Sunlight reactions

Question 1

Miliaria- Eti

Answer 1

Heat rash- common in hot, moist climates. Manifests in trunk, intertriginous areas. Plugging and rupture of sweat duct.

Question 2

Miliaria- Sx

Answer 2

Burning, itching superficial vesicles, red and thin-walled

Question 3

Miliaria- Tx

Answer 3

Triamcinialone acetonide, 0.1% in Sarna lotion

Question 4

Solar lentigo- Eti

Answer 4

Increasing age, white people, easily sunburned, from excess sun exposure

Question 5

Solar lentigo- Sx

Answer 5

Pigmented skin macule on skin exposed to sunlight. light brown to black

Question 6

Solar lentigo- Tx

Answer 6

Benign- indicates sensitivity to UVR- watch for other types of skin issues

Question 7

Sunburn- Eti

Answer 7

Acute, delayed transient inflammatory response- photo toxic reaction.

Question 8

Sunburn-Sx

Answer 8

Painful erythema, mild edema, sharp demarcation between areas

Question 9

Sunburn- Tx

Answer 9

Prevention! Cool wet dressings, topical glucocorticods, NSAIDs

Question 10

Drug/ Chemical Induced Photosensitivity- Eti

Answer 10

Simultaneous exposure to drugs and light or chemicals

Question 11

Drug/ Chemical Induced Photosensitivity-Sx

Answer 11

Exaggerated sun burn response following systemic exposure to photosensitizing agent and UVR

Question 12

Topical phototoxic dermatitis- sx

Answer 12

erythema, swelling, vesiculation & blistering confined to area of agent.

Question 13

Dermatoheliosis- Eti

Answer 13

Repeated solar injuries over many years- lifeguards & outdoor worker. Skin exposed areas

Question 14

Dermatoheliosis- Sx

Answer 14

Atrophy, hypertrophy, telangiectases, spotty hyperkertosis. Skin appears wrinkly, leathery & prematurely aged.

Question 15

Dermatoheliosis- Tx

Answer 15

prevention of development of skin cancers

Question 16

Phytophotodermatitis- Eti

Answer 16

Spring & Summer in all climates- due exposure to lime, celery & meadow grass

Question 17

Phytophotodermatitis- Sx

Answer 17

Hx of exposure + smarting, sunburn pain & pruritus. Bizarre streaks and artificial patterns

Question 18

Phytophotodermatitis- Tx

Answer 18

Wet dressings in vesicular stage, topical glucocorticoids

Question 19

Polymorphus light eruption- Eti

Answer 19

Acquired, acute eruptions characterized by delayed abnormal reaction to UV- delayed hypersensitivity. 10-21% prevalence- more common in females

Question 20

Polymorphus light eruption- Sx

Answer 20

Erythematous macules, papules,- monomorphous eruption lasting 7-10 days following skin exposure

Question 21

Polymorphus light eruption- Tx

Answer 21

Sunblock, beta carotene, oral predisone to suppress the eruption

Question 22

Porphyria- Eti

Answer 22

Skin manifestation of disease associated with ingestion of estrogen medications and liver diseases from alcoholism & hep C

Question 23

Porphyria- Sx

Answer 23

Painless blistering & fragility on dorsal hands, hypertrichosis & hyper pigmentation on face

Question 24

Porphyria-Dx

Answer 24

elevated uroporphyrins, abnormal liver function tests, Hep C infection, increased liver iron

Question 25

Porphyria- Tx

Answer 25

Phelobotomy without oral iron supplementation, hydroxychloroquine Stop alcohol and triggering medication.