Dermatology

Question 1

Erythematous papules, pustules, cysts, nodules, open and aclosed comedones on the face chest and upper back

Answer 1

ACNE VULGARIS

Question 2

Primary lesion of acne

Answer 2

COMEDONES

Question 3

Erythematous pruritic or painful papules with central punctum

Answer 3

INSECT BITES

Question 4

Erythematous macules papules more pruritic at night located at the groin, axillae, webs of finger and toes, elbows and wrists, and other family members have same symptoms

Answer 4

SCABIES

Question 5

Imaginary circle intersecting sites of involvement in scabies

Answer 5

CIRCLE OF HEBRA

Question 6

Slightly elevated tortous lines in the skin with a vesicle or pustule at the end containing the mite

Answer 6

BURROWS

Question 7

Etiologic cause of scabies

Answer 7

SARCOPTES SCABEI

Question 8

Intense pruritus of the scalp, posterior cervical lymphadenopathy, excoriations and erythematous papules at the nape of the neck and retroauricular area with secondary impetigo

Answer 8

PEDICULOSIS CAPITIS

Question 9

Dark-red to purple skin discoloration, dusky with borders not clearly delineated, deeper tissue involvement, pain out of proportion to the physical findings, rapid progression of lesion, may have crepitus

Answer 9

NECROTIZING FASCIITIS

Question 10

Most common portal of entry in the leg for cellulitis

Answer 10

TINEA PEDIS

Question 11

Loss of eyebrows in leprosy

Answer 11

MADAROSIS

Question 12

Erythematous greasy yellow brown scaling on scalp eyebrows, ears and perinasal areas, dandruff, can spread beyond the hairline to the forehead

Answer 12

SEBORRHEIC DERMATITIS

Question 13

Most common location of seborrheic dermatitis

Answer 13

SCALP

Question 14

In infants yellow brown scaling on the scalp or seborrheic dermatitis of the scalp

Answer 14

CRADLE CAP

Question 15

Organism implicated in seborrheic dermatitis

Answer 15

PITYROSPORUM OVALE

Question 16

Pruritic erythematous patches and plaques, scaling, lichenification, on the flexural antecubital popliteal areas in adults and in the face and extensors in infants and children

Answer 16

ATOPIC DERMATITIS

Question 17

Linear transverse fold below edge of the lower eyelids

Answer 17

DENNIE-MORGAN FOLDS

Question 18

Discrete, coin-shaped, erythematous, edematous vesicular and crusted patches on the lower extremities and the extensor surfaces of the arms

Answer 18

NUMMULAR ECZEMA

Question 19

Dematitis sudden in onset, no previous history or exposure, symptoms of pain and burning usually from acidic or alkali substances

Answer 19

IRRITANT CONTACT DERMATITIS

Question 20

Most common site of involvement of irritant contact dermatitis

Answer 20

HANDS

Question 21

Eczematous eruption following exposure to a known or unknown allergen, usually appearing first at the site of contact, associated with plants, nickel and other compounds, can form patterns on the skin

Answer 21

ALLERGIC CONTACT DERMATITIS

Question 22

Most common cause of allergic contact dermatitis

Answer 22

EXPOSURE TO PLANTS

Question 23

Erythematous papule and plaques covered with silvery scales on elbows, knees, scalp, with nail pits and other nail changes

Answer 23

PSORIASIS

Question 24

Pinpoint bleeding spots from exposure of dermal papillae when scales are scraped off in psoriasis

Answer 24

AUSPITZ SIGN

Question 25

Psoriasis involving the folds, recesses, and flexor areas such as axillae, groin, inframammary folds

Answer 25

INVERSE PSORIASIS

Question 26

Abrupt eruption of psoriasis lesions following acute infection such as streptococcal pharyngitis

Answer 26

GUTTATE PSORIASIS

Question 27

Circular sharply circumscribed slightly erythematous dry scaly hypopigmented patches with advancing scaly border and central clearing producing annular outlines

Answer 27

TINEA

Question 28

Most common fungal disease

Answer 28

TINEA PEDIS

Question 29

Causes majority of tinea pedis

Answer 29

TRICHOPHYTON RUBRUM

Question 30

Infection of the nail plate

Answer 30

ONYCHOMYCOSIS

Question 31

Etiologic agent of Tinea versicolor

Answer 31

MALASSEZIA FURFUR

Question 32

Classical microscopic finding in Tinea versicolor of short thick fungal hyphae and large numbers of variously sized spores

