Systemic Disease Changes in the Skin

Question 1

A patient with DM

Answer 1

Granuloma annulare

Question 2

PMH: DM

Answer 2

Necrobiosis lipoidica

Question 3

PMH of DM

Answer 3

Diabetic shin spots:
- smalled healed infarcts

Question 4

PMH DM

Answer 4

Prayer sign

Question 5

SH: lots of sun exposure

Answer 5

Porphyria cutanea tarda (PCT) is a rare disorder characterized by painful, blistering skin lesions that develop on sun-exposed skin (photosensitivity).

Question 6

Answer 6

Drug induced photosensitivity /
chronic actinic dermatitis

Question 7

Answer 7

Generalised hyperpigmentation - Addisons disease

Question 8

Answer 8

pre-tibial myxoedema (Graves)

Question 9

Most common cause of this? [1]

Answer 9

Erythema nodosum; most common = sarcoidosis

Question 10

Answer 10

Systemic sclerosis - fingers showing sclerodactyly (skin tightening)

Question 11

Answer 11

Question 12

Answer 12

Dermatomyositis

Question 13

Name this sign of dermatomyositis [1]

Answer 13

Heliotrope sign

Question 14

Answer 14

Loss of collagen in skin

Senile purpura (occurs due to old age); can be accelerated due to steroid treatment

Question 15

Answer 15

Pyoderma gangranosum

Question 16

Recurrent episdoes of migrating thrombophlebitis might indicate which malignancies? [2]

Answer 16

Lung or pancreatic cancer

Question 17

Name this sign [1]

1/2 of a patients have which type of cancer? [1]

Answer 17

Erythema gryatum repens

1/2 have lung cancer