Tumour Pathlogy 1

Question 1

What characteristics differentiate benign from malignant tumour?

Answer 1

• Growth pattern
• Appearance
• Presence of capsule
• Differentiation
• Function
• Presence of metastases
• Invasion

Question 2

What are characteristics of tumours?

Answer 2

• Irreversible change
• Mass of cells that uncontrollably divide
• not coordinated with the cell division of the surrounding healthy cells
• When stimulus is removed they continue dividing
• Separated into benign and malignant tumours

Question 3

What type of tissue are glands and squamous made of and what are the tumours called?

Answer 3

Epithelial cells
Squamous benign tumour- Squamous Papilloma
Squamous malignant tumour- Squamous Carcinoma
Glandular benign - Adenoma
Glandular malignant- Adeno-carcinoma

Question 4

Different types of connective tissue and their associated tumours.

Answer 4

Fat: benign- lipoma and malignant- lipo-sarcoma
Bone: benign-osteoma and malignant-osteosarcoma
Fibrous: Benign- fibroma and malignant- fibrosarcoma

Question 5

What are tumours in germ cells called?

Answer 5

Teratomas

Question 6

What is the difference between teratomas in ovaries and teratomas in testes?

Answer 6

Ovary teratomas- Mainly benign

Testes teratomas- Mainly malignant

Question 7

What is the tumour in melanocytes called?

Answer 7

Benign- Naevus

Malignant- Melanoma

Question 8

What are tumours of Lymphocytes called?

Answer 8

Lymphoma- Malignant

Question 9

What are the tumours in blood cells called?

Answer 9

Leukaemia - Malignant

Question 10

What are the two types of nervous tissue tumours and where are they found?

Answer 10

CNS - Astrocytoma

PNS - Schwannoma