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Sinusitis

Sinusitis (Volume 3, Issue 3 - 2018 was published with Sinusitis and Asthma) is a peer-reviewed, open access journal which focuses on medical research about sinusitis, and is published semiannually online by MDPI.

All Articles (88)

Previous evidence indicates that the endoscopic approach is the gold standard treatment for sinonasal inverted papillomata (IP). Our objectives were to evaluate the rate of complications and recurrence of IP after management using image-guided endoscopic techniques. This retrospective cohort included patients who underwent tumour resection between 2011 and 2022 in a single sinus-surgery-dedicated centre. In total, 40 patients were treated for IP using endoscopic techniques. The most common site for IP was the maxillary sinus (35%). Cases were managed endoscopically, with 30% having a medial maxillectomy and 15% managed by Draf IIb/III. The rate of complications was 5%, which included 1 case of intra-operative cerebrospinal fluid leak and 1 case with facial numbness. A total of 21 cases had a recurrence—6 (27%) out of the total of 22 primary cases and 15 (83%) out of the total of 18 secondary cases. The difference between the two groups was statistically significant c2(1) = 12.48 and p = 0.0004. The odds ratio was 13.33 (confidence interval, CI 95%: 2.82 to 63.12) with a relative risk of 3.06 (CI 95%: 1.50–6.24). This highlights that the risk and rate of recurrence are higher in secondary cases. As a possible explanation for the results could be that secondary cases were operated by a non-rhinologist ENT (Ears, Nose, and Throat) surgeon. Our results demonstrate that cases operated by a non-rhinologist at first presentation have higher recurrence rates even once a rhinologist was able to manage them. Therefore, IPs managed by a fellowship-trained rhinologist may have superior outcomes in terms of recurrence.

6 November 2025

Gold-standard patient pathway recommended for sinonasal tumours. * Contraindications to this are bleeding disorders, anticoagulation, and lesions breaching the skull bases or arising from intracranial space.
  • Case Report
  • Open Access

Pott’s Puffy Tumor: Two-Case Series and Contemporary Management Approach

  • Mert Burak Koci,
  • Onur Belen and
  • Gözde Orhan Kubat

Pott’s Puffy Tumor (PPT) is a rare but potentially life-threatening complication of frontal sinusitis, characterized by subperiosteal abscess formation and frontal bone osteomyelitis. Although predominantly seen in adolescents, adult cases are increasingly recognized. Early diagnosis is essential to prevent severe orbital and intracranial sequelae. We present two patients with distinct clinical features: a 31-year-old female with chronic frontal sinusitis complicated by sequestrated bone extrusion through a cutaneous fistula, and a 16-year-old male with an acute presentation of subperiosteal abscess, nasal polyp-related obstruction of the osteomeatal complex (OMC), and orbital cellulitis. Both patients underwent combined surgical and medical management, including broad-spectrum intravenous antibiotics, functional endoscopic sinus surgery, and external drainage. In the adult, necrotic bone was excised, and the anterior frontal wall was reconstructed with titanium mesh to restore sinus anatomy and drainage, while in the adolescent, early abscess drainage and polyp removal ensured frontal recess patency and prevented osteomyelitis. Postoperative follow-up demonstrated complete resolution without recurrence. These cases highlight that PPT can occur in both acute and chronic settings of chronic rhinosinusitis with nasal polyps, emphasizing the importance of prompt imaging, multidisciplinary evaluation, and individualized surgical strategies to optimize outcomes and minimize life-threatening complications.

3 November 2025

Pre-operative patient images of the first case. (a) Oblique view showing sequestrated frontal bone fragments extruding through a cutaneous fistula. (b) Frontal view showing purulent discharge and bone exposure.
  • Case Report
  • Open Access

The Unseen Threat: Paediatric MRSA Acute Rhinosinusitis Leading to Orbital Complication

  • Farid Syamil Ramli,
  • Anna Fariza Jumaat and
  • Farah Dayana Zahedi

Acute rhinosinusitis in children is typically caused by viral or bacterial infections. However, methicillin-resistant Staphylococcus aureus (MRSA) is increasingly linked to recurrence and severe complications, including orbital involvement. We present a case of a 6-year-old boy with periorbital swelling, proptosis, and fever following upper respiratory symptoms. Imaging revealed pansinusitis with a subperiosteal orbital abscess. He was treated empirically with intravenous ceftriaxone and metronidazole, followed by endoscopic sinus surgery. Intraoperative cultures confirmed MRSA, leading to a switch to vancomycin. The patient recovered fully without complications. This case illustrates the clinical challenges posed by MRSA sinusitis and emphasises its public health implications. Integrating antimicrobial stewardship, promoting community hygiene, ensuring early diagnostics and healthcare access, and enhancing epidemiological surveillance can play a pivotal role in reducing the burden of MRSA-related complications in children.

16 October 2025

Initial presentation with proptosis of the left eye, periorbital swelling, erythema.
  • Communication
  • Open Access

This retrospective study reviews the clinical features, computed tomography (CT) findings, complications and outcomes of horses with skull fractures involving the facial bones. Medical records from the Royal Veterinary College, Hatfield, United Kingdom, and the Universidad Complutense, Madrid, Spain, were reviewed to identify horses presented for head CT with a history of skull fracture involving the facial bones between 2018 and 2022. Thirteen horses were included. Secondary sinusitis was present in 10 of the horses with the rostral maxillary, caudal maxillary and ventral conchal sinuses being the most commonly affected. There was associated fracture of dental structures in three cases. Treatment was conservative in seven cases, while in six horses some minimal surgical intervention was undertaken and included the removal of loose bony fragments and trephination for sinoscopy in two cases, fragment removal and sinus flush through a Foley catheter in three cases and dental extraction in one case. Prognosis was reported to be good to excellent in 10 horses. Among the most common complications, cosmetic sequalae was recorded in three cases. Overall conservative management of skull fracture should be considered a viable option for cases where perfect cosmetic results are not expected and where economics may be a limitation.

15 October 2025

Follow up questionnaire sent out to referring veterinarian to obtain update on cases included in the study.

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Sinusitis - ISSN 2673-351X