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VASCULAR ANATOMY OF THE NOSE and The implication of blood supply of the nose on epistaxis as in Kiesselbach’s Plexus and Woodruff ’s Plexus
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Facial nerve decompression
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This document discusses the surgical management of nasal valve insufficiency. There are multiple techniques used to address internal and external nasal valve collapse, including spreader grafts, butterfly grafts, batten grafts, and lateral crural strut grafts. For the external valve, techniques include lateral crural repositioning and strut graft placement to provide support to the lateral wall. Surgical management aims to improve nasal breathing and patency by strengthening weak nasal wall structures and correcting structural abnormalities.
Superior Semicircular Canal Dehiscence Syndrome
Superior semicircular canal dehiscence syndrome is caused by a thin or missing bone over the superior semicircular canal. This allows abnormal transmission of sound and pressure into the inner ear, causing symptoms like vertigo, dizziness, autophony, and pressure- or sound-induced vertigo. Diagnosis is based on clinical presentation and imaging evidence of a dehiscence. Treatment options include avoiding triggering environmental factors or surgical repair of the dehiscence. It is an uncommon but important cause of vestibular symptoms that requires consideration in patients with dizziness or auditory symptoms.
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1. The nose develops from nasal placodes and prominences that fuse around the nostrils. The nasal cavity has bones, cartilage and membranes that form its roof, floor, walls and turbinates.
2. The nasal cavity functions to warm, humidify, and filter inhaled air for respiration. It also contains olfactory regions for smell. Blood supply comes from the ethmoidal and sphenopalatine arteries.
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4) Methods for managing epistaxis are outlined, ranging from initial resuscitation to direct therapies like cauterization and indirect options like nasal packing and arterial
Anatomy of paranasal sinuses
The document discusses the anatomy of the paranasal sinuses. It describes the four pairs of paranasal sinuses - maxillary, frontal, ethmoid, and sphenoidal sinuses. For each sinus, it details the location, relationships to surrounding structures, neurovascular supply, development, and clinical importance. The maxillary sinus is the largest sinus, located within the maxilla bone. The frontal sinus is the second largest sinus located within the frontal bone. The ethmoid sinus consists of three groups of air cells within the ethmoid bone. The sphenoid sinus develops later and is located within the sphenoid bone below the sella turcica. The paranasal sinuses are important for warming,
Anatomy of the nose and paranasal sinuses made easy
The nose contains the external nose and nasal cavity. The nasal cavity contains paranasal sinuses including the maxillary, ethmoid, sphenoid, and frontal sinuses. The maxillary sinus is located within the maxilla bone and drains into the middle meatus. The ethmoid sinuses are divided by septa with multiple air cells that drain into the front of the nasal cavity. The sphenoid sinus is located in the sphenoid bone and drains into the sphenoethmoidal recess. The frontal sinus develops later and drains into the front of the nasal cavity. Together, the paranasal sinuses help warm, humidify, and cleanse air during breathing.
Atlas anatomy of the nose and paranasal sinuses
This document discusses the anatomy of the nose and paranasal sinuses. It describes the external structures of the nose including the nasal vestibule. Internally, it outlines the nasal cavity including the roof, floor, medial and lateral walls. It then details the respiratory mucosa, blood supply from the external and internal carotid arteries, venous drainage and nerve innervation. Finally, it examines the anatomy of the individual paranasal sinuses - maxillary, ethmoid, frontal and sphenoid sinuses - focusing on their locations and drainage pathways.
Nose.pptx
The nasal cavity is divided by the nasal septum and contains three meatuses. The nasal cavity receives blood supply from various arteries including the sphenopalatine artery. There are four paired paranasal sinuses located around the nasal cavity: the maxillary, frontal, ethmoid, and sphenoidal sinuses. The osteomeatal complex and meatus are involved in sinus drainage. Certain ethmoid air cells like Haller and Onodi cells can affect sinus drainage or structures like the optic nerve.
Nasal septum
The nasal septum divides the nasal cavity into two halves. It is made up of both bony and cartilaginous parts. The bony parts include the perpendicular plate of the ethmoid, vomer, and nasal crests of the frontal, palatine and maxillary bones. The cartilaginous part is the septal cartilage. The nasal septum receives its blood supply from the anterior and posterior ethmoidal arteries and drains into the facial and pterygoid veins. It is innervated by branches of the anterior ethmoidal and pteryopalatine ganglia. A deviated nasal septum can cause nasal obstruction and is often corrected by septoplasty.
Anatomy Nasal Septum and Septoplasty - Pakistan
The nasal septum consists of cartilage, bone, and membranes that divide the nasal cavity into two air passages. Submucous resection and septoplasty are surgical procedures performed to correct a deviated septum and improve nasal breathing by removing or reshaping deformed cartilage and bone. Both procedures involve raising flaps of tissue to access and correct the septum while preserving as much of the supporting framework as possible.
