9 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
trailing scale that lags ... Commonly mistaken ... for tinea. ... Centrifugum #EAC #clinical ... #photo #dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... nummular eczema, tinea ... Pityriasis #rosea #clinical ... #dermatology #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... covering the foot, hence ... rubrum is most commonly ... skin of inflamed ... #photo #foot #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... polyangiitis • EGPA • Henoch-Schönlein
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
brown tint of the rash ... Characterized by annular ... involvement is less ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... Ankles, lower legs ... corporis-scaly annular ... ; pruritis #dermatology ... #rash #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... 3rd Decade Skin ... • Erythematous annular ... permanent alopecia Differential ... Kidney disease common