Diseases Of Salivary Glands Important Notes
- Sialolith
- Mostly Occurs In Submandibular Glands Due To
- Highly viscous secretion
- Presence of gland gland-independent position
- Alkaline secretion with a high concentration of calcium and phosphate ions
- Gland duct is torturous
- Sialolith Complications
- Ductal stricture
- Acute sialadenitis
- Ductal dilation
- Sialolith Treatment
- Small stones are removed by manipulation
- Larger stones are removed by transoral sialolithotomy
- Mostly Occurs In Submandibular Glands Due To
- Nerves That Are At Risk During Submandibular Gland Excision Are
- Marginal mandibular branch of facial nerve
- Lingual nerve
- Hypoglossal nerve
- Classification Of Salivary Gland Tumours
- Based On Spread of Tumours
- Histological Classification
- Adenoma
- Pleomorphic
- Myoepithelioma
- Basal cell adenoma
- Warthin’s tumours
- Canalicular adenoma
- Cystadenoma
- Adenoma
- Carcinoma
- Acinic cell carcinoma
- Mucoepidermoid carcinoma
- Adenoid cystic carcinoma
- Adenocarcinoma
- Squamous cell carcinoma
- Nonepithelial tumour
- Malignant lymphomas
- Secondary tumours
- Unclassified
- Tumor like lesions
- Sialoadenesis
- Oncocytosis
- Necrotizing sialometaplasia
- Salivary gland cyst
- Based On Spread of Tumours
- Malignant Transformation Of Pleomorphic Adenoma Occurs When Tumour
- Becomes painful
- Starts growing rapidly
- Feels stony hard
- Gets fixed
- Cervical lymph nodes get enlarged
- Causes restriction of movements of the jaws
- Mucous Retention Cyst And Ranula
- Types Of Ranula
- Simple – ranula situated in the floor of the mouth without cervical prolongation
- Deep/plunging ranula – intra buccal ranula with cervical prolongation
- Complications Of Ranula
- Infection
- Bursting
- Repeated trauma
- Difficult in speech arid eating
- Causes Of Xerostomia
- Chronic anxiety and depression
- Dehydration
- Antimuscarinic and sympathomimetic drugs
- Salivary gland diseases like Sjogren’s syndrome
- Nutritional deficiencies
- Causes Of Sialorrhoea
- Painful oral ulcers
- Dentures
- Parkinson’s disease
- Atropine
Diseases Of Salivary Glands Long Essays
Question 1. Describe clinical features, diagnosis, and management of carcinoma of the parotid gland and classify salivary gland tumors
Answer:
Carcinoma Of Parotid Gland: It consists of 70% of the salivary tumors
Carcinoma Of Parotid Gland Clinical Features:
- It starts growing rapidly
- Skin infiltration occurs
- Facial nerve paralysis
- Exhibits fixation to the masseter muscle
- Red, dilated veins over the surface
- Presence of regional lymphadenopathy
- Tumours become stony hard
Read And Learn More: General Surgery Question and Answers
Carcinoma Of Parotid Gland Investigations:
- Fine needle aspiration cytology
- It is done to confirm the diagnosis and rule out malignancy
- Diagnostic imaging techniques
- Radiograph of the bones- shows bone resorption
- Computrer tomography
- It allows direct, bilateral visualization of the salivary gland tumor and detects overall dimension and tissue invasion
- Demonstrate bony invasion
- Define extra glandular spread and cervical lymph node
- Magnetic resonance imaging
- Provides superior soft tissue delineation such as perineural invasion
Carcinoma of Parotid Gland Treatment:
- Radical Parotidectomy
- Includes removal of both the lobes of the parotid gland, facial nerve, parotid duct, fibres of the masseter, buccinator, pterygoids, and radical block dissection of the neck
