Melanoma Characteristics and Risks Quiz

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Questions and Answers

Where do melanomas most commonly arise in men?

  • Lower back (correct)
  • Legs
  • Arms
  • Chest

What is one risk factor for developing melanomas?

  • High melanin production (correct)
  • Female gender
  • Dark skin complexion
  • Sun exposure

At what stage is malignant melanoma totally curable?

  • When it spreads to lymph nodes
  • When it invades the dermis
  • When it reaches the bloodstream
  • If excised before invading the dermis (correct)

Which type of growth indicates vertical growth in melanoma development?

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

What is a key feature of melanoma lesions compared to nevi?

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

How does malignant melanoma spread initially?

<p>Via lymphatics to regional lymph nodes (A)</p> Signup and view all the answers

What is the most deadly primary skin cancer, other than the rare Merkel cell tumor?

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

Which skin cancer has both vertical and horizontal growth phases but the prognosis is mainly related to the vertical growth stage?

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

What is the primary environmental factor strongly associated with the majority of melanoma cases?

<p>UV radiation from sunlight (C)</p> Signup and view all the answers

In which percentage of patients is the risk of melanoma inherited as an autosomal dominant trait?

<p>5-10% (B)</p> Signup and view all the answers

Which site is NOT mentioned as a possible origin of melanoma apart from the skin?

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

What type of DNA damage caused by UV radiation can lead to accumulation of mutations in melanocytes over time?

<p>Imperfect DNA repair (C)</p> Signup and view all the answers

Which type of tumor is characterized by prominent 'cherry red' eosinophilic nucleoli and brown melanin pigment in the cytoplasm?

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

Which condition is considered a PREMALIGNANT epidermal tumor?

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

What is the most common gender affected by soft tissue tumors according to the text?

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

Which syndrome mentioned in the text is associated with familial cases of soft tissue tumors?

<p>Neurofibromatosis 1 (A)</p> Signup and view all the answers

Which type of tumor typically contains HMB-45 positive cells according to the text?

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

Which type of tumor is characterized by varying size nuclei with prominent nucleoli and atypical mitosis?

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

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