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</p> Signup and view all the answers

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

    <p>Chondroma</p> Signup and view all the answers

    What is a locally aggressive benign neoplasm?

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

    What is a key feature of hamartoma?

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

    What is the most common intraoral site for haemangioma?

    <p>Tongue</p> Signup and view all the answers

    What is the characteristic feature of a cavernous haemangioma?

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

    What is the key difference between haemangiomas and vascular malformations?

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

    What is the characteristic feature of a superficial lymphangioma?

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

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

    <p>Macroglossia</p> Signup and view all the answers

    What is a key distinguishing characteristic of an osteoma?

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

    Which feature is associated with Gardner’s syndrome?

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

    How can osteomas presenting as central osteoma be identified?

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

    What is a radiographic feature of an osteoma?

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

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

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

    What histopathological characteristic is typical of an osteoma?

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

    What defines a haemangioma?

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

    Which phase of keratoacanthoma is associated with rapid enlargement?

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

    Keratoacanthoma primarily affects which demographic group?

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

    What is commonly found in the central depression of keratoacanthoma?

    <p>Keratin</p> Signup and view all the answers

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

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

    Which factor is NOT a suspected cause of keratoacanthoma?

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

    Which area is keratoacanthoma least likely to affect?

    <p>Intraorally</p> Signup and view all the answers

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

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

    What type of neoplasms does squamous cell papilloma classify under?

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

    What feature distinguishes keratoacanthoma from squamous cell carcinoma?

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

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