21 - 128 - CALCIUM AND OTHER MINERAL DEPOSITION DISORDERS

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Deposition of insoluble calcium salts in cutaneous tissue.

Answer 8

Calcinosis cutis

Question 9

GC, 41/M diagnosed with chronic renal failure complained of firm, extremely painful, reticulated violaceous plaques over the lower extremities. Most likely diagnosis of this case?

a. Tumoral calcinosis
b. Hypervitaminosis D
c. Calciphylaxis
d. Benign nodular calcification

Which is true in relation with your answer to the question above?

a. Life threatening disorder
b. Chronic ingestion of vitamin D
c. Size and number correlate with degree of hyperphosphatemia
d. Deposition of calcific masses around the major joints (hips, shoulders, elbows, knees)

Answer 9

c. Calciphylaxis
a. Life threatening disorder

Question 10

Hypervitaminosis D:

a. 100,000-150,000 u/d
b. 150,000-200,000 u/d
c. 50,000-100,000 u/d
d. 25,000-50,000 u/d

Answer 10

c. 50,000-100,000 u/d

Question 11

Which statement is false in relation with iatrogenic calcification?

a. Complication of IV calcium chloride and calcium gluconate therapy
b. Minor trauma and prolonged contact with calcium salts
c. Skin graft donor sites after application of calcium alginate dressings
d. After liver transplantation
e. All are true

Answer 11

e. All are true

Question 12

G.C, 50/M, recently had his routine serum uric acid test. Which among the following results is considered a risk to develop gout in 5 years?

a. >7mg/dl
b. >8mg/dl
c. >9mg/dl
d. >10mg/dl

Answer 12

a. >7mg/dl

Question 13

Gout: which stage usually manifests erythematous and tender first metatarsophalangeal joint of the lower extremity?

a. Asymptomatic
b. Acute gouty arthritis
c. Intercritical gout
d. Chronic tophaceous gout

Answer 13

B

Question 14

Stage which tophi is seen which is the pathognomonic sign.

a. Asymptomatic
b. Acute gouty arthritis
c. Intercritical gout
d. Chronic tophaceous gout

Answer 14

d. Chronic tophaceous gout

Question 15

Which test/s is/are elevated in acute gouty attacks?

a. Uric acid
b. WBC
c. ESR
d. A and B
e. B and C

Answer 15

e. B and C

Question 16

In patients with chronic tophaceous gout:

a. Uric acid lowering therapy must maintain <6mg/dl or 5mg/dl in patients with tophi or frequent attacks
b. Uric acid lowering therapy must maintain <7mg/dl or 6mg/dl in patients with tophi or frequent attacks
c. Uric acid lowering therapy must maintain <7mg/dl or 5mg/dl in patients with tophi or frequent attacks
d. Uric acid lowering therapy must maintain <6mg/dl or 4mg/dl in patients with tophi or frequent attacks

Answer 16

A