- Postoperative Radiotherapy
- Indications
- If the deep lobe is involved
- If the lymph nodes are involved
- High-grade tumors
- If margins are positive
- Indications
Carcinoma Of Parotid Gland Classification:
- Epithelial Tumors:
- Adenomas
- Pleomorphic adenoma
- Cystadenoma
- Basal cell adenoma
- Warthin’s tumour
- Carcinoma
- Adenocarcinoma
- Epidermoid carcinoma
- Nonepithelial Tumours:
- Fibroma
- Lipoma
- Lymphoma
- Malignant Lymphoma
- Secondary Tumours
- Unclassified Tumors
- Tumour Like Lesions
- Sialadenitis
- Oncocytosis
- Necrotizing sialometaplasia
Question 2. What is mixed parotid tumor? Give clinical features and its management
Answer:
Mixed Parotid Tumour: Pleomorphic adenoma is called mixed parotid tumour
Mixed Parotid Tumour: Clinical Features:
- Age: 5th and 6th decade
- Sex: common in females
- Site: common in parotid gland
Mixed Parotid Tumour: Features:
- Slow growing
- Exophytic growth
- Solitary lesion
- Swelling of gland
- Smooth surface of the lesion
- No pain
- Superficial lesions
- Located near the angle of the mandible
- Deeper lesions:
- Over the lateral wall of oropharynx
- Minor gland neoplasms exhibit firm, nodular swelling
- Palatal lesion causes surface ulceration
- In buccal mucosa it is present as small, painless nodular lesion
Mixed Parotid Tumour: Investigation
- Duration of the lesion:
- Longer duration- malignancy
- Nature of onset
- Gradual and painless- malignant
- Sudden and painful- inflammatory
- Rapidity of growth
- Slow-benign
- Rapid- malignant
- Associated symptoms
- Discharge of pus
- Dryness of mouth
- Constitutional symptoms
- FNAC- to rule out malignancy
- CT Scan- for deeper lesions
- FNAC- for lymph nodes involvement
- X-ray of bone- for resorption
Mixed Parotid Tumour: Treatment:
- Surgical excision-parotidectomy
- It is a surgical treatment for salivary gland tumours
Mixed Parotid Tumour: Types:
- Superficial Parotidectomy
- Anesthetized
- Incision over the preauricular crease, curved downward upto tip of mastoid
- Elevation of skin and superficial fascia
- Preserve the facial nerve
- Dissect the gland away from each branch of gland
- Hemostasis
- Placement of drains
- Suturing
- Total Parotidectomy
- Involves removal of entire parotid gland
- Superficial parotidectomy done
- Then remove tumour deep to the facial nerve
Question 3. What are the causes of acute parotitis? Describe its clinical features and management.
Answer:
Acute Parotitis: It is an acute inflammation of the salivary gland
Acute Parotitis Etiology:
- It is caused by Staphylococcus aureus
- Factors causing it are:
- When the salivary flow is reduced
- Partial obstruction of the duct with retention of secretions
Acute Parotitis Clinical Features:
- Pain and swelling of the side involved D There is brawny oedematous swelling over the parotid region
- The temperature is high n Cellulitis occurs on the overlying skin
- Pus may come out through the internal opening of the parotid gland
Acute Parotitis Management:
- Improve the general health of the patient and Maintain oral hygiene
- A soft diet should be prescribed and Antibiotics are started
- Gentle parotid massage is done at regular intervals
- Drainage of pus
Question 4. Describe the pathology, clinical features, and management of submandibular salivary calculus.
