This document provides an overview of the nose and paranasal sinuses. It begins by defining some key anatomical landmarks of the nose, including the nasion, rhinion, dorsum, and columella. It then describes the external nose and nasal cavity in more detail. The four paranasal sinuses - frontal, maxillary, sphenoidal, and ethmoidal - are also summarized. The document concludes with brief descriptions of the pterygopalatine fossa, ganglion, and some clinical considerations.
Referred from different sources , here i present a very concise presentation on CRANIAL CAVITY . This presentation will give you complete knowledge of the topic cranial cavity with well elaborated and intellectual diagrams hand picked from F. Netter. ......... Do like and share , Leave your comments so as to get more stuff like this in future.
Referred from different sources , here i present a very concise presentation on CRANIAL CAVITY . This presentation will give you complete knowledge of the topic cranial cavity with well elaborated and intellectual diagrams hand picked from F. Netter. ......... Do like and share , Leave your comments so as to get more stuff like this in future.
The pharynx is a hollow tube that starts behind the nose, goes down the neck, and ends at the top of the trachea and esophagus. The three parts of the pharynx are the nasopharynx, oropharynx, and hypopharynx.
anatomy of hard palate an soft palate. boundaries of hard and soft palate, blood supply, nerve supply .
osteology of hard palate, muscles of soft palate. origin, insertion of muscles of soft palate, action of muscles of soft palate, pasavants ridge
This presentation deals with description of the normas: verticalis, occipitalis, lateralis, frontalis and basalis. There is another presentation “Skull – inside and some separate bones” to complete the objectives.
Objectives
Identify the features of the major bones forming the cranial cavity according to normas and separate bones.
Describe the major sutures.
Describe the structure of the flat bones forming the skull and their blood supply.
Discuss ossification of the skull and the changes that occur during postnatal development.
Locate important bony surface landmarks.
The pharynx is a hollow tube that starts behind the nose, goes down the neck, and ends at the top of the trachea and esophagus. The three parts of the pharynx are the nasopharynx, oropharynx, and hypopharynx.
anatomy of hard palate an soft palate. boundaries of hard and soft palate, blood supply, nerve supply .
osteology of hard palate, muscles of soft palate. origin, insertion of muscles of soft palate, action of muscles of soft palate, pasavants ridge
This presentation deals with description of the normas: verticalis, occipitalis, lateralis, frontalis and basalis. There is another presentation “Skull – inside and some separate bones” to complete the objectives.
Objectives
Identify the features of the major bones forming the cranial cavity according to normas and separate bones.
Describe the major sutures.
Describe the structure of the flat bones forming the skull and their blood supply.
Discuss ossification of the skull and the changes that occur during postnatal development.
Locate important bony surface landmarks.
Dentist in pune.(BDS. MDS) - Dr. Amit T. Suryawanshi. Nose & Paranasal sinuses.All Good Things
Dentist in pune. (BDS. MDS) - Dr. Amit T. Suryawanshi. Seminar- Nose & Paranasal sinuses.
Email ID- amitsuryawanshi999@gmail.com
Contact -Ph no.-9405622455
Subscribe our channel on youtube - Copy and paste this URL. https://www.youtube.com/channel/UC_gylEXTrjmEbbOTSXjuZ4Q/videos?view_as=public
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Ct anatomy of paranasal sinuses( PNS) pk.pdf pptDr pradeep Kumar
This presentation includes cross sectional anatomy like axial,saggital and coronal images of paranasal sinuses and most important variation of paranasal sinus.This help alot. Must read topic for radiology resident. Thanks
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
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5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
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Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
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Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
1. NOSE AND PARANASAL SINUSES
PRESENTED BY-
SRISHTI (91)
SRISHTI SWARAJ (92)
SRISHTI VERMA (93)
SRISTI PATHAK (94)
SUNIDHI ANAND (95)
Under the guidance of-
Dr. A.K. Srivastava
Head of department
Anatomy
3. ANATOMICAL LANDMARKS OF NOSE
• Nasion: midline point at which nasal bones join frontal bones
• Rhinion: inferior point of midline suture between nasal bones where they meet the
upper lateral cartilages
• Dorsum of nose: ridge formed by the union of lateral surfaces of nose in the midline
• Bridge of nose: anterior surface of nose formed by nasal bones
• Columella: midline nasal soft tissue anterior to septum separating the two nares
• Alae nasi: wings of nose at the inferior ends of the lateral nasal surfaces of nose
4. EXTERNAL NOSE
- Pyramidal projection of face
- Consists of : a) Tip b) Root c)
Dorsum
- Has skeletal framework that is partly
bony and partly cartilaginous
- The bones are – nasal bones, which form
the bridge of the nose and the frontal
process of maxillae
- The cartilages are superior and inferior
nasal cartilages, septal cartilage and
major and minor Alar cartilages
5.
