14 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... #dermatology #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Tip: To differentiate ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology ... #HSP
Tinea Imbricata - An 18-year-old Fijian woman presented with a 3-year history of a concentric, scaly
- An 18-year-old ... trunk, arms, and legs ... body-surface area #Clinical ... #Derm #Tinea #Imbricata ... #Concentricum #NEJM
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... : - Catch-all term ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... skin of inflamed ... Variety #type #clinical ... #photo #foot #dermatology
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Somalia, had similar skin ... ringworm, was diagnosed ... #clinical #photo ... #NEJM #tinea #capitis ... #ringworm #derm
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Schonlein Purpura (HSP ... Vasculitis) 55 year old ... IgA #Vasculitis #clinical ... #photo #dermatology ... #skin #rash #physicalexam
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Lives in an old ... Diagnosis? ... heaped up borders); differential ... Blastomycosis #SkinRash #dermatology ... #clinical #photo
Lymphocutaneous Sporotrichiosis Infection

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

Group of chronic, benign, cutaneous eruptions characterized by the presence of
brown tint of the rash ... involvement is less ... eczematous features • Mild ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology