Endocrine system disorders

Question 1

Two types of pituitary gland tumours.

Answer 1

• Non secretory tumours (less hormone released)
• secretory tumours (excess hormone secretion). Hyper-secretion due to; head injury, surgery, radiation, and antoantibodies.

Pituitary adenoma is a benign tumour. Prolactin oma is a common type of benign pituitary tumour.

Question 2

Anterior pituitary gland diseases.

Answer 2

Relates to growth hormones.
Overreactive gland results in gigantism in children and acromegaly in adults.
Underactive gland results in dwarfism.

Question 3

Describe gigantism in children.

Answer 3

• too much growth hormones
• overgrown long bones before epiphyses of bone is closed

Question 4

Describe acromegaly in adults (cause and symptoms).

Answer 4

• too much growth hormones after
  epiphysis is closed
• potential causes; pituitary tumour (95%), ectopic growth hormone secreting tumour (5%)
• symptoms; overgrown and thickening of soft tissue’s causing coarsening of face features, swelling hands and feet (acromegaly), protruding jaw, and large internal organs

Question 5

Describe dwarfism.

Answer 5

• less growth hormones in kids
• occurs after 2-3 years after birth