Benign and Malignant Tumors · Pathology

What is a 'Hamartoma'?

  1. A malignant tumor of skeletal muscle
  2. A disorganized mass of tissue indigenous to a particular site
  3. An ectopic rest of otherwise normal tissue found in an abnormal location
  4. A benign tumor of glandular epithelium
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Correct answer: A disorganized mass of tissue indigenous to a particular site

A hamartoma is a benign, disorganized collection of mature tissues naturally found in that specific organ (e.g., a lung hamartoma containing cartilage and bronchial epithelium). It is not a true neoplasm but a developmental malformation.

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