Haemangioma Clinical Picture and Histopathology
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Questions and Answers

What type of benign neoplasms include squamous cell papilloma?

  • Hamartomas
  • Mesenchymal neoplasms
  • Epithelial neoplasms (correct)
  • Neural neoplasms

What is a benign neoplasm of neural origin?

  • Melanotic neuroectodermal tumor of infancy (correct)
  • Myxoma
  • Lipoma
  • Osteoma

What is a potential complication of chondroma of the jaw?

  • Malignant transformation
  • Infection
  • Difficulty in distinguishing it from low-grade chondrosarcoma (correct)
  • Metastasis

What is a type of hamartoma?

<p>Lymphangioma (A)</p> Signup and view all the answers

What is an example of a benign mesenchymal neoplasm of the jaw?

<p>Chondroma (D)</p> Signup and view all the answers

What is a locally aggressive benign neoplasm?

<p>Melanotic neuroectodermal tumor of infancy (A)</p> Signup and view all the answers

What is a key feature of hamartoma?

<p>It is a developmental malformation (D)</p> Signup and view all the answers

What is recommended for students to review before this lecture?

<p>Any relevant teaching provided in the first year (C)</p> Signup and view all the answers

What is the typical age of onset for haemangioma of the head and neck?

<p>During early childhood or shortly after birth (A)</p> Signup and view all the answers

What is the characteristic appearance of a strawberry haemangioma?

<p>Flat or slightly elevated with a smooth surface (C)</p> Signup and view all the answers

What is the most common intraoral site for haemangioma?

<p>Tongue (A)</p> Signup and view all the answers

What is the characteristic feature of a cavernous haemangioma?

<p>Large blood spaces with papillary enfolding (D)</p> Signup and view all the answers

What is the key difference between haemangiomas and vascular malformations?

<p>Age of onset (A)</p> Signup and view all the answers

What is the characteristic feature of a superficial lymphangioma?

<p>Pebbly surface with a smooth texture (D)</p> Signup and view all the answers

What is the typical histopathological feature of a lymphangioma?

<p>Endothelial-lined spaces with lymphoid material and occasional blood cells (A)</p> Signup and view all the answers

What is the characteristic effect of a deep diffused lymphangioma on the tongue?

<p>Macroglossia (A)</p> Signup and view all the answers

What is a key distinguishing characteristic of an osteoma?

<p>Involvement of the craniofacial skeleton (B)</p> Signup and view all the answers

Which feature is associated with Gardner’s syndrome?

<p>Multiple fibromas and osteomas (A)</p> Signup and view all the answers

How can osteomas presenting as central osteoma be identified?

<p>By formation in the medullary bone (A)</p> Signup and view all the answers

What is a radiographic feature of an osteoma?

<p>Well circumscribed radio-opaque mass (D)</p> Signup and view all the answers

Which condition increases the risk of colorectal polyps transforming into adenocarcinoma?

<p>Gardner’s syndrome (B)</p> Signup and view all the answers

What histopathological characteristic is typical of an osteoma?

<p>Dense compact or cancellous bone (B)</p> Signup and view all the answers

What condition is characterized by normal tissue presence in a normal site but in an exaggerated manner?

<p>Hamartoma (C)</p> Signup and view all the answers

What defines a haemangioma?

<p>Benign vascular hamartoma affecting the mucosa (C)</p> Signup and view all the answers

Which phase of keratoacanthoma is associated with rapid enlargement?

<p>Growth phase (B)</p> Signup and view all the answers

Keratoacanthoma primarily affects which demographic group?

<p>Elderly males (C)</p> Signup and view all the answers

What is commonly found in the central depression of keratoacanthoma?

<p>Keratin (A)</p> Signup and view all the answers

Which histological feature is NOT present at the base of the keratoacanthoma crater?

<p>Granulomatous inflammation (A)</p> Signup and view all the answers

Which factor is NOT a suspected cause of keratoacanthoma?

<p>Bacterial infection (A)</p> Signup and view all the answers

Which area is keratoacanthoma least likely to affect?

<p>Intraorally (B)</p> Signup and view all the answers

During which phase does keratoacanthoma begin to heal with scar tissue?

<p>Involution phase (D)</p> Signup and view all the answers

What type of neoplasms does squamous cell papilloma classify under?

<p>Benign epithelial neoplasms (B)</p> Signup and view all the answers

What feature distinguishes keratoacanthoma from squamous cell carcinoma?

<p>Complete terminal differentiation indicated by involucrin (C)</p> Signup and view all the answers

Which benign neoplasm of mesenchymal origin shows a predilection to the oral cavity and is characterized by the presence of plump granular cells?

<p>Granular cell tumor (B)</p> Signup and view all the answers

Which neoplasm is incorrectly classified as a true neoplasm due to its reactive nature according to the WHO 5th edition?

<p>Fibroma (B)</p> Signup and view all the answers

Which of the following describes the clinical picture of a lipoma?

<p>Slowly growing, asymptomatic, soft swelling with a sometimes yellowish smooth surface (B)</p> Signup and view all the answers

Which histopathological feature is seen in granular cell tumors?

<p>Nests or sheets of large polyhedral cells with eosinophilic granules in the cytoplasm (A)</p> Signup and view all the answers

What is a defining feature of a lipoma in histopathology?

<p>Capsulated lesion formed of mature fat cells with signet ring appearance (B)</p> Signup and view all the answers

Which benign neoplasm affects both males and females most commonly in middle age and has a predilection for the tongue?

<p>Granular cell tumor (B)</p> Signup and view all the answers

What is a distinctive characteristic of a lipoma observed during a clinical examination?

<p>Slow-growing, asymptomatic, and may have a yellowish smooth surface (C)</p> Signup and view all the answers

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