40 Questions
What type of benign neoplasms include squamous cell papilloma?
Epithelial neoplasms
What is a benign neoplasm of neural origin?
Melanotic neuroectodermal tumor of infancy
What is a potential complication of chondroma of the jaw?
Difficulty in distinguishing it from low-grade chondrosarcoma
What is a type of hamartoma?
Lymphangioma
What is an example of a benign mesenchymal neoplasm of the jaw?
Chondroma
What is a locally aggressive benign neoplasm?
Melanotic neuroectodermal tumor of infancy
What is a key feature of hamartoma?
It is a developmental malformation
What is recommended for students to review before this lecture?
Any relevant teaching provided in the first year
What is the typical age of onset for haemangioma of the head and neck?
During early childhood or shortly after birth
What is the characteristic appearance of a strawberry haemangioma?
Flat or slightly elevated with a smooth surface
What is the most common intraoral site for haemangioma?
Tongue
What is the characteristic feature of a cavernous haemangioma?
Large blood spaces with papillary enfolding
What is the key difference between haemangiomas and vascular malformations?
Age of onset
What is the characteristic feature of a superficial lymphangioma?
Pebbly surface with a smooth texture
What is the typical histopathological feature of a lymphangioma?
Endothelial-lined spaces with lymphoid material and occasional blood cells
What is the characteristic effect of a deep diffused lymphangioma on the tongue?
Macroglossia
What is a key distinguishing characteristic of an osteoma?
Involvement of the craniofacial skeleton
Which feature is associated with Gardner’s syndrome?
Multiple fibromas and osteomas
How can osteomas presenting as central osteoma be identified?
By formation in the medullary bone
What is a radiographic feature of an osteoma?
Well circumscribed radio-opaque mass
Which condition increases the risk of colorectal polyps transforming into adenocarcinoma?
Gardner’s syndrome
What histopathological characteristic is typical of an osteoma?
Dense compact or cancellous bone
What condition is characterized by normal tissue presence in a normal site but in an exaggerated manner?
Hamartoma
What defines a haemangioma?
Benign vascular hamartoma affecting the mucosa
Which phase of keratoacanthoma is associated with rapid enlargement?
Growth phase
Keratoacanthoma primarily affects which demographic group?
Elderly males
What is commonly found in the central depression of keratoacanthoma?
Keratin
Which histological feature is NOT present at the base of the keratoacanthoma crater?
Granulomatous inflammation
Which factor is NOT a suspected cause of keratoacanthoma?
Bacterial infection
Which area is keratoacanthoma least likely to affect?
Intraorally
During which phase does keratoacanthoma begin to heal with scar tissue?
Involution phase
What type of neoplasms does squamous cell papilloma classify under?
Benign epithelial neoplasms
What feature distinguishes keratoacanthoma from squamous cell carcinoma?
Complete terminal differentiation indicated by involucrin
Which benign neoplasm of mesenchymal origin shows a predilection to the oral cavity and is characterized by the presence of plump granular cells?
Granular cell tumor
Which neoplasm is incorrectly classified as a true neoplasm due to its reactive nature according to the WHO 5th edition?
Fibroma
Which of the following describes the clinical picture of a lipoma?
Slowly growing, asymptomatic, soft swelling with a sometimes yellowish smooth surface
Which histopathological feature is seen in granular cell tumors?
Nests or sheets of large polyhedral cells with eosinophilic granules in the cytoplasm
What is a defining feature of a lipoma in histopathology?
Capsulated lesion formed of mature fat cells with signet ring appearance
Which benign neoplasm affects both males and females most commonly in middle age and has a predilection for the tongue?
Granular cell tumor
What is a distinctive characteristic of a lipoma observed during a clinical examination?
Slow-growing, asymptomatic, and may have a yellowish smooth surface
Learn about the clinical features and histopathological characteristics of haemangioma, a common lesion in the head and neck that occurs in early childhood. Understand its appearance, types, and intraoral sites.
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