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BackgroundAcute invasive fungal sinusitis (AIFS) is an aggressive disease that requires prompt diagnosis and multidisciplinary treatment given its rapid progression. However, there is currently no consensus on diagnosis, prognosis, and management strategies for AIFS, with multiple modalities routinely employed. The purpose of this multi-institutional and multidisciplinary evidence-based review with recommendations (EBRR) is to thoroughly review the literature on AIFS, summarize the existing evidence, and provide recommendations on the management of AIFS.MethodsThe PubMed, EMBASE, and Cochrane databases were systematically reviewed from inception through January 2022. Studies evaluating management for orbital, non-sinonasal head and neck, and intracranial manifestations of AIFS were included. An iterative review process was utilized in accordance with EBRR guidelines. Levels of evidence and recommendations on management principles for AIFS were generated.ResultsA review and evaluation of published literature was performed on 12 topics surrounding AIFS (signs and symptoms, laboratory and microbiology diagnostics, endoscopy, imaging, pathology, surgery, medical therapy, management of extrasinus extension, reversing immunosuppression, and outcomes and survival). The aggregate quality of evidence was varied across reviewed domains.ConclusionBased on the currently available evidence, judicious utilization of a combination of history and physical examination, laboratory and histopathologic techniques, and endoscopy provide the cornerstone for accurate diagnosis of AIFS. In addition, AIFS is optimally managed by a multidisciplinary team via a combination of surgery (including resection whenever possible), antifungal therapy, and correcting sources of immunosuppression. Higher quality (i.e., prospective) studies are needed to better define the roles of each modality and determine diagnosis and treatment algorithms.

BackgroundEpithelial remodeling is a histopathologic feature of chronic inflammatory airway diseases including chronic rhinosinusitis (CRS). Cell-type shifts and their relationship to CRS endotypes and severity are incompletely described.ObjectiveWe sought to understand the relationship of epithelial cell remodeling to inflammatory endotypes and disease outcomes in CRS.MethodsUsing cell-type transcriptional signatures derived from epithelial single-cell sequencing, we analyzed bulk RNA-sequencing data from sinus epithelial brushings obtained from patients with CRS with and without nasal polyps in comparison to healthy controls.ResultsThe airway epithelium in nasal polyposis displayed increased tuft cell transcripts and decreased ciliated cell transcripts along with an IL-13 activation signature. In contrast, CRS without polyps showed an IL-17 activation signature. IL-13 activation scores were associated with increased tuft cell, goblet cell, and mast cell scores and decreased ciliated cell scores. Furthermore, the IL-13 score was strongly associated with a previously reported activated ("polyp") tuft cell score and a prostaglandin E2 activation signature. The Lund-Mackay score, a computed tomographic metric of sinus opacification, correlated positively with activated tuft cell, mast cell, prostaglandin E2, and IL-13 signatures and negatively with ciliated cell transcriptional signatures.ConclusionsThese results demonstrate that cell-type alterations and prostaglandin E2 stimulation are key components of IL-13-induced epithelial remodeling in nasal polyposis, whereas IL-17 signaling is more prominent in CRS without polyps, and that clinical severity correlates with the degree of IL-13-driven epithelial remodeling.

Objectives: To use portable colorimetry to quantify color differences between facial skin and potential three head and neck microvascular free tissue transfer (MFTT) donor sites—radial forearm (RF), anterolateral thigh (ALT), and fibula (FF)—and compare these differences by pigmentation of the donor site skin and self‐identified race. Methods: In this cross‐sectional cohort study, healthy volunteers consented to handheld colorimeter measurements at the three potential MFTT donor sites (RF, ALT, FF) to quantify color match to the facial skin using the CIE color space (DeltaE). The comparison of ipsilateral to contralateral cheek served as control for measurements. Cross‐sectional measurements in healthy volunteers were then compared to measurements obtained in postoperative head and neck MFTT patients. Results: DeltaE measurements were obtained for 128 healthy controls and 24 postoperative patients (N = 152). With increasing lightness (decreased pigmentation) of the skin at the donor site, the color match significantly worsened (higher DeltaE) across all potential MFTT donor sites (all p < 0.05). DeltaE from healthy controls closely approximated postoperative color match measurements in patients who underwent cervicofacial MFTT (DeltaE RF: 5.3 vs. 6.0, p = 0.432; DeltaE ALT: 6.2 vs. 6.4, p = 0.822; DeltaE FF: 6.0 vs. 6.4, p = 0.806). Conclusion: Patients with decreased skin pigmentation who are undergoing head and neck MFTT may experience worse color discrepancy between cervicofacial skin and the transferred skin paddle than those with more pigmented skin. Portable colorimetry may identify patients who could benefit from interventions such as dermis‐resected free tissue reconstruction with skin grafting to improve postoperative appearance. Level of Evidence: 3 Laryngoscope, 134:3581–3586, 2024 [ABSTRACT FROM AUTHOR]

