Genipin cross-linked gelatin hydrogel for encapsulating wharton jelly mesenchymal stem cells and basic fibroblast growth factor delivery in vocal fold regeneration.

Approaches to regenerate vocal fold in glottic insufficiency remains to be a focus for exploration. This is attributed to the applications of cells or biological molecules alone result in fast degradation and inadequate for regeneration. Development of an injectable hydrogel for glottic insufficiency is challenging, as it needs to be non-cytotoxic, elastic yet possess good strength and easy to fabricate.

Negative Pressure Wound Therapy in Pharyngocutaneous Fistula.

Pharyngocutaneous fistula (PCF) is an abnormal connection between the pharynx and skin that can occur after laryngectomy surgery. It can have a significant negative impact on patient recovery, delaying wound healing, requiring prolonged nil-per-oral (NPO) status, and reducing quality of life. Traditionally, the management of PCF has relied on conservative measures or surgical intervention.

The Nasal Endoscopic Features of Postnasal Drip: A Cross Sectional Study.

 Patients with chronic rhinitis suffer from postnasal drip (PND) but this symptom is not well addressed. Nasal endoscopy may aid in identifying PND. Well described endoscopic features of PND are presence of secretions in the posterior nasal cavity, diffuse erythema, and hemorrhagic spots in the nasopharynx, but these have not been formally studied.

The accuracy of an Online Sequential Extreme Learning Machine in detecting voice pathology using the Malaysian Voice Pathology Database.

Background: A multidimensional voice quality assessment is recommended for all patients with dysphonia, which requires a patient visit to the otolaryngology clinic. The aim of this study was to determine the accuracy of an online artificial intelligence classifier, the Online Sequential Extreme Learning Machine (OSELM), in detecting voice pathology. In this study, a Malaysian Voice Pathology Database (MVPD), which is the first Malaysian voice database, was created and tested.

A Rare Cause of Acute Dyspnoea: Reinke Oedema.

Unlabelled: Reinke oedema is a benign condition due to fluid collection within subepithelial space of the true vocal fold. This phenomenon is predisposed by chronic smoking, alcohol consumption and contribution of laryngopharyngeal reflux. Although benign, it may be life threatening when bilateral vocal folds are affected causing airway obstruction.

Determining Cutoff Point in Bahasa Malaysia Version of Voice Handicap Index-10 (mVHI-10).

Objective: Determining the cutoff point on Bahasa Malaysia version of Voice Handicap Index (mVHI-10) questionnaire scores for distinguishing between dysphonic and normal voice samples.

Study Design: A cross-sectional study was conducted in the tertiary hospital, Otorhinolaryngology-Head and Neck clinic.

Methods: The study involved 205 subjects (105 in the dysphonia group; 100 in the normal group) with a complete database of flexible laryngoscopy/stroboscopy, voice recording, acoustic analysis, and mVHI-10 score.

Multicentric Castleman Disease of the Supraglottis: A Surgeons' Dilemma.

Introduction: An abnormal mass in the head and neck involving the supraglottic and cervical region offers a wide range of differential diagnoses. The pathology is either benign or malignant in nature. Castleman disease (CD) is an uncommon lymphoproliferative disorder characterised by hypervascular lymphoid hyperplasia and is classified into unicentric or multicentric disease.

A Diagnostic Conundrum: Tuberculosis or Salmonella Neck Abscess?

Granulomatous neck abscesses are commonly associated with tuberculosis (TB). These chronic inflammatory reactions are rarely seen in (SN) infections. We report two cases of SN granuloma presenting as neck abscesses in poultry farmers.

A Case Report of an Unusual Presentation of Epiglottic Cyst Causing Airway Obstruction in an Adult.

A laryngeal cyst is usually benign. The most common site origin of a cyst in the larynx is the lingual surface of the epiglottis. Epiglottic cysts are rare.

In vitro evaluation of genipin-crosslinked gelatin hydrogels for vocal fold injection.

Glottic insufficiency is one of the voice disorders affecting all demographics. Due to the incomplete closure of the vocal fold, there is a risk of aspiration and ineffective phonation. Current treatments for glottic insufficiency include nerve repair, reinnervation, implantation and injection laryngoplasty.

Supraglottic Foreign Body Missed for One Month in a Child.

Foreign body (FB) aspiration in children can result in serious complications that can lead to even death. We present a case of a one-year-old girl child with a history of choking one month prior while she was feeding. A bolus of rice was removed at a local clinic.

Tissue Engineering as a Promising Treatment for Glottic Insufficiency: A Review on Biomolecules and Cell-Laden Hydrogel.

Glottic insufficiency is widespread in the elderly population and occurs as a result of secondary damage or systemic disease. Tissue engineering is a viable treatment for glottic insufficiency since it aims to restore damaged nerve tissue and revitalize aging muscle. After injection into the biological system, injectable biomaterial delivers cost- and time-effectiveness while acting as a protective shield for cells and biomolecules.

