential diagnosis of orbital complications and secondary sinusitis caused by intranasal mass.

[...]in cases with polyps obstructing the sinus ostia, if a hybrid procedure employing both microdebrider resection and balloon dilation is performed, a satisfactory sinus outflow tract can be obtained with good ventilation and drainage.