Layers of the Skin and Benign Neoplasms Quiz
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Questions and Answers

Which gene mutation is the most common in MTS Sweat Gland Tumors?

  • MSH2 (correct)
  • Lynch syndrome
  • CYLD
  • MTS
  • What is the most common type of differentiation in MTS Sweat Gland Tumors?

  • Glandular differentiation
  • Eccrine lesions (correct)
  • Ductal differentiation
  • Apocrine lesions
  • Which type of benign neoplasm is described as sometimes red and scaly?

  • Syringoma
  • Hidroacanthoma simplex
  • Cylindroma
  • Poroma (correct)
  • What is the characteristic pattern of arrangement seen in Cylindroma histology?

    <p>&quot;Jigsaw puzzle&quot; pattern</p> Signup and view all the answers

    Which gene mutation is associated with the hereditary form of cylindroma, known as "turban tumor"?

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

    Which lesion is described as a small dermal collection of epithelial tubules, some with a "tadpole" shape?

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

    What part of the hair follicle unit extends from the epidermal surface to the opening?

    <p>Infundibulum (deep)</p> Signup and view all the answers

    Which syndrome is associated with multiple epidermal cysts, benign osteomas, and intestinal fibromatoses?

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

    What is the microscopic feature of a sebaceous adenoma?

    <p>Vacuolated, bubbly, mature sebocytes</p> Signup and view all the answers

    Which gene mutation is responsible for Muir-Torre syndrome?

    <p>MSH2 mismatch repair gene</p> Signup and view all the answers

    Which tissue is NOT present in the cyst wall of an epidermal cyst?

    <p>Stratified squamous epithelium</p> Signup and view all the answers

    What is the characteristic feature of a central punctum in an epidermal cyst?

    <p>Plugged with keratin debris</p> Signup and view all the answers

    Which benign skin adnexal lesion is associated with Muir–Torre syndrome?

    <p>Sebaceous tumors</p> Signup and view all the answers

    What is the characteristic association of Gardner syndrome with colon cancer?

    <p>Screen for colon cancer when cysts are unusual in number or location</p> Signup and view all the answers

    Which syndrome is a variant of hereditary nonpolyposis colorectal cancer syndrome and is associated with sebaceous adenomas?

    <p>Muir-Torre syndrome</p> Signup and view all the answers

    What does the presence of multiple epidermal cysts indicate in a patient?

    <p>Association with Gardner syndrome</p> Signup and view all the answers

    Which layer of the skin is responsible for providing a waterproof barrier?

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

    What is the most common benign epithelial tumor?

    <p>Seborrheic Keratosis</p> Signup and view all the answers

    What is a characteristic feature of Seborrheic Keratosis?

    <p>Variable color from tan to black</p> Signup and view all the answers

    Which condition is commonly associated with metabolic syndrome?

    <p>Acrochordon (Skin Tag)</p> Signup and view all the answers

    What is the characteristic histological composition of Acrochordon (Skin Tag)?

    <p>Central core of loose collagen with increased blood vessels</p> Signup and view all the answers

    Which layer of the skin is characterized by connective tissue, hair follicles, and sweat glands?

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

    What does the 'Leser-Trelat Sign' refer to?

    <p>&quot;Horn pseudocysts&quot;</p> Signup and view all the answers

    What is the primary characteristic of Dermatosis Papulosa Nigra?

    <p>&quot;Stuck on&quot; appearance on the skin surface</p> Signup and view all the answers

    What is the role of Melanocytes in the skin?

    <p>Produce melanin and determine skin color</p> Signup and view all the answers

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