Cardiac and Vascular tumors Flashcards Preview

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Flashcards in Cardiac and Vascular tumors Deck (20):
1

What is the most common primary cardiac tumor in adults?

Myxoma

2

What is myxoma?

Benign mesenchymal tumor with a gelatinous appearance and abundant ground substance on histology

3

What is physical changes usually arise from myxoma?

  • Pedunculated mass in the left atrium
  • Causes syncope due to obstruction of hte mitral valve

4

What is the most common primary cardiac tumor in children?

Rhabdyoma 

5

What is rhabdyoma?

Benign hamartoma of cadiac muscle

6

What condition is rhabdyoma associated with?

Tuberous sclerosis

7

Where do rhabdyomas usually arise?

ventricle

8

What is hte most common kind of tumor in the heart?

Metastatic tumors

9

What kind of cancers usually metastatize to the heart?

  • Breast carcinoma
  • Lung carcinoma
  • Melanoma
  • Lymphoma

10

Metastatic tumors usually involve which part of the heart?

Pericardium resulting in pericardial effuction

11

What is hemangioma?

Benign tumor comprised of bloo vessels

12

When does hemangioma usually arise?

Present at birth and usually regresses during childhood

13

Hemangioma usually involve which organs?

  • Skin
  • Liver

14

What is angiosarcoma?

Highly agressive malignant proliferation of endothelial cells

15

What are the common sites of angiosarcoma?

  • Skin
  • Breast
  • Liver

16

What carcinogens are associated with angiosarcoma?

  • PVC
  • Arsenic
  • Thorotrast

17

What is Kaposi's sarcoma?

Low grade malignant proliferation of endothelial cells

18

What pathogen is associated with Kaposi's sarcoma?

HHV-8 

19

What are the clinical features of Kaposi's sarcoma?

  • Purple patches, plaques and nodules on the skin
  • May also involved visceral organs

20

What populations are often seen with Kaposi's sarcoma?

  • Older European males
    • tumor remains localized to skin
    • Tx involves surgical removal
  • AIDS
    • tumor spread early
    • Tx = antiretroviral drugs
  • Transplant recipients
    • tumor spreads early
    • Tx involves decreasing immunosuppression