Oral Lesions and Developmental Anomalies II

Question 1

Pink or red with a vascular appearance; located at the base of the tongue, in midline.

Answer 1

Lingual thyroid

Question 2

Cause of infantile hypothyroidism.

Answer 2

Lingual thyroid.

Question 3

The normal thyroid is absent in what percent of lingual thyroid cases, thus causing hypothyroid?

Answer 3

70

Question 4

A thyroid scan labels this molecule with a radioactive tracer.

Answer 4

Iodine

Question 5

What does lingual thyroid mimic?

Answer 5

Hemangioma
Lymphangioma
Lymphoid Hyperplasia

Question 6

Variant of lingual thyroid that occurs in the midline of the neck.

Answer 6

Thyroglossal duct cyst.

Question 7

Tx for thyroglossal duct cyst.

Answer 7

Excision

Question 8

Have proliferative activity

Answer 8

Hemangiomas

Question 9

Involute

Answer 9

Hemangiomas

Question 10

Grow commensurately with the child

Answer 10

Vascular malformations

Question 11

Have a period of rapid growth, then involution.

Answer 11

Infantile hemangioma

Question 12

50% of hemangiomas involute by __ years.

70% by ___ years; 90% by ___ years.

Answer 12

5; 7; 9

Question 13

Fully formed at birth and do not have accelerated postnatal growth.

Answer 13

CONGENITAL hemangiomas

Question 14

Has:
Enlarging hemangioma
DIC
Thrombocytopenia

Answer 14

Kassabach-Merritt Syndrome

Question 15

Tx options for infantile hemangioma.

Answer 15

• Leave alone bc involutes
• Laser
• Propanolol
• Interferon

Question 16

Beta blocker used for infantile hemangioma

Answer 16

Propanolol

Question 17

Present at birth, grow with the child, and do not involute or regress.

Answer 17

Vascular malformations