Multiple parenchyma Tumors

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• Section 10
• Multiple parenchyma Tumors

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• 1. Teratoma
• (1) Benign cystic teratoma
• Consist mainly of ectodermal structures such
  as skin and its appendages, and also respiration
  components, intestinal epithelium, bone, and
  cartilage.
• (2) Solid teratoma (frequently malignant)
• Commonly found in children
• Embryonic, fetal and adult tissues of all
  types may be mixed together.

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Benign cystic teratoma

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2. Nephroblastoma (Wilms tumor)

• Definition An embryonic type of tumor derived
  from renal rudiments, one of the commonest
  maligner tumor in childhood.
• Gross a large well circumscribed growth which
  rapidly invades blood vessels, giving rise to
  pulmonary secondaries
• Histological Primitive glomerular structures,
  spindle cells resembling sarcoma, with tubules
  and acini

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• 3. Carcinosarcoma
• A tumor containing compositions of both
  carcinomas and sarcomas.