18 hasil untuk "Wasif, Muhammad"
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Dangling centrality highlights critical nodes by evaluating network stability through link removal
This study introduces “Dangling Centrality,” a novel metric for identifying critical nodes in networks by assessing the impact of their link removal on system dynamics. The proposed metric is validated on real-world datasets, including Amazon product networks, a Protein–Protein Interaction (PPI)…
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A novel systematic byte substitution method to design strong bijective substitution box (S-box) using piece-wise-linear chaotic map
Cryptography deals with designing practical mathematical algorithms having the two primitive elements of confusion and diffusion. The security of encrypted data is highly dependent on these two primitive elements and a key. S-box is the nonlinear component present in a symmetric encryption…
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Effect of rake face surface of cutting tool on tool crater wear
Tool wear is complex to predict due to the intricate environment of a machining process. However, there are a confrontational effect of tool wear on the machining process in terms of deprived surface finish, reduced dimensional accuracy and increased power consumption. In this study an attempt is…
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Malignant peripheral nerve sheath tumour of thyroid: a diagnostic dilemma
Malignant peripheral nerve sheath tumours of thyroid are rare entities that can present a diagnostic dilemma. We present the case of a patient who presented with neck mass with a history of multiple neck surgeries and airway compression. The patient’s previous histopathology was mistaken for…
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Solitary Fibrous Tumor of Nasal Cavity: A Case Report
Solitary fibrous tumors (SFTs) belonging to a distinct group of mesenchymal tumors, was originally described by Klemper and Rabin in the pleura in year 1931. However, it can also be extra-pleural in origin. With tongue being the most common site involved in this region, epiglottis, larynx, thyroid…
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Presentation of Arteria Lusoria with Non Recurent Laryngeal Nerve
Non-recurrent laryngeal nerve (NRLN) is an anatomic variation seen in about 0.52–0.7% patients, generally on right side. It exits the vagus nerve having a direct route to the larynx, unlike usual recurrent laryngeal nerve, supplying intrinsic laryngeal muscles except cricothyroid. It is sited over…
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Syndromic Piere Robbin Sequence- A Rare Presentation in Association with Multiple Heart Defects and Type III Stickler Syndrome
Pierre Robin Sequence (PRS), a rare congenital disorder, is a triad of micrognathia, glossoptosis, and tongue based airway obstruction (TBSO). It may occur as isolated anomaly (iPRS) or as a part of a syndrome (sPRS), like that seen in association with Stickler Syndrome. Approximately 20% of…
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Ewing Sarcoma of Larynx: A Rare Case in a 5-Year-Old Boy
Ewing Sarcoma of the head and neck region is an extremely rare entity. Treatment usually involves surgery, chemotherapy and radiotherapy in varying sequences. We present the third case to date of Ewing sarcoma of the larynx in a paediatric population. A 5-year-old boy presented to emergency room…
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Frequency of Thyroid Gland Invasion by Laryngeal Squamous Cell Carcinoma: The Role of Subglottic Extension
Introduction Management of the thyroid gland during laryngectomy has been controversial. The primary tumor may invade the thyroid gland by direct invasion or lymphovascular spread. Hypothyroidism and hypoparathyroidism are potential risks when lobectomy or total thyroidectomy are performed…
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The Efficacy of Bethesda System for Prediction of Thyroid Malignancies- A 9 Year Experience from a Tertiary Center
INTRODUCTION: The best initial investigation for thyroid nodule is fine needle aspiration (FNA). Bethesda System is an international standardized system of reporting thyroid nodules and recommends subsequent management. Every institution should assess the risk of malignancy in each category to…
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Numerical Analysis of a Liquid Nitrogen (LN(2)) Engine for Efficient Energy Conversion
[Image: see text] A liquid fuel that produces no toxic exhaust could help reduce pollution, potentially in urban areas. In this study, a simulation was conducted using the AVL Boost platform, on the use of liquid nitrogen (LN(2)) in a four-stroke engine. This study is focused on engine performance…
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Ethical Dilemmas in the Management of Head and Neck Cancers in the Era of the COVID-19 Pandemic
Coronavirus disease 2019 (COVID-19) has emerged as an unforeseen challenge for head and neck cancer care providers. A similar challenge is also faced by other oncological fields, but the severity of this challenge is highest in otolaryngology because of the need for additional precautionary…
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Unilateral Thyroid Lobectomy as Day Care Procedure: A Cross Sectional Study with Literature Review on the Safety and Cost Effectiveness
Introduction Thyroid nodules are common globally in almost one fifth of the adult population. The gold standard treatment for thyroid nodule is thyroid lobectomy or total thyroidectomy depending upon the diagnosis. Thyroidectomy has a few known complications but, as per the ATA consensus statement…
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Hypoglossal Nerve Paraganglioma Depicting as Glomus Tumor of Neck
INTRODUCTION: Paraganglioma are infrequent neuroendocrine tumors that are most commonly found in the carotid body, ganglia of the vagus, jugular and tympanic nerve. Very rarely they can involve other cranial nerves outside the cranial cavity, we present one such case of hypoglossal nerve…
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A State of the Art in Simultaneous Localization and Mapping (SLAM) for Unmanned Ariel Vehicle (UAV): A Review
For the past decade, the main problem that has attracted researchers’ attention in aerial robotics is the position estimation or Simultaneous Localization and Mapping (SLAM) of Unmanned Aerial Vehicles (UAVs) where the GPS signal is poor or denied. This article reviews the strengths and weaknesses…
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COVID-19: Implications, Reactions and Future Directions
Humanity has faced several foes over the centuries, a formidable one amongst them is the current pandemic of COVID-19. The symptoms of COVID-19 are more or less related to the nose and throat. Therefore, patients more often present to Ear Nose Throat (ENT) clinics with symptoms including cough…
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The Utility of Frozen Sections in the Evaluation of Clear Margins in Oral Squamous Cell Carcinomas: A Cross-Sectional Study From a Tertiary Care Center
Background and objective Head and neck cancers are prevalent in Pakistan. Oral squamous cell carcinomas are primarily treated via surgical removal, and complete surgical resection is the paramount prognostic factor. A resection margin of 5 mm on the final histopathology report has been accepted as…
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Saliency-Based Semantic Weeds Detection and Classification Using UAV Multispectral Imaging
Weeds infestation causes damage to crops and limits the agricultural production. The traditional weeds controlling methods rely on agrochemicals which demand labour-intensive practices. Various methods are proposed for the pursuit of weeds detection using multispectral images. The machine…