Objective: Persistent asymptomatic cervical lymphadenopathy (PACL) is a common outpatient referral diagnosis for pediatric otolaryngologists. Historically, excisional biopsy under general anesthesia has been the gold standard for diagnosis but is associated with some risks. Current literature provides little guidance on less invasive monitoring. Our hypothesis is that the majority of children who present with PACL can be safely monitored with ultrasound and avoid the risks of excisional biopsy. Study Design: A retrospective review was performed of patients <18 years of age, referred to a tertiary care children's hospital for PACL who also underwent at least 1 neck ultrasound from 2007 to 2021. Patients with acute neck infections, congenital masses, or known rheumatologic, immunologic, or malignant conditions were excluded. A multivariate logistic regression model was used to determine patient and nodal factors associated with the decision for operative management. Setting: University of California, San Francisco Pediatric Otolaryngology Department. Results: Among the 197 patients meeting inclusion criteria, 30 (15.2%) underwent surgical biopsy. Overall, 26% underwent repeat ultrasound with a mean interval of 6.6 months, and a mean decrease in nodal size of 0.34 cm. Of the 30 surgical cases, 27 (90%) patients had benign pathology. Multivariate regression analysis revealed pain (p =.04), firmness (p <.001), and lack of a normal fatty hilum on ultrasound (p =.04) as statistically significantly correlated with decisions for surgical management. Conclusion: The majority of pediatric PACL is benign and does not require an excisional biopsy to rule out lymphoma. Serial clinical follow‐up with neck ultrasound can be used to safely monitor patients. [ABSTRACT FROM AUTHOR]

KEY POINTS: Patients treated with pembrolizumab experience an increase in paranasal sinus inflammationUse of topical triamcinolone in carboxymethylcellulose is a treatment option for such patients [ABSTRACT FROM AUTHOR]

Background: Head and neck ablative surgery can impose aesthetic disfigurement, particularly when severe color mismatch exists between native and reconstructed facial skin. To date, the accuracy, objectivity, and modifiability of facial skin color matching remains poorly understood. Objective: To measure skin color match outcomes after head and neck reconstruction using handheld colorimetry. Methods: Patients undergoing complex head and neck reconstruction involving facial skin were included. A variety of skin paddle donor sites were studied, including split-thickness skin graft (STSG) placement over myocutaneous or adipofasciocutaneous free flaps after de-epithelization. Skin color match (deltaE) was measured during follow-up using a handheld colorimeter. Results: Forty-seven patients were included, with median age 69. The most common flap type was the anterolateral thigh ( n  = 31, 66%). Twenty patients underwent STSG to the skin paddle. DeltaE measurements among the patients with STSGs demonstrated better color match (lowest deltaE), compared with patients with unaltered skin paddles (3.4 ± 1.0 vs. 6.5 ± 2.5, p  < 0.0001). Conclusion: We found the use of STSGs over de-epithelialized myogenous or adipofasciocutaneous flaps improves color match, as measured by handheld colorimetry.

Background: Temporalis tendon transfer (TTT ) often relies on external incisions in the nasolabial fold, temporal region, or both. Herein, we studied smile outcomes of a TTT technique via a single intraoral incision without external skin incisions. Objective: To measure the difference in static perioral positions before and after intraoral TTT. Methods: Five patients underwent an externally scarless TTT technique via an intraoral approach. Iris measurements were used to estimate pixel-to-millimeter conversion for facial analysis of vertical and horizontal oral commissure excursion vectors using the JAVA-based program Facegram version 1.0 (Massachusetts Eye & Ear Infirmary). Results: After surgery, mean vertical height on the affected side significantly increased from 3.4 mm to a postoperative value of 20.6 mm, p  = 0.016. There was no difference in horizontal smile excursion after surgery (35.7 mm vs. 32.2 mm, p  = 0.37). Smile angle difference between affected and healthy smile (Δα) reduced from 27.0° preoperative to 3.5°, representing a decrease in facial asymmetry ( p  = 0.002). Conclusion: Intraoral, externally scarless TTT is an effective option for dynamic facial reanimation, obviating external incisions in select patients.