Answer:
Submandibular Salivary Calculus Clinical Features:
- Age: middle-aged adults
- Sex: common in males
Submandibular Salivary Calculus Pathology:
- Site: common in the submandibular gland due to the following:
- Due to viscous secretion
- Higher concentration of calcium and phosphate
- Tortuous anatomy of the ducts
- Dependent position of the gland
Submandibular Salivary Calculus Features:
- Recurrent swelling of the gland region
- Recurrent episodes of sialadenitis
- Tense and tender gland
- Aggregates at the mealtime
- Type of pain: pulling or drawing sensation
- Severe, stabbing type
- Enlarged gland
- Location: unilateral
- In chronic cases: the formation of fistulas, sinus tracts, and ulcerations in the area
- Necrosis of the gland acini
- Lobular fibrosis
- Complete loss of secretion of the gland
- So there is an increased risk of infections
Submandibular Salivary Calculus Diagnosis:
- Manual palpation
- Occlusal radiograph in case of the submandibular gland
- Sialography
Submandibular Salivary Calculus Treatment:
- Locate the sialolith radiographically
- Suture behind and below the duct to prevent the spillage of stone
- If sialolith is present posteriorly, incision is given medially
- If sialolith is present anteriorly, an incision is placed medial to plicasublingualis
- Locate the duct
- Locate the stone
- Incise over the stone
- Remove it through the forceps
Question 5. Discuss in detail about salivary gland tumors of clinical features, investigations, pathology, management, and complications of pleomorphic adenoma of parotid gland
Answer:
Pleomorphic Adenoma Clinical Features:
- Age: 5th hand 6th decade
- Sex: common in females
- Site: common in parotid gland
Pleomorphic Adenoma of Parotid Gland Features:
- Slow growing
- Exophytic growth
- Solitary lesion
- Swelling of gland
- Smooth surface of the lesion
- No pain
- Superficial lesions
- Located near the angle of the mandible
- Deeper lesions:
- Over the lateral wall of the oropharynx
- Minor gland neoplasms exhibit firm, nodular swelling
- The palatal lesion causes surface ulceration
- In buccal mucosa, it is present as a small, painless nodular lesion
Pleomorphic Adenoma of Parotid Gland Pathology:
- Pleomorphic adenoma is a benign parotid tumour
- It is derived from a mixture of epithelial and myoepithelial cells
- The tumor has three components
- Epithelial cell component
- Myoepithelial cell component
- Stromal component
- Pleomorphic Adenoma of Parotid Gland Investigation:
- Duration of the lesson:
- Longer duration- malignancy
- Nature of onset
- Gradual and painless- malignant
- Sudden and painful- inflammatory
- Rapidity of growth
- Slow- benign
- Rapid- malignant
- Associated symptoms
- Discharge of pus
- Dryness of mouth
- Constitutional symptoms
- FNAC- to rule out malignancy
- CT Scan- for deeper lesions
- FNAC- for lymph node involvement
- X-ray of bone- for resorption
- Duration of the lesson:
Pleomorphic Adenoma of Parotid Gland Treatment:
- Surgical excision-parotidectomy
- It is a surgical treatment for salivary glands tumors
Pleomorphic Adenoma of Parotid Gland Types:
- Superficial parotidectomy
- Anesthetized
- Incision over the pre auricular crease, curved downward upto tip of mastoid
- Elevation of skin and superficial fascia
- Preserve the facial nerve
- Dissect the gland away from each branch of gland
- Hemostasis
- Placement of drains
- Suturing
- Total parotidectomy
- Involves removal of entire parotid gland
- Superficial parotidectomy done
- Then remove tumour deep to the facial nerve
Pleomorphic Adenoma of Parotid Gland Complication:
- Facial palsy
- Frey’s syndrome
Question 6. Classify salivary glands tumors. Discuss the etiology, clinical features, and management of Warthin’s tumour.
Answer:
Warthin’s Tumour Classification:
1. Based on the spread of tumors
2. Histological classification
- Adenoma
- Pleomorphic
- Myoepithelioma
- Basal cell adenoma
- Warthin’stumours
- Canalicular adenoma
- Cystadenoma
- Carcinoma
- Acinic cell carcinoma
- Mucoepidermoid carcinoma
- Adenoid cystic carcinoma
- Adenocarcinoma
