14 results
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Tip: To differentiate ... #Rash #clinical ... #photo #dermatology ... #HSP
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Purpura seen in Henoch ... Schonlein Purpura (HSP ... palpable rash. ... IgA #Vasculitis #clinical ... #photo #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Pinpoint areas (less ... infection - RMSF - Henoch ... for hepatitis B and ... Algorithm #Causes #dermatology
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
rash of arm present ... systemic signs, labs normal ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... polyangiitis • EGPA • Henoch-Schönlein ... #rash #diagnosis
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 ... fail requiring oral ... Variety #type #clinical ... #photo #foot #dermatology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... think about three clinical ... Neurogenic Ptosis - Neurologic ... effect of some abnormal ... #Differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... & enzymes normal ... , mucositis • Rash ... often present) Henoch ... purpura (lower legs
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... Maculopapular rash ... • Common clinical ... • Uveitis • Rash ... #diagnosis #neurology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
form of acquired dermal ... macular hyperpigmentation ... include: infections (HSV ... comparison #table #differential ... #diagnosis #dermatology