PENTAX Medical Blog

Is Flexible Endoscopic Biopsy a Safe Way to Diagnose Laryngopharyngeal Lesions?

Owing to recent advances in transnasal endoscopy, flexible endoscopic biopsy (FEB) has become the diagnostic modality of choice for benign and malignant laryngopharyngeal lesions. The following study aims to examine the safety of this office-based..

The Cepstral Spectral Index of Dysphonia (CSID) as a Classification Tool for Voice Disorders

The following blog post discusses findings presented in an award-winning article by Dr. Shaheen N. Awan, Ph.D., CCC-SLP, winner of the 2016 “Journal of Voice Best Paper Award” in the Speech-Language Pathology/Vocal Pedagogy category, awarded at the..

Does Secondary Furlow Palatoplasty Worsen Palatal Motion?



A widely-accepted technique for primary cleft palate repairs, Furlow palatoplasty is also used for secondary repairs to treat complications such as fistula development or persistent velopharyngeal insufficiency (VPI). However, due to its..

Optimizing Diagnostic Yields of EUS-Guided Liver Biopsy: An Assessment of Tissue Acquisition Techniques and Needle Types


EUS-guided liver biopsy continues to grow in popularity as an alternative to transjugular and percutaneous approaches used to assess disease status in patients with chronic liver disease or cirrhosis. However, the diagnostic accuracy of..

Technologie d'amélioration de l'image: i-SCAN et OEContexte

To download the full report in English, click here.


L'endoscopie en lumière blanche (ELB) conventionnelle est utilisée de routine en endoscopie digestive. Cette technique a cependant une capacité limitée de caractérisation complète des motifs..

PENTAX Medical’s i-SCAN and Optical Enhancement (OE) Technology for the GI Tract

Below is a summary of the Gastroenterology & Endoscopy News Special Report on PENTAX Medical's OE Optical Enhancement Techology and i-SCAN technology. To download the full report, click here.



Conventional white-light endoscopy (WLE) is..

Laryngeal Squamous Cell Carcinoma: Is Adherence to Quality Metrics Associated with Improved Survival?


In 2009, the American Head and Neck Society (AHNS) approved a set of quality measures for the pretreatment, treatment, and posttreatment of patients with laryngeal squamous cell carcinoma (SCC). Per these metrics, pretreatment evaluation..

A New Era in Acute Cholecystitis Treatment: A Case for Endoscopic Gallbladder Drainage


Acute cholecystitis, most frequently caused by gallstones obstructing the bile ducts, is one of the most common GI emergencies. Management guidelines established in 2013 call for early or emergency cholecystectomy as the treatment of choice...

Transnasal Esophagoscopy: Indications and Use as a Predictor of Changes in Clinical Management

Transnasal esophagoscopy (TNE), a technique used to examine the upper aerodigestive tract under topical anesthesia, has grown in popularity over the last decade. Studies have demonstrated the safety, ease of use, and diagnostic accuracy of this technique..

Differential Diagnosis of Small Solid Pancreatic Lesions in Asymptomatic Patients

Pancreatic ductal adenocarcinoma (PDAC), the most common primary malignancy of the pancreas, is diagnosed late in 80-95% of cases. By this time, patients already have locally advanced or metastatic disease, which portends a dismal prognosis. Notably,..