- Squamous cell carcinoma
- Nonepithelial tumour
- Malignant lymphomas
- Secondary tumours
- Unclassified
- Tumor like lesions
- Sialoadenesis
- Oncocytosis
- Necrotizing sialometaplasia
- Salivary gland cyst
Warthin’s Tumor Clinical features
- Age: 50-70 years
- Sex: common in males
- Site: common in parotid gland especially in lower part overlying angle of the mandible
- Characterised by slow enlarging, well-circumscribed soft, painless swelling of gland
- Well-capsulated and movable
- Present over angle of mandible
- Size – 2-4 cm in diameter
- Shape- spherical in shape
- Occurs bilaterally
- Produces compressible and doughy feeling on palpation
- Little movable in all directions
Warthin’s Tumour Etiology:
- Warthin’s Tumor is derived from salivary tissue inclusions present in lymph node
Warthin’s Tumor Management:
Anesthetize the area
/
The incision is given over the pre-auricular area
/
Elevate skin and superficial fascia
/
Isolation of facial nerve
/
Dissection of the superficial portion of the parotid gland from underlying tissues
/
Removal of gland along with tumor inside
/
Hemostasis
/
Placement of drains
/
Suturing
Diseases Of Salivary Glands Short Essays
Question 1. Salivary fistula/ parotid fistula
Answer:
Salivary Fistula
- A parotid fistula may arise from the parotid gland or parotid duct
- Openings
- Internally inside the mouth
- Externally to the exterior
Salivary Fistula Causes:
- Penetrating injuries
- Rupture of parotid abscess
- Inadvertent incision and drainage
- Complications of superficial parotidectomy
Salivary Fistula Clinical Features:
- Opening in the cheek with discharge
- Discharge comes out during meals
Salivary fistula Investigations:
- A sialogram with a watery solution of lipiodol is performed
Salivary Fistula Treatment:
- When the fistula is connected with the main duct- reconstruction of the duct by Newman or Seabrock’s operation is performed
- If reconstruction fails, resection of the auriculotemporal nerve is done
- If the above measures fail, a complete parotidectomy is done
Question 2. Salivary gland or submandibular gland calculi
Answer:
Salivary Gland
Salivary Gland is a pathological condition characterized by the presence of one or more calcified stones within the salivary gland itself or within its duct
Salivary Gland Etiology:
- Stagnation of saliva
- Ductal epithelial inflammation and injury
- Biological factors
Salivary Gland Pathogenesis:
- Formation of the soft nidus of mucin, protein, bacteria and desquamated cells.
- Allows concentric, lamellar crystallization
- Gradually sialolith increases in size
Submandibular Gland Calculi Composition Of Sialolith:
- Calcium phosphate
- Calcium carbonate
- Salts of Mg, Zn, etc
- Glycoproteins
- Mucopolysaccharides
- Cellular debris
Submandibular Gland Calculi Clinical Features:
- Age: middle-aged adults
- Sex: common in males
- Site: common in the submandibular gland due to the following:
- Due to viscous secretion
- Higher concentration of calcium and phosphate
- Tortuous anatomy of the ducts
- Dependent position of the gland
Submandibular Gland Calculi Features:
- Recurrent swelling of the gland region
- Recurrent episodes of sialadenitis
- Tense and tender gland
- Aggregates at mealtime
- Type of pain: pulling or drawing sensation
- Severe, stabbing type
- Enlarged gland
- Location: unilateral
- In chronic cases: formation of fistulas, sinus tracts & ulcerations in the area
- Necrosis of the gland acini
- Lobular fibrosis
- Complete loss of secretion of the gland
- So there is an increased risk of infections
submandibular Gland Calculi Diagnosis:
- Manual palpation
- Occlusal radiograph in case of submandibular gland
- Sialography
Submandibular Gland Calculi Treatment:
- For submandibular gland:
- Locate the sialolith radiographically
- Suture behind and below the duct to prevent the spillage of stone
- If sialolith is present posteriorly, incision is given medially
- If sialolith is present anteriorly, an incision is placed medial to plicasublingualis
- Locate the duct
- Locate the stone
- Incise over the stone
