www.medicinemcq.com

1. Most common
manifestation of
thyroid disease
www.medicinemcq.com
1

2. Enlargement
of
the thyroid
www.medicinemcq.com
2

3. 1.
Is the goiter diffuse or
nodular?
2. Is it nontoxic or toxic?
3. Is it causing any local
compressive or cosmetic
problems?
4. Is it benign or malignant?
www.medicinemcq.com
3

4. Diffuse
goiter
Multinodular goiter
Solitary nodule
www.medicinemcq.com
4

5.  Iodine
deficiency (endemic goiter)
 Simple goiter
 Hashimoto's thyroiditis
 Graves' disease
 Transient thyroiditis
 Drugs

Iodine, amiodarone, lithium
 Suppurative
thyroiditis
 Dyshormonogenesis
 Riedel's thyroiditis
www.medicinemcq.com
5

6.  Colloid
nodule - most common and do
not have an increased risk of
malignancy
 Simple cyst
 Follicular adenoma - Most follicular
adenomas are benign
 Carcinoma
 Lymphoma
 Thyroiditis
www.medicinemcq.com
6

7.  Most
common cause - dietary
iodine deficiency
 Impaired
synthesis of thyroid hormone
 Compensatory rise in the serum TSH
 Hypertrophy and hyperplasia of
thyroid follicular cells
 Euthyroid state
www.medicinemcq.com
7

8. Diffuse
nontoxic (simple)
goiter
 enlarged
follicles filled with
colloid
 also called colloid goiter
www.medicinemcq.com
8

9.  With
time, recurrent episodes of
hyperplasia and involution
 irregular
enlargement of the thyroid
and nodule formation
 thyroid nodule - a lesion in the thyroid
gland due to an abnormal focal growth
of thyroid cells
 All
long-standing simple goiters
convert into multinodular goiters
www.medicinemcq.com
9

10. No
physiologic increase
in thyroid volume
Goiter during
adolescence is pathologic
For rest of the slides visit www.medicinemcq.com > Thyroid
www.medicinemcq.com
10