Ch. 505.1 - Hemangiomas Flashcards Preview

Nelson - Exam 5 (Cardio/Hema/Onco) > Ch. 505.1 - Hemangiomas > Flashcards

Flashcards in Ch. 505.1 - Hemangiomas Deck (19)
Loading flashcards...
1

MC benign tumors of infancy

Hemangiomas

2

Hemangiomas: Girls vs Boys

Girls

3

The risk of hemangioma is doubled in ___ and 10 times higher in offspring of women who had ___

Premature infants; chorionic villus sampling

4

Hemangiomas grow rapidly during ___ with slowing of growth in the next ___ and involution by ___

1 yr, 5yra, 10-15yrs

5

More than 50% of all hemangiomas are located in the

Head and neck region

6

Most hemangiomas are multiple vs single

Single

7

T/F The presence of more than 1 cutaneous lesion (hemangioma) increases the likelihood of visceral hemangioma

T

8

Hemangioma: Primary site of visceral involvement

Liver

9

T/F Most hemangiomas require no therapy

T

10

Approx ___% of hemangiomas cause impairment and ___% are life threatening because of their location

10, 1

11

___ is a syndrome characterized by a rapidly enlarging hemangioma, thrombocytopenia, microangiopathic hemolytic anemia, and coagulopathy

Kasabach-Merritt syndrome

12

T/F Kasabach-Meritt syndrome is associated with infantile hemangiomas

F

13

T/F The presence of a midline hemangioma in the lumbosacral area indicates the need for an MRI to search for underlying asymptomatic neurologic abnormalities

T

14

An ultrasonographic scan or MRI of the ___ should be performed if multiple cutaneous lesions are present.

Liver

15

MC tumor of infancy

Infantile hemangiomas

16

Risk factors for infantile hemangioma

1) LBW 2) Female 3) Prematurity 4) White race

17

Immunohistochemical marker specifically expressed in infantile hemangiomas which helps distinguish it histologically from other vascular anomalies

GLUT-1

18

Presenting signs of a developing hemangioma

1) Erythematous/blue/pale area 2) Ulceration of the perineum or lip

19

Favored sites of hemangioma

Face, scalp, back, anterior chest