- Remove it through the forceps
For Parotid gland:
- Locate the sialolith
- Semilunar incision given anterior to the opening of the duct
- Reflection of the gland and Locate the stone
- Incise over the stone ” Remove it
Question 3. Surgical anatomy of the parotid gland
Answer:
Surgical Anatomy Of Parotid Gland
- The parotid gland is present on the lateral aspect of the face
- The surgical Anatomy Of the Parotid Gland is divided by the facial nerve into
- Superficial lobe- overlies masseter and mandible
- Deep lobe- present between the mastoid process and the styloid process, ramus of the mandible, and the medial pterygoid muscle
- Parotid duct
- It arises from the superficial lobe
- It is called Stenson’s duct
- It is 2-3 mm in diameter
- It receives tributaries from the superficial, deep, and accessory lobes
- It passes through the buccinator muscle and opens in the mucosa of the cheek opposite the upper 2nd molar tooth
- The parotid gland is covered by a
- True capsule which is a condensation of the fibrous stroma of the gland,
- False capsule
- Parotid fascia
- Parotid swellings are very painful
- They can be infected by the mumps virus
- The spread of infection from the oral cavity can result in a parotid abscess
Question 4. Mucous cyst or mucocele
Answer:
Mucous Cyst Or Mucocele
- Mucous Cyst Or Mucocele is a swelling caused by the accumulation of saliva at the site of a traumatized or obstructed minor salivary gland duct
Mucous Cyst Types:
- Extravasation:
- It is formed as a result of trauma to a minor salivary gland excretory duct
- It is more common
- It does not have an epithelial cyst wall
- Retention:
- Caused by obstruction by calculus of duct
Mucous Cyst Clinical Presentation:
- Site:
- Extravasation: lower lip is more common
- Other sites involve buccal mucosa, tongue, floor of the mouth, and retromolar area
- Retention: palate or floor of the mouth
- Appearance:
- Discrete, painless, smooth-surface swelling
- Size:
- Ranges from a few millimeters to a few centimeters
- Colour:
- Superficial lesions have a blue hue
- Deeper lesions can be more diffuse, covered by normal appearing mucosa without blue color
Mucous Cyst Treatment:
- Surgical excision to prevent recurrence
- Aspiration of fluid does not provide long-term benefit
- Surgical management may cause trauma to adjacent structures and can lead to the development of new lesions
- Intralesional injections of corticosteroids
Question 5. Ranula
Answer:
Ranula
- Special type of mucocele
- Resembles the belly of a frog
Site:
- Floor of the mouth
- Superficial or deep to the mylohyoid muscle
Ranula Cause:
- Trauma to duct
Ranula Features:
- Slow-growing unilateral lesion
- Soft and freely movable
- Superficial lesions:
- Thin-walled bluish lesion
- Deeper lesions:
- Well circumscribed
- Covered by normal mucosa
Ranula Types:
- Simple type
- Plunging ranula
Ranula Treatment:
- Marsupialization
Question 6. Adenolymphoma of parotid gland
(or)
Warthin’s tumour
Answer:
Adenolymphoma Of Parotid Gland
- Adenolymphoma Of the Parotid Gland is located in the inferior pole of the gland, posterior to the angle of the mandible
Adenolymphoma Of Parotid Gland Presentation:
- SEX: common in males
- AGE: 5th and 8th decade of life
- Presents as a well-defined, slow-growing mass in the tail of the parotid
- Painless but can become superinfected n It is smooth with well defined capsule
Adenolymphoma Of Parotid Gland Treatment:
- Easily removed with margin of normal tissue
- Large tumour treated by superficial parotidectomy
Question 7. Xerostomia
Answer:
Xerostomia
- Xerostomia refers to a subjective sensation of a dry mouth, but not always, associated with salivary hypofunction
Xerostomia Etiology:
- Development
- salivary gland aplasia
- Water or metabolic loss
- Impaired fluid intake
- Hemorrhage
- Vomiting or diarrhea
- Latrogenic
- Medications
- Antihistamines
- Decongestants
- Antidepressants
- Antipsychotic
- Radiation therapy
- Systemic diseases
- Diabetes mellitus
- Sjogren’s syndrome
- HIV infections
- Local Factors
- Decreased mastication
- Smoking
