Malassezia furfur.
Imaginary circle intersecting sites of involvement in scabies.
Epidermal accumulation of edematous fluid in the intracellular space.
Fleshy papules with central umbilication, smooth surfaced, firm, dome-shaped.
Psoriasis involving the folds, recesses, and flexor areas such as axillae and groin.
A condition where traumatized areas tend to develop new lesions.
Blisters, epidermal detachment, target lesions, and dusky purpuric macules with mucosal involvement.
Morbilliform or maculopapular rash.
Erythematous macules and papules, more pruritic at night, located in specific areas like groin and axilla.
Scalp, presenting as dandruff.
Increased thickness of the stratum corneum.
Dark-red to purple skin discoloration, dusky with poorly defined borders, deeper tissue necrotizing involvement, and pain disproportionate to physical findings.
Numerous small eosinophilic and basophilic inclusion bodies.
Abrupt eruption of psoriasis lesions following acute infection such as streptococcal pharyngitis.
Class 1 - Superpotent.
Vesicles on the side and tip of the nose indicative of ophthalmic zoster.
(+) Lepromin skin test.
Hands.
Tinea pedis.
Erythema, papules, and plaques initially, followed by vesicles and blisters in a dermatomal distribution.
Involvement of >30% of body surface area with severe epidermal necrosis.
Pregnancy, as isotretinoin is teratogenic.
An acute, round, tender, circumscribed, perifollicular erythematous lesion that ends in central suppuration.
Erythematous macules and papules, macerated skin areas, satellite lesions, and friable patches on mucosal surfaces.
Violaceous flat-topped papules and plaques with gray lines (Wickham's striae).
Salmon colored macules and papules, collarette of scaling, and a herald patch.
Sulfa drugs, anticonvulsants, nevirapine, allopurinol, lamotrigine, and oxicam NSAIDs.
Tinea pedis.
Erythematous papules and plaques covered with silvery scales.
Painless genital ulcer with papular lesions located on folds of moist skin, usually around genitals and anus, may form soft red mushroom-like masses.
Large tense blisters on flexor surfaces, groin, axillae, and trunk, associated with anti-hemidesmosome antibodies.
Sarcoptes scabiei.
Pityrosporum ovale, a lipophilic yeast of the Malassezia genus.
Symmetrical, generalized, maculopapular eruptions, usually over the face, shoulders, flanks, and palms and soles with scaling.
Secondary bacterial infection.
Two or more confluent furuncles.
Exposure to plants.
A description of varicella lesions starting with macules progressing to vesicles and pustules.
Separation of the epidermis upon manual pressure, found in conditions like SJS, TEN, and pemphigus vulgaris.
Erythematous plaque, heat, swelling, raised indurated border, fever, and systemic symptoms.
Sudden appearance of multiple seborrheic keratoses suggestive of visceral and hematologic malignancy.
Loss of cohesion between epidermal cells.
Short thick fungal hyphae and large numbers of variously sized spores, described as 'spaghetti and meatballs'.
Prickly heat.
Pinpoint bleeding spots from exposure of dermal papillae when scales are scraped off.
Fever blister or cold sore.
Multiple scaly hyper- or hypo-pigmented macules over the chest, back, abdomen, and proximal extremities.
Intense pruritus of the scalp, posterior cervical lymphadenopathy, and excoriations.
Linear transverse folds below the edge of the lower eyelids.
Circular, sharply circumscribed, slightly erythematous dry scaly hypopigmented patches with advancing scaly border and central clearing.
Class 6 - Low Potency.
Macules, papules, plaques, nodules, enlarged and tender nerves, progressive hair loss, and high AFB bacterial counts.
Appearance of rete pegs, Munro microabscesses, and spongiform pustule of Kogoj.
Trichophyton rubrum.
Suprabasal blisters with anti-desmosome antibodies and a lace-like immunofluorescence pattern.
Closed comedones (whiteheads) and open comedones (blackheads).
Staphylococcus aureus.
Hyperkeratosis with retention of nuclei in the stratum corneum.
Infection of the nail plate.
Fluocinonide gel, ointment, cream, and solution 0.05%.
