16 - 68 yo M with skin lesion

Question 1

definition: primary skin lesions

Answer 1

uncomplicated lesions that represent initial pathologic change, uninfluenced by secondary alterations such as infection, trauma, or therapy

Question 2

definition: secondary skin lesions

Answer 2

changes that occur as consequences of progression of the disease, scratching, or infection of primary lesions

Question 3

a patch is a macule greater than ____ in diameter

Answer 3

1 cm

Question 4

a papule is less than ___ in diameter

Answer 4

1 cm

Question 5

regarding diameter in the ABCDE mnemonic, what size is considered suspicious?

Answer 5

6 mm or greater

Question 6

psoriasis commonly affects _________ surfaces and eczema commonly affects _________ surfaces

Answer 6

• psoriasis: extensor

- eczema: flexor

Question 7

2-10 mm flat topped papules with an irregular, angulated border (polygonal papules) that are commonly located on flexor surface of wrists and on the legs immediately above the ankles

Answer 7

lichen planus

Question 8

what is the cutoff for urinary flow rate in suspected BPH?

Answer 8

15 mL/sec

Question 9

what type of topical medication is appropriate for oozing lesions? why?

Answer 9

• lotion

- contains alcohol (drying effect)

Question 10

what is the first line oral antifungal treatment approved for tinea capitis?

Answer 10

griseofulvin

Question 11

what are the medication options for tinea unguium?

Answer 11

• terbinafine

- itraconazole BID

Question 12

what is the diagnostic method of choice if there is a strong suspicion of malignant melanoma?

Answer 12

excisional biopsy (2-3 mm margins)

Question 13

what are the alpha adrenergic antagonists used for BPH?

Answer 13

• tamsulosin
• alfuzosin
• terazosin
• doxazosin

Question 14

when are 5a-reductase inhibitors more effective in men with BPH?

Answer 14

men with larger prostates

Question 15

what are the 5a-reductase inhibitors?

Answer 15

• finasteride

- dutasteride