6. NERVE SUPPLY
-Infra-orbital branch of maxillary nerve
- Infratrochlear and external nasal branches of the ophthalmic
ARTERIAL SUPPLY
- lateral nasal branches of facial
- dorsal nasal branches of ophthalmic
- infra-orbital branch of the maxillary
LYMPHATIC DRAINAGE
- submandibular nodes drain the greater part of the skin
- superficial parotid nodes drain the skin of the root of nose
7. NASAL CAVITY
• The nasal cavity extends from the nostrils to posterior nares through which it opens into
naso-pharynx.
• It is divided into two halves by a septum.
• Each half has- a) roof
b) floor
c) medial wall or nasal septum
d) lateral wall
9. ROOF
The roof is about 7cm long and 2mm wide. It
slopes downwards both in front and behind.
-The middle horizontal part is formed by the
cribiform plate of ethmoid.
-The anterior slope is formed by the nasal part
of frontal bone, nasal bone and nasal cartilages
-The posterior slope is formed by the inferior
surface of the body of sphenoid bone.
FLOOR
-The floor is about 5cm long and 1.5cm wide.
- It is formed by palatine process of maxilla
and horizontal plate of palatine bone.
- It is concave from side to side and slightly
higher anteriorly than posteriorly.
10. MEDIAL WALL (NASAL
SEPTUM)
- The nasal septum is median osseocartilaginous
partition between the two halves of nasal cavity
- On each side, it is covered by mucous membrane and
forms the medial wall of both nasal cavities
- The bony part is formed by-
i) vomer
ii) perpendicular plate of ethmoid
- The cartilaginous part is formed by-
i) septal cartilage
ii) septal process of inferior nasal cartilage
11. ARTERIAL SUPPLY
-Anterosuperior part by anterior ethmoidal artey
-Posterosuperior part by sphenopalatine artery
-Anteroinferior part by superior labial branch of facial
artery
-Posteroinferior part by greater palatine branch of 3rd
part of maxillary
NERVE SUPPLY
-general sensory nerves
-internal nasal branch of anterior ethmoidal nerve
-anterior superior alveolar nerve
-nasopalatine branch of pterygopalatine ganglion
12. LATERAL WALL OF NOSE
-It is irregular owing to the presence of three shelf like
bony projections called conchae.
-The conchae increase the surface area of the nose for
effective air conditioning of the inspired air.
-The skeleton of lateral wall is partly bony, partly
cartilaginious
-The bony part is formed by nasal bones, frontal process of
maxilla, lacrimal bone, inferior nasal concha, perpendicular
plate of palatine bone.
13. ARTERIAL SUPPLY
1. The anterior ethmoidal branch of ophthalmic
supplies the anterosuperior part.
2. The sphenopalatine branch of maxillary supplies
the major part of the mucosa covering the
posterosuperior part.
3. The greater palatine branch of maxillary supplies
the posteroinferior part.
4. The alar branch of the facial supplies vestibule.
NERVE SUPPLY
Lateral wall of nose has the following sensory supply
in its four quadrants-
1. The anterior ethmoidal branch from the ophthalmic
division of trigeminal nerve.
2. The posterior-superior lateral nasal branches of the
pterygopalatine ganglion.
3. The posterior-inferior lateral nasal branches of the
greater palatine nerve.
4. Internal nasal branches of the infraorbital nerve.
14. CLINICAL ANATOMY
Little’s area on the septum is a
common site of bleeding from the
nose or epistaxis
Common cold or rhinitis is the
commonest infection of nose
Fracture of cribiform plate of ethmoid
with tearing off of meninges may tear
the olfactory nerve rootlets . In such
cases, CSF may drip from nasal
cavity. It is called CSF rhinnorhea
15. Adenoids or enlarged nasopharyngeal
tonsil in the nasopharynx can be
examined by posterior rhinoscopy.
Adenoids cause mouth breathing,
nasal obstruction and even blockage
of pharyngotympanic tube
Hypertrophy of the mucosa over the
inferior nasal concha is a common
feature of allergic rhinitis which is
characterized by sneezing, nasal
blockage, excessive watery discharge
from nose
16. Bifid nose results from an
incomplete fusion of medial
nasal processes
• The skin of external nose
consists of many sebaceous
glands which may get blocked to
form sebaceous cysts
17. PARANASAL SINUS
air filled spaces present
within some bones
around the nasal
cavities.
open into the nasal
cavity through its
lateral wall
The function is to
make the skull lighter
and add resonance to
the voice
rudimentary
or absent at
birth.
