Tumors of the Heart

Question 1

What is the most common tumor of the heart?

Answer 1

Metastasis > primary tumor

Question 2

What is the most common site for metastasis?

Answer 2

Pericardium> pericarditis > effusions

Question 3

What is hte most common primary tumor of the heart in adults?

Answer 3

Myxoma

Question 4

Where is a myxoma located? What type of tumor is it?

Answer 4

90% arise from LA
primary mesenchymal tumor that is BENIGN
often sessile or pedunculated

Question 5

How does a myxoma cause syncopal episodes?

Answer 5

A myxoma extends from a shaft and can have a “ball valve” effect and block the MV orifice>
block diastolic filling of the LV (stimulates mitral stenosis)

Question 6

What are complications related to myxoma?

Answer 6

Embolization and syncopal episodes

Question 7

How do you diagnose myxoma?

Answer 7

Transesophageal ultrasound (most useful for viewing the LA)

Question 8

What is the most common primary tumor of the heart in infants and children?

Answer 8

Rhabdomyoma?

Question 9

What is rhabdomyoma primarily associated with?

Answer 9

Tuberous sclerosis