Large Vallecula Epiglottica Lipoma: A Rare but Fatal Cause of Dysphagia.

Lipoma is a benign mesenchymal tumor with 13% occurrence in the head and neck region. Despite being the commonest type of tumor, it only accounts for 0.6% of the upper aerodigestive tract.

Persistent Neopharynx Pseudomonas Infection After a Sealed Anastomotic Leak Post Total Laryngectomy.

Total laryngectomy (TL) is the treatment of choice for advanced glottic cancer. Post-operative complications can be debilitating for patients, family members and healthcare workers. Complications following TL have been reported in many studies, with pharyngocutaneous fistula and wound infection being the most common.

Rare cause of voice muffling: pyogenic vallecular cyst.

A vallecular cyst is a benign laryngeal cyst that rarely causes symptoms in adults. We report a rare case of an infected vallecular cyst in a man who is in his 60s with diabetes mellitus. The patient presented to us with acute onset of voice muffling and respiratory distress.

Subchordal Cyst Containing Non-degraded Hyaluronic Acid: A Rare Complication of Injection Laryngoplasty.

Injection laryngoplasty (IL) with hyaluronic acid (HA) for the treatment of glottic insufficiency has been reported as a safe procedure with low complication rates. The side effects usually present as acute dyspnea, dysphonia, or dysphagia due to local edema, hematoma, or hypersensitivity reactions. These complications commonly resolve with minimal intervention.

Reflux Finding Score Using HD Video Chromoendoscopy: A Diagnostic Adjunct in Suspected Laryngopharyngeal Reflux?

Objective: To explore the use of real-time virtual chromoendoscopy (i-scan) in characterizing the mucosal changes present in subjects with suspected laryngopharyngeal reflux (LPR) and to compare the inter-rater and intra-rater agreement of Reflux Finding Scores (RFS) from both laryngologists and general otolaryngologists (ORL) observing exams using both white light endoscopy (WLE) and i-scan.

Methods: This is a cross-sectional study that included 66 subjects: 46 symptomatic and 20 asymptomatic of suspected LPR based on the reflux symptom index (RSI). Subjects underwent flexible video laryngoscopic evaluation of the larynx utilising both WLE and i-scan during one continuous exam.

Fungal and Bacterial Co-infection of Supraglottis in an Immunocompetent Patient Secondary to Herbal Medicine.

Fungal infections are among the major infections among immunocompromised patients. They are becoming more common with the widespread use of antibiotics, steroid therapy, and the increasing number of immunocompromised patients. However, the incidence of laryngeal fungal and bacterial co-infection has rarely been reported.

Serum interleukin 1β in patients with acquired laryngotracheal stenosis.

Objectives: To determine the serum levels of interleukin-1beta (IL-1β) in patients with acquired laryngotracheal stenosis (ALTS) and healthy volunteers and compare levels between serum and tissue of the stenotic segment.

Materials And Methods: An exploratory cohort study included 20 participants with ALTS and 5 healthy volunteers. ALTS group was categorised into mild and severe according to grade of stenosis and presence of tracheostomy.

Double-Staged Sleeve Resection of Laryngotracheal Tumor of Papillary and Follicular Thyroid Carcinoma.

Advanced thyroid carcinoma involving the upper aerodigestive tract confers a poor prognosis mainly due to airway complications. The management of thyroid carcinoma with infiltration to the aerodigestive tract has been widely discussed with no consensus regarding the best surgical technique. Complete surgical resection is the aim of the surgery.

Primary Laryngeal Tuberculosis Manifesting as Irregular Vocal Fold Lesion.

Laryngeal tuberculosis is rare despite its close anatomical and physiological proximity to the lungs. It constitutes less than 1% of extrapulmonary tuberculosis. The symptoms of laryngeal tuberculosis are non-specific and mimic other laryngeal pathologies.

Challenging Removal of Embedded Fishbone in Tongue: Multimodal Technique, Surgical Approach and Consideration of Migration.

Fishbone ingestion is a common occurrence and patients present with various symptoms, posing challenges to the attending physicians. Here, we present two unique cases of patients with an unexpected rapidly migrating fishbone in the tongue. The first patient was operated transorally because of a foreign body embedded in the genioglossus muscle.

Bilateral Vocal Fold Lobular Capillary Hemangioma Mimicking Glottic Carcinoma in a Chronic Smoker.

Laryngeal hemangioma is a rare benign tumor of the larynx with predilection for a supraglottal subsite. Common presentations include hoarseness, dyspnea, and dysphagia, with a typical appearance of a reddish-purplish mass. A capillary form of the tumor, lobular capillary hemangioma (LCH) is extremely rare in adults and is predominantly unilateral.