The sinuses are
frontal, maxillary,
sphenoidal and
ethmoidal
18. FRONTAL SINUS
-lies in the frontal bone deep to the superciliary arch
-Opens into the middle meatus of nose at the anterior end of hiatus semilunaris
-Average height, width and anteroposterior depth are each about 2.5cm
-Right and left sinuses are usually unequal in size
-Better developed in males than in female
-Rudimentary or absent at birth
-Arterial supply : supraorbital artery
-venous drainage : into the supra orbital and superior ophthalmic veins in
supraorbital notch
-Lymphatic drainage : to submandibular nodes
-Nerve supply : supraorbital nerve
20. MAXILLARY SINUS
-lies in the body of maxilla
-Largest of all the paranasal sinuses
-Pyramidal in shape with base directed medially towards the lateral wall of nose and apex
directed laterally in the zygomatic process of maxilla
- Average measurements- height: 3.5cm, width: 2.5cm, anteroposterior depth: 3.5cm
- Roof is formed by floor of orbit and is traversed by infraorbital nerve. The floor is
formed by alveolar process of maxilla
- first paranasal sinus to develop
- Arterial supply: facial, infraorbital and greater palatine arteries
- Nerve supply: infraorbital and anterior, middle and posterior superior alveolar nerves
- Venous drainage: into the facial vein and pterygoid plexus of vein
- Lymphatic drainage: into submandibular nodes
22. SPHENOIDAL SINUS
-The right and left sphenoidal sinuses lie within body of sphenoid bone
-The two sinuses are usually unequal in size
-Each sinus opens into the sphenoethmoidal recess of corresponding half of the
nasal cavity
-Each sinus is related superiorly to the optic chiasma and hypophysis cerebri and
laterally to internal carotid artery and cavernous sinus
-Arterial supply: posterior ethmoidal and internal carotid arteries
-Venous drainage: into pterygoid venous plexus and cavernous sinus
-lymphatic drainage: to the retropharyngeal node
-nerve supply: posterior ethmoidal nerve and orbital branches of pterygopalatine
ganglion
24. ETHMOIDAL SINUS
-Ethmoidal sinuses are numerous small intercommunicating spaces which lie
within the labyrinth of ethmoid bone
-These sinuses are divided into anterior, middle and posterior groups
-The anterior ethmoidal sinus is made up of 1-11 air cells which is supplied
by anterior ethmoidal nerve and vessels
-The middle ethmoidal sinus consists of 1-7 air cells which is supplied by
posterior ethmoidal nerve and vessels and orbital branches of pterygopalatine
ganglion
-The posterior ethmoidal sinus consists of 1-7 air cells supplied by posterior
ethmoidal nerve and vessel and orbital branches of pterygopalatine ganglion
26. PTERYGOPALATINE FOSSA
Small pyramidal space situated deeply below
the apex of orbit
BOUNDARIES:
Anterior- superomedial part of posterior
surface of the maxilla
Posterior- root of pterygoid process and
adjoining part of anterior surface of the greater
wing of sphenoid
Medial- upper part of perpendicular plate of
palatine bone
Lateral- the fossa opens into the infratemporal
fossa through the pterygomaxillary fissure
Superior- undersurface of body of sphenoid
Inferior- pyramidal process of palatine bone
27.
28. COMMUNICATIONS
Anteriorly: with the orbit through medial end of the inferior orbital fissure
Posteriorly: with a) middle cranial fossa through foramen rotundum
b) foramen lacerum through pterygoid canal
c) pharynx through palatinovaginal canal
Medially: with nose through sphenopalatine foramen
Laterally: with infratemporal fossa through pterygomaxillary fissure
Inferiorly: with oral cavity through greater and lesser palatine canals
CONTENTS
-Third part of maxillary artery and its branches
-maxillary nerve and its 2 branches i.e zygomatic and posterior superior alveolar
-pterygopalatine ganglion and its branches
29. PTERYGOPALATINE GANGLION
-It is the largest parasympathetic
peripheral ganglion
-It serves as a relay station for
secretomotor fibres to the lacrimal gland
and to the mucous gland of nose,
paranasal sinuses, palate and pharynx
-It lies in the pterygopalatine fossa just
below the maxillary nerve, in front of the
pterygoid canal and lateral to
sphenopalatine foramen
30. BRANCHES
i. Orbital branches- pass through inferior orbital fissure and supply periosteum of
the orbit and orbitalis muscle
ii. Palatine branches- Supplies hard palate and the lateral wall of the nose
iii. Nasal branch- Lateral posterior superior nasal nerves supply posterior part of
conchae. Middle posterior superior nasal nerve supply posterior part of the roof
of nose and nasal septum. Nasopalatine nerve supplies hard palate
iv. Pharyngeal branch- supplies the part of the nasopharynx behind auditory tube
v. Lacrimal branch- supply secretomotor fibres to lacrimal gland
31. CLINICAL ANATOMY
Frontal sinusitis and ethmoiditis can
cause oedema of the lids secondary to
infection of the sinus
The pterygopalatine ganglion, if
irritated or infected causes congestion
of the glands or palate and nose
including the lacrimal gland producing
running nose and lacrimation. This
condition is called ‘Hay fever’
Infection of sphenoidal sinus
spreading upwards may effect the optic
chiasma
32.
33. • A growth in maxillary sinus causes other symptoms due to pressure of
enlarging tumor on adjacent structures.
- By pressing the superior alveolar nerve and infra orbital nerves
leads to severe attacks of toothache.
- It can bulge forwards causing swelling in the face.
- Due to upward growth in orbit , it can push the eye forwards –
proptosis.
-It can also cause swelling of hard palate by pushing downwards