Answer 32

SPAGHETTI AND MEATBALLS

Question 33

Salmon colored macules and papules, collarette of scaling, scales tend to fold along the long axis of line of stretch follows skin lines (hanging curtains or “Christmas tree” sign), herald patch

Answer 33

PITYRIASIS ROSEA

Question 34

Symmetrical, generalized, maculopapular eruptions, polymorphous, usually over the face, shoulders, flanks and palms and soles with scaling, with suggestive sexual history, painless genital ulcer

Answer 34

SECONDARY SYPHILIS

Question 35

Papular lesions located on folds of moist skin usually around genitals and anus, may become hypertrophic, forming soft red mushroom-like mass, moist weeping gray surface

Answer 35

CONDYLOMATA LATA

Question 36

Most frequent manifestation of orolabial herpes

Answer 36

FEVER BLISTER OR COLD SORE

Question 37

Most common complication of varicella

Answer 37

SECONDARY BACTERIAL INFECTION

Question 38

Vesicles on the side and tip of nose indicative of ophthalmic zoster

Answer 38

HUTCHINSON’S SIGN

Question 39

Involvement of the facial and auditory nerves by varicella zoster virus

Answer 39

RAMSAY-HUNT SYNDROME

Question 40

Large, tense blisters on flexor surfaces, groin axillae, and trunk, subepidermal blister, anti-hemidesmosome antibodies

Answer 40

BULLOUS PEMPHIGOID

Question 41

Papules, vesicles, and pustules with honey-colored crusts

Answer 41

IMPETIGO CONTAGIOSA

Question 42

Variant of impetigo, inadequat | ely treated leading to punched out ulcerative lesions

Answer 42

ECTHYMA

Question 43

Blisters, epidermal detachment resulting from epidermal necrosis, target lesions, dusky purpuric macules with mucosal involvement,

Answer 43

SJS

Question 44

Blisters, epidermal detachment resulting from epidermal necrosis, target lesions, dusky purpuric macules with mucosal involvement, >30% body surface area involved

Answer 44

TEN

Question 45

Multiple erythematous plaques with target or iris lesion morphology, usually precipitated by recent new drug ingestion, often triggered by mycoplasma pneumonia and HSV

Answer 45

ERYTHEMA MULTIFORME

Question 46

Manual pressure to the skin may elicit separation of the epidermis (found in staphylococcal scalded skin syndrome, SJS, TEN, and pemphigus vulgaris)

Answer 46

NIKOLSKY’S SIGN

Question 47

Most common pattern of drug-induced reaction

Answer 47

MORBILIFORM OR MACULOPAPULAR

Question 48

Young children with individual lesions of smooth surfaced , firm, dome-shaped, pearly, fleshy papules with central umbilication

Answer 48

MOLLUSCUM CONTAGIOSUM

Question 49

Numerous small eosinophilic and basophilic inclusion bodies found in histology of molluscum contagiosum

Answer 49

HENDERSON-PATERSON BODIES

Question 50

Brown-black plaques with adherent greasy scales, stuck on appearance

Answer 50

SEBORRHEIC KERATOSIS

Question 51

Sudden appearance of multiple seborrheic keratosis suggestive of visceral and hematologic malignancy

Answer 51

SIGN OF LESER TRELAT

Question 52

Erythematous macules and papules, macerated skin areas and satellite lesions, white friable patches on mucosal surfaces, immunocompromised states

Answer 52

CANDIDAL INFECTION

Question 53

Increased thickness of the stratum corneum

Answer 53

HYPERKERATOSIS

Question 54

Hyperkeratosis with retention of nuclei in stratum corneum

Answer 54

PARAKERATOSIS

Question 55

Epidermal accumulation of edematous fluid in intracellular space

Answer 55

SPONGIOSIS

Question 56

Process referring to loss of cohesion between epidermal cells

Answer 56

ACANTHOLYSIS

Question 57

Violaceous flat-topped papules and plaques with gray lines (Wickham.s striae)

Answer 57

LICHEN PLANUS

Question 58

Condition in dermatological diseases wherein traumatized areas tend to develop new lesions (found in verruca and psoriasis)

Answer 58

KOEBNER PHENOMENON