Malformations

Question 1

Hemartoma?

Answer 1

Childhood neoplasm where a tumor-like lesion usually appears in the deep dermal tissue of the upper torso.
Abnormal overgrowth of tissue native to organ in which it occurs, in a disorganized manner.

Question 2

Defining features of a hemartomas

Answer 2

Mature fibrous tissue
Primitive cells
Fat cells

Question 3

Tumors with tissue or organ components resembling normal derivatives of more than one germ layer

Answer 3

Teratomas

Question 4

Are teratomas benign or malignant?

Answer 4

They can be both

Question 5

Reversible replacement of one differentiated cell type with another mature differentiated cell type due to cell sensitivity

Answer 5

Metaplasia which a common example is squamous metaplasia in smokers

Question 6

Abnormality of development or an epithelial/mesenchymal anomaly of growth and differentiation

Answer 6

Dysplasia

Question 7

What are the two possibilities of dysplasia?

Answer 7

Epithelial (in the cervix or larynx) or mesenchymal (breast)

Question 8

Characteristics of Dysplasia

Answer 8

• inc. nucleus abnormalities
• no normal differentiations
• pre-malignant lesion

Question 9

Anaplasias/ ‘Backward Formations’

Answer 9

Is a condition of cells in which they have poor cellular differentiation

Question 10

Morphological features of Anaplasia

Answer 10

Pleomorphism, Nuclear abnormalities, Prominent nucleoli and Atypical mitosis