Anatomy of The Nose
This document provides an anatomy of the nose. It describes the external nose including its bony and cartilaginous parts. Internally, it details the nasal cavity including its boundaries, regions, and paranasal sinuses. It also discusses the musculature, blood supply, nerve supply, lymphatic drainage and functions of the paranasal sinuses.
The Nose and nasal cavity, anatomy, and clinical diseases of nasal cavity and...
Nasal cavity is the most superior part of the respiratory system.
Blood supply of nose and Cavernous Sinus.
Epistaxis causes and locations.
Allergic Rhinitis and Non-allergic rhinitis with eosinophilia (NARES).
Ostiomeatal complex (OMC)
Sinusitis.
Nasal polyps.
Headaches types.
Neuralgia.
USMLE RESP 02 nose and paranasal sinuses anatomy medical .pdf
The nose and paranasal sinuses are interconnected structures in the upper respiratory system that play essential roles in the respiratory and olfactory processes.
Disorders of the nose and paranasal sinuses can include sinusitis (inflammation of the sinuses), nasal polyps, deviated septum, and various infections.
Proper care and treatment are essential to maintain respiratory function and overall health.
Anatomy of nose, Paranasal Sinuses
The document provides an overview of the anatomy of the nose. It discusses the external and internal structures of the nose, including the nasal cavity and paranasal sinuses. The external nose has bony and cartilaginous parts that provide structure. Internally, the nasal cavity is divided by the nasal septum and lined by various types of epithelium. The document outlines the blood supply, nerve innervation, lymphatic drainage and musculature of the nose. It provides details on the four paired paranasal sinuses within the facial bones that are connected to the nasal cavity.
EPISTAXIS
This document discusses epistaxis (nosebleeds), including its causes, sites of bleeding, classification, and management approaches. The main points covered are:
- Epistaxis is caused by bleeding from inside the nose, with common causes being local trauma, infections, or general medical conditions like hypertension.
- The most common site of bleeding is an area of the nasal septum called Little's area, where several arteries converge.
- Epistaxis can be anterior (from the nasal cavity) or posterior (from the nasopharynx). Anterior bleeding is more common and usually mild.
- First approaches to manage epistaxis include applying pressure, cauterization of bleeding vessels, or anterior nasal packing
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Anatomy of nose and para nasal sinuses . by DR. MD. KHURSHID PERVEJ. GMC PATIALA
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VASCULAR ANATOMY OF THE NOSE.pdf
- 1. Bilal Sami Al-Mushaigah 381120162 VASCULAR ANATOMY OF THE NOSE
- 2. The blood supply of the nose The implication of blood supply of the nose on epistaxis VASCULAR ANATOMY OF THE NOSE Learning Objectives
- 3. Arterial supply External carotid system Internal carotid system Ophthalmic artery Facial artery Internal maxillary artery Anterior ethmoid artery Posterior ethmoid artery Superior labial artery Sphenoplatine artery Descending palatine artery Lateral nasal artery Posterior septal artery Palatine branches
- 5. Venous drainage A rich submucosal venous plexus, deep to the nasal mucosa, provides venous drainage of the nose Sphenopalatine vein Facial vein Ophthalmic vein Veins in the nose essentially follow the arterial pattern
- 6. Anastomosis Kiesselbach’s Plexus (Little’s Area) This area is in the anterior septum where the capillaries merge. It is often the site of anterior epistaxis. LEGS: Labial (superior), Ethmoidal , Greater palatine, and Sphenopalatine arteries. Almost 90% 1 2 3 4 5
- 7. Woodruff ’s Plexus Anastomosis Woodruff plexus, known as naso-nasopharyngeal plexus, is located at the posterior 1 cm of the nasal floor, inferior meatus, and middle meatus. Initially thought to be an arterial plexus but recent studies suggest it a venous plexus Most common site for posterior epistaxis
- 8. Any Question
- 9. Reference https://read.qxmd.com/read/18289456/woodruff-s-plexus https://onlinelibrary.wiley.com/doi/abs/10.1046/j.1365-2273.1998.0137r.x Bailey, B., Johnson, J., & Rosen, C. (2014). Bailey's head and neck surgery - otolaryngology. Philadelphia: Wolters Kluwer, Lippincott Williams et Wilkins. Scott-Brown, W., Watkinson, J., & Clarke, R. Scott-Brown's otorhinolaryngology head and neck surgerynVolume 3. Moore, K., Agur, A., & Dalley, A. Clinically oriented anatomy. https://next.amboss.com/us/article/e60xPS?q=nose#Ze8b73283ea5a2cd1aac51bdf1ba23 c66