- Mouth breathing
Xerostomia Clinical Features:
- Reduction in salivary secretions
- Residual saliva is either foamy or thick
- Mucosa appears dry
- Tongue is fissure
- Difficulty in mastication and swallowing
- Food adheres to the oral membranes
- Increased prevalence of candidiasis
- More prone to dental caries
Xerostomia Treatment:
- Elimination of causative agents
- Avoid medications causing xerostomia
- Use of noncarbonate sugarless fluids, xylitol-containing gums
- Use of pilocarpine to treat xerostomia
Question 8. Submandibular sialadenitis
Answer:
Submandibular Sialadenitis Causes
- Occurs due to
- Sequel to acute inflammation
- Intermittent obstruction by calculus
- Autoimmune disease
- Bilateral Sjogren’s syndrome
Submandibular Sialadenitis Features
- Recurrent attacks of pain and swelling
- Discharge of a small amount of pus
- Dilatation of ductules, atrophic acini
- Replacement of gland by chronically inflamed scar tissue
- Unilateral pain and swelling
- Reduced salivary flow
Submandibular Sialadenitis Treatment
- Antibiotics to control infection
- Removal of calculus
- Dilatation of constricted ducts
- Duct irrigation
- Radiotherapy
- Total conservative parotidectomy
Question 9. Adenoid cystic carcinoma
Answer:
Adenoid Cystic Carcinoma
- Adenoid Cystic Carcinoma is a highly malignant tumour of the salivary gland
Adenoid Cystic Carcinoma Clinical Features
- Slow growing
- Spreads along perineural tissue
- May invade periosteum or medullary bone
- Bony tenderness occurs
- It is hard and fixed
- Produce anaesthesia of skin overlying the tumour
- Spreads through local infiltration, lymphatics, and blood
Adenoid Cystic Carcinoma Pathology
- Contains cords of dark staining cells with cystic spaces containing mucin
- Contains myoepithelial cells and duct epithelium
Adenoid Cystic Carcinoma Treatment
- Radical parotidectomy with block dissection of neck
- Palliative radiotherapy to reduce pain and to arrest the progress of the disease
Diseases Of Salivary Glands Short Answers
Question 1. Ranula
Answer:
Ranula
- Special type of mucocele
- Resembles the belly of a frog
Ranula Site:
- Floor of the mouth
- Superficial or deep to mylohyoid muscle
Ranula Cause:
- Trauma to duct
Ranula Features:
- Slow-growing unilateral lesion
- Soft and freely movable
- Superficial lesions:
- Thin walled bluish lesion
Ranula Deeper lesions:
- Well circumscribed
- Covered by normal mucosa
Question 2. Sialogram
(or)
Sialography
Answer:
Sialogram
Used for investigation of sialolith
Sialogram Procedure:
- Identification of duct
- Exploring of the duct
- Introduction of cannula
- Introduce contrasting media
- Lipid soluble or
- Water soluble agents
- Amount of the agent
- Submandibular gland: 0.5-0.75 ml
- Parotid gland- 0.76-1 ml
- Radiograph is taken
- Occlusal view
- AP view
Sialogram Interpretation:
- Parotid Gland- tree in winter appearance
- Submandibular gland- Bush in winter appearance
- Sjogren’s syndrome- Cherry blossom appearance
- Malignant tumour- Ball holding in hand appearance
Question 3. Acute parotitis
(or)
Parotid abscess
Answer:
Acute Parotitis
- Acute Parotitis is an acute inflammation of the salivary gland
Acute Parotitis Etiology:
- It is caused by Staphylococcus aureus
- Factors causing it are:
- When the salivary flow is reduced
- Partial obstruction of the duct with retention of secretions
Acute Parotitis Clinical Features:
- Pain and swelling of the side involved
- There is brawny oedematous swelling over the parotid region
- The temperature is high
- Cellulitis occurs in the overlying skin
- Pus may come out through the internal opening of the parotid gland
Question 4. Salivary calculus
Answer:
Salivary Calculus
- Salivary Calculus is a pathological condition characterized by the presence of one or more calcified stones within the salivary gland itself or within its duct
Salivary Calculus Etiology:
- Stagnation of saliva
- Ductal epithelial inflammation and injury
- Biological factors
Salivary Calculus Pathogenesis:
- Formation of the soft nidus of mucin, protein, bacteria, and desquamated cells.
- Allows concentric, lamellar crystallization
- Gradually sialolith increases in size
Composition Of Sialolith:
- Calcium phosphate
- Calcium carbonate
- Salts of Mg, Zn, etc
- Glycoproteins
- Mucopolysaccharides
- Cellular debris
Question 5. Mikulicz’s disease
Answer:
Mikulicz’s Disease
- Mikulicz’s Disease is a benign lesion
- Characterize by symmetric lacrimal, parotid, and submandibular gland swelling with associated lymphocytic infiltration
- Mikulicz’s Disease is associated with prominent infiltration of IgG4- positive plasmocytes into the involved gland, so-called IgG4-related plasmacytic endocrinopathy
Etiology:
- It is unknown
- Been speculated that autoimmune, viral, or genetic factors are involved
Mikulicz’s Disease Presentation:
- Affects middle-aged persons
- Unilateral or bilateral salivary gland swelling
- Reduced salivary flow
Mikulicz’s Disease Treatment:
- Methylprednisolone pulse therapy and prednisolone
Question 6. Mixed parotid tumour
(or)
Pleomorphic adenoma
Answer:
Mixed Parotid Tumor Clinical Features:
- Age: 5th and 6th decade
- Sex: common in females
- Site: common in parotid gland
Mixed Parotid Tumour Features:
- Slow growing
- Exophytic growth
- Solitary lesion
- Swelling of gland
- Smooth surface of the lesion
- No pain
- Superficial lesions
- Located near the angle of the mandible
- Deeper lesions:
- Over the lateral wall of the oropharynx
- Minor gland neoplasms exhibit firm, nodular swelling
- Palatal lesion causes surface ulceration
- In buccal mucosa it is present as small, painless nodular lesion
Question 7. Xerostomia
Answer:
Xerostomia
- Xerostomia refers to a subjective sensation of a dry mouth, but not always, associated with salivary hypofunction
Xerostomia Clinical Features:
- Reduction in salivary secretions
- Residual saliva is either foamy or thick
- Mucosa appears dry
- Tongue is fissure
- Difficulty in mastication and swallowing
- Food adheres to the oral membranes
- Increased prevalence of candidiasis
- More prone to dental caries
Xerostomia Treatment:
- Elimination of causative agents
- Avoid medications causing xerostomia
- Use of noncarbonated sugarless fluids, xylitol-containing gums
- Use of pilocarpine to treat xerostomia
Question 8. Sjogren’s syndrome
Answer:
Sjogren’s Syndrome
- Sjogren’s Syndrome is a chronic autoimmune disease
- Characterize by oral and ocular dryness, exocrine dysfunction, and lymphocytic infiltration
Sjogren’s Syndrome Etiology:
- It is unknown
Sjogren’s Syndrome Presentation:
- Decreased salivary function
- Dry mouth
- Difficulty in chewing, swallowing, and speech
- Dry, cracked lips
- Angular cheilitis
- Mucosa is painful and sensitive to species
- Mucosa is pale and dry
- Friable or furrowed
- Minimal salivary pooling
- Tongue is smooth and painful
- Increased dental caries and erosion of enamel
- Susceptible to infection
- Increased risk of developing malignant lymphoma
- Hypergammaglobulinemia
- Autoantibodies
- Elevated sedimentation rate
- Decreased WBC
- Monoclonal gammopathies
- Hypocomplementemia
Question 9. Plunging ranula
Answer:
Plunging Ranula
- When the intrabuccal ranula has a cervical prolongation it is called plunging or deep ranula.
- Plunging Ranula is derived from the cervical sinus
- Plunging Ranula passes beyond the floor of the mouth along the posterior border of the mylohyoid muscle and appears in the submandibular region
Plunging Ranula Complications:
- It bursts due to repeated trauma
- Rarely infected
- Causes difficulty in rating and speech
Plunging Ranula Differential Diagnosis:
- Sublingual dermoid
- Lipoma
- Submandibular lymph node swelling
- Submandibular salivary gland swelling
Plunging Ranula Treatment:
- Complete excision of the ranula
Question 10. Sialadenitis
Answer:
Sialadenitis Causes
- Occurs due to
- Sequel to acute inflammation
- Intermittent obstruction by calculus
- Autoimmune disease
- Bilateral Sjogren’s syndrome
Sialadenitis Features
- Recurrent attacks of pain anti-swelling
- Discharge of a small amount of pus
- Dilatation of ductules, atrophic acini
- Replacement of gland by chronically inflamed scar tissue
- Unilateral pain and swelling
- Reduced salivary flow
Diseases Of Salivary Glands Viva Voce
- The commonest location of the pleomorphic adenoma in the parotid gland is the tail of the gland
- Superficial parotidectomy is the treatment of choice for pleomorphic adenoma
- Adenoid cystic carcinoma is the only tumor that shows a tendency for perineural invasion
- Tumors of the minor salivary glands are encountered most frequently in the palate
- Ranula usually arises from the glands of Blandin and Nuhn situated on the floor of the mouth