What is the most common birth defect?
- Hemangioma
- Cleft lip
- Hypospadias
- DownÂs syndrome
What percentage of hemangiomas are large and involve vital organs producing life-threatening complications?
- Less than 1%
- Less than 5%
- 5 Â 10%
T or F: In hemangiomas, males are affected twice as often as females.
- True
- False
Malignant transformation of hemangiomas is common or rare?
- Common
- Rare
T or F: Hemangiomas that grow most rapidly have the greatest potential for involution?
- True
- False
What characterizes hemangiomas histologically?
- Endothelial cell proliferation
- Giant cells
- Mesangial type II cells
- Pericytes
Involution of hemangiomas typically begins at what age?
- 6 months
- 1.5 years
- 3 Â 4 years
- Adolescence
What % of hemangiomas will have regressed by the age of 5 years?
- 20%
- 40%
- 60%
- 80%
Which syndrome is NOT associated with cutaneous hemangiomas?
- Osler's disease
- Jaffe's syndrome
- MafucciÂs syndrome
- Cushing's, CobbÂs, and Sturge-Weber syndromes
- Paget von Schrotter syndrome
- von Hippel-Lindau disease
What syndrome involves large hemangiomas trapping platelets, causing thrombocytopenia?
- MafucciÂs syndrome
- Jaffe's syndrome
- Kasabach-Merritt syndrome
Which is NOT a indication for resection of a hemangioma?
- Large hemangiomas with thrombocytopenia
- Uncontrollable ulceration, hemorrhage, or infection
- Cardiopulmonary decompensation from arteriovenous shunting
- Small lesions excised without a cosmetic or functional risk
- All of the above are indications for resection
Which of the six major categories of hemangioma corresponds to nerve branches?
- Neonatal staining
- Intradermal capillary hemangioma
- Juvenile hemangioma
- Arteriovenous fistula
Which is NOT a subgroup of intradermal capillary hemangioma?
- Salmon patch
- Port wine stain
- Spider angioma
- Cavernous hemangioma
Which is the most common of the sub-categories of juvenile hemangiomas?
- Strawberry mark
- Strawberry capillary hemangioma
- Capillary cavernous hemangioma
T or F: Rapid hemangioma growth in the first years of life is indicative of little likelihood of eventual involution?
- True
- False
T or F: The juvenile hemangioma least likely to involute, and which causes most complications, is capillary cavernous hemangioma?
- True
- False
Which is not a category of arterial hemangiomas?
- Arterial hemangiomas
- Cirsoid angioma
- AVM (arteriovenous malformation)
T or F: Arteriovenous fistulas are the most indolent type of hemangioma?
- True
- False
Which is NOT one of the 3 components of the Klippel-Trenaunay syndrome?
- Hemangiomas
- Soft tissue hypertrophy
- Limb length discrepancy
- Varicose veins
Which is NOT one of the treatment modalities for hemangiomas?
- High dose steroid therapy
- Sclerosing solutions with compression
- Cyclophosphamide, aminocaproic acid, alpha interferon, tranexamic acid
- All of the of the